/* =========================================
   HUOTIAN 鈥?Premium B2B Aerosol Manufacturer
   v2.0 鈥?Professional Industrial Design
   Backward-compatible with all pages
   ========================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* ----- Variables ----- */
:root {
  --primary: #0f2b45;
  --primary-dark: #091d2f;
  --primary-light: #1a4a73;
  --secondary: #3a7bbd;
  --secondary-light: #6a9fd6;
  --accent: #e85d26;
  --accent-light: #f07a4a;
  --accent-glow: rgba(232,93,38,0.15);
  --white: #ffffff;
  --gray-50: #f7f9fc;
  --gray-100: #edf1f7;
  --gray-200: #dde3ed;
  --gray-300: #c2cddb;
  --gray-500: #7a8ba0;
  --gray-700: #3d4d61;
  --gray-900: #1a2635;
  --text: #1a2635;
  --text-light: #5a6b7d;
  --border: #e2e8f0;
  --font: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
  --shadow-xl: 0 16px 48px rgba(0,0,0,0.14);
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --ease: cubic-bezier(0.25,0.46,0.45,0.94);
  --transition: all 0.3s var(--ease);
}

/* ----- Reset & Base (same as before) ----- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--secondary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-light); }
ul { list-style: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ----- Typography (same as before) ----- */
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.2; color: var(--primary); }
h1 { font-size: 2.2rem; margin-bottom: 0.8rem; letter-spacing: -0.02em; }
h2 { font-size: 1.75rem; margin-bottom: 0.6rem; letter-spacing: -0.01em; }
h3 { font-size: 1.2rem; margin-bottom: 0.5rem; }
p { margin-bottom: 0.8rem; color: var(--text-light); }

.section-title {
  text-align: center;
  font-size: 1.85rem;
  margin-bottom: 0.4rem;
  position: relative;
  padding-bottom: 0.8rem;
}
.section-title::after {
  content: '';
  display: block;
  width: 56px;
  height: 3px;
  background: var(--accent);
  margin: 0.6rem auto 0;
  border-radius: 2px;
}
.section-subtitle {
  text-align: center;
  color: var(--text-light);
  font-size: 1rem;
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ----- Section Spacing ----- */
.section { padding: 4rem 0; }
.section-alt { background: var(--gray-50); }
.section-dark {
  background: var(--primary-dark);
  color: var(--white);
}
.section-dark .section-title,
.section-dark h2, .section-dark h3 { color: var(--white); }
.section-dark .section-subtitle { color: rgba(255,255,255,0.65); }
.section-dark p { color: rgba(255,255,255,0.75); }
.section-dark a { color: var(--secondary-light); }

/* ----- Animations ----- */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ====================================
   OLD-SCHOOL LAYOUT CLASSES (backward-compat)
   Keep these intact for about/contact/product pages
   ==================================== */

/* ----- Page Banner (about/contact) ----- */
.page-banner {
  background: var(--primary);
  color: var(--white);
  padding: 6rem 0 3rem;
  margin-top: 64px;
  text-align: center;
}
.page-banner h1 { color: var(--white); font-size: 2rem; }
.page-banner p { color: rgba(255,255,255,0.7); max-width: 500px; margin: 0 auto; }

/* ----- About Layout ----- */
.about-text h2 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--primary);
}
.about-text p {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--text-light);
  margin-bottom: 0.8rem;
}
.about-text ul {
  margin-top: 0.5rem;
  padding-left: 1.2rem;
}
.about-text ul li {
  padding: 4px 0;
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.5;
}
.about-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}
.about-img {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-img img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }

/* ----- About Points (Why Huotian grid) ----- */
.about-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin: 2rem 0;
}
.about-point {
  background: var(--white);
  border: 1px solid var(--border);
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  transition: var(--transition);
}
.about-point:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.about-point h3 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}
.about-point p {
  font-size: 0.9rem;
  margin: 0;
  color: var(--text-light);
}

/* ----- Footer (old structure) ----- */
.footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.6);
  padding: 2rem 0 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.footer-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 3rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  justify-content: center;
}
.footer-brand h4,
.footer-links h4,
.footer-contact h4,
.footer-col h4 {
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: 0.6rem;
  letter-spacing: 0.5px;
}
.footer-brand p,
.footer-contact p,
.footer-col p {
  font-size: 1rem;
  margin-bottom: 0.3rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.4;
}
.footer-links a,
.footer-col a {
  display: block;
  color: rgba(255,255,255,0.5);
  font-size: 1rem;
  padding: 3px 0;
  transition: var(--transition);
  text-decoration: none;
}
.footer-links a:hover,
.footer-col a:hover {
  color: var(--white);
}
.footer-bottom {
  text-align: center;
  padding: 1.2rem 24px;
}

/* ====================================
   HEADER / NAV (same as before)
   ==================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.header.scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
  background: rgba(255,255,255,0.98);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  padding: 0 24px;
  max-width: 1200px;
  margin: 0 auto;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.18rem;
  color: var(--primary);
  letter-spacing: 1px;
}
.nav-logo img { height: 36px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 2px; }
.nav-links a {
  color: var(--gray-700);
  font-size: 0.92rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius);
  transition: var(--transition);
}
.nav-links a:hover,
.nav-links a.active { background: var(--gray-100); color: var(--primary); }
.nav-links .nav-cta {
  background: var(--accent);
  color: var(--white);
  padding: 8px 18px;
  border-radius: var(--radius);
  font-weight: 600;
  margin-left: 8px;
}
.nav-links .nav-cta:hover {
  background: var(--accent-light);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px var(--accent-glow);
}

/* Nav Toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--primary);
  padding: 4px;
}

/* Language Switcher */
.lang-wrap { position: relative; margin-left: 8px; }
.lang-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--gray-100);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px 12px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gray-700);
  transition: var(--transition);
}
.lang-btn:hover { background: var(--gray-200); }
.lang-drop {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 6px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 160px;
  padding: 6px;
  display: none;
  z-index: 100;
  max-height: 300px;
  overflow-y: auto;
}
.lang-wrap.open .lang-drop { display: block; }
.lang-drop a {
  display: block;
  padding: 8px 14px;
  color: var(--gray-700);
  font-size: 0.88rem;
  border-radius: 6px;
  transition: var(--transition);
}
.lang-drop a:hover { background: var(--gray-100); color: var(--primary); }
.arr { font-size: 0.7rem; transition: var(--transition); }
.lang-wrap.open .arr { transform: rotate(180deg); }

/* ====================================
   HOMEPAGE-ONLY NEW SECTIONS
   ==================================== */

/* ----- Hero ----- */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  margin-top: 64px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
    rgba(9,29,47,0.85) 0%,
    rgba(15,43,69,0.7) 50%,
    rgba(15,43,69,0.4) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
  padding: 0 24px;
  margin-left: 8%;
}
.hero-text h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  color: var(--white);
  margin-bottom: 1rem;
  line-height: 1.15;
}
.hero-text p {
  font-size: 1.08rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 2rem;
  max-width: 520px;
  line-height: 1.7;
}
.hero-buttons { display: flex; gap: 14px; flex-wrap: wrap; }

/* Buttons (compatible with old .btn-primary, .btn-outline) */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  text-decoration: none;
  line-height: 1.2;
}
.btn-primary {
  background: var(--accent);
  color: var(--white) !important;
}
.btn-primary:hover {
  background: var(--accent-light) !important;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--accent-glow);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.4);
}
.btn-outline:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.1);
  transform: translateY(-2px);
}
.btn-white {
  background: var(--white);
  color: var(--primary);
}
.btn-white:hover {
  background: var(--gray-100);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ----- Stats Bar ----- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.stat-item {
  background: var(--white);
  padding: 2rem 1rem;
  text-align: center;
}
.stat-icon { font-size: 1.6rem; margin-bottom: 0.5rem; }
.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.3rem;
}
.stat-label {
  font-size: 0.85rem;
  color: var(--text-light);
  font-weight: 500;
}

/* ----- Trust Badges ----- */
.trust-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2.5rem;
  flex-wrap: wrap;
  padding: 1.5rem 0;
}
.trust-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-light);
  font-size: 0.9rem;
  font-weight: 500;
}
.trust-badge svg { flex-shrink: 0; }
.trust-badge span { line-height: 1.3; }

/* ====================================
   NEXT.JS COMPONENT STYLES (Header / Hero / Trust / Scenes / Categories / Why / Stats / CTA / Footer)
   ====================================
.dot.active { background: var(--accent); width: 28px; border-radius: 5px; }

/* ----- Product Category Cards ----- */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.cat-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition-slow, 0.5s ease);
  background: var(--white);
}
.cat-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}
.cat-card img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}
.cat-card:hover img { transform: scale(1.06); }
.cat-card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.2rem 1.2rem 1rem;
  background: linear-gradient(transparent, rgba(15,43,69,0.9));
}
.cat-card-overlay h3 {
  color: var(--white);
  font-size: 1.1rem;
  margin: 0;
}
.cat-card .cat-count {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.7);
  display: block;
  margin-top: 2px;
}

/* ----- Facility Cards (about page 4-grid) ----- */
.facility-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.facility-card {
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.facility-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.facility-card img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
  transition: transform 0.4s var(--ease);
}
.facility-card:hover img { transform: scale(1.05); }
.facility-card-body {
  padding: 1rem 1.2rem 1.2rem;
}
.facility-card-body h3 {
  font-size: 1rem;
  color: var(--primary);
  margin-bottom: 0.3rem;
}
.facility-card-body p {
  font-size: 0.82rem;
  color: var(--text-light);
  line-height: 1.5;
  margin: 0;
}
.factory-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.factory-grid.reverse { direction: rtl; }
.factory-grid.reverse > * { direction: ltr; }
.factory-img {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.factory-img img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}
.factory-img:hover img { transform: scale(1.04); }
.factory-text h3 {
  font-size: 1.4rem;
  margin-bottom: 0.8rem;
}
.factory-text ul {
  margin-top: 1rem;
}
.factory-text ul li {
  padding: 6px 0;
  padding-left: 24px;
  position: relative;
  color: var(--text-light);
  font-size: 0.95rem;
}
.section-dark .factory-text ul li { color: rgba(255,255,255,0.75); }
.factory-text ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
}

/* ----- CTA Section ----- */
.cta-section {
  text-align: center;
  padding: 4rem 0;
}
.cta-section h2 {
  font-size: 2rem;
  margin-bottom: 0.8rem;
}
.cta-section p {
  font-size: 1.05rem;
  margin-bottom: 2rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}
.cta-section .btn { font-size: 1rem; padding: 14px 36px; }

/* ====================================
   PRODUCT PAGES (old structure)
   ==================================== */

/* ----- Product Grid (backward-compat with JS-rendered cards) ----- */
.prod-grid,
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 2rem;
}
.product-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
}
.product-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: transparent;
}
.product-card .p-img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
}
.model-tag {
  position: absolute;
  bottom: 0.5rem;
  right: 0.5rem;
  background: rgba(255,255,255,0.92);
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 6px;
  letter-spacing: 0.8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.product-card h3 {
  font-size: 0.95rem;
  margin: 0.8rem 1rem 0.3rem;
  color: var(--primary);
  line-height: 1.3;
}
.product-card p {
  font-size: 0.85rem;
  color: var(--text-light);
  margin: 0 1rem 0.8rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.5;
}
.btn-sm {
  display: inline-block;
  margin: 0 1rem 1rem;
  padding: 8px 18px;
  background: var(--secondary);
  color: var(--white);
  border-radius: var(--radius);
  font-size: 0.82rem;
  font-weight: 600;
  transition: var(--transition);
  text-decoration: none;
}
.btn-sm:hover {
  background: var(--secondary-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(58,123,214,0.3);
  color: var(--white);
}

/* ----- Category Filter ----- */
.cat-filter {
  display: flex;
  gap: 10px;
  margin: 1.5rem 0 2rem;
  flex-wrap: wrap;
  justify-content: center;
}
.cat-filter button {
  padding: 10px 22px;
  border: 2px solid var(--border);
  background: transparent;
  border-radius: 25px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  transition: all 0.25s ease;
  font-family: var(--font);
}
.cat-filter button:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.cat-filter button.active {
  background: var(--accent);
  color: var(--white);
  border-color: var(--accent);
  font-weight: 600;
}

/* ----- Breadcrumb ----- */
.breadcrumb {
  display: flex;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-bottom: 1.5rem;
  align-items: center;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--gray-500); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: var(--gray-300); }

/* ----- Back Link ----- */
.back-link {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  display: inline-block;
  margin-bottom: 0.5rem;
}
.back-link:hover { opacity: 0.8; }

/* ----- Detail Breadcrumb ----- */
.detail-breadcrumb {
  color: var(--gray-500);
  font-size: 0.88rem;
  margin: 0.25rem 0 0;
}

/* ----- Section Detail ----- */
.section-detail { padding: 2rem 0 4rem; }

/* ----- Detail Image ----- */
.detail-img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
}

/* ----- Contact Page ----- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 3rem;
  align-items: start;
}
.contact-info h2 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}
.contact-info > p {
  margin-bottom: 1.5rem;
}
.contact-details {
  list-style: none;
}
.contact-details li {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.contact-details li:last-child { border-bottom: none; }
.contact-details .icon {
  font-size: 1.3rem;
  flex-shrink: 0;
  margin-top: 2px;
}
.contact-details li div { font-size: 0.92rem; }
.contact-details li div strong { color: var(--primary); }
.contact-details a { color: var(--secondary); }

/* Form Layout */
#inquiry-form h3 {
  margin-bottom: 1.5rem;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.form-group {
  margin-bottom: 16px;
}
.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 6px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: var(--font);
  transition: var(--transition);
  background: var(--white);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(58,123,214,0.15);
}
.form-group textarea {
  resize: vertical;
  min-height: 120px;
}
.form-group select {
  cursor: pointer;
  appearance: auto;
}

@media (max-width: 768px) {
  .contact-layout { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}

/* ====================================
   NEXT.JS COMPONENT STYLES (Header / Hero / Trust / Scenes / Categories / Why / Stats / CTA / Footer)
   ==================================== */

/* ----- Header / Nav ----- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(15,43,69,0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  height: 64px;
}
.nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  height: 100%;
  gap: 2rem;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}
.nav-logo img { width: 36px; height: 36px; border-radius: 50%; }
.nav-logo span {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 1px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-left: auto;
}
.nav-links a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--white); }
.nav-cta {
  background: var(--accent);
  color: var(--white) !important;
  padding: 8px 18px;
  border-radius: 6px;
  font-weight: 600 !important;
  transition: background 0.2s !important;
}
.nav-cta:hover { background: var(--accent-light) !important; }
.nav-toggle { display: none; background: none; border: none; color: var(--white); cursor: pointer; padding: 4px; }

/* ----- Language Switcher ----- */
.lang-wrap { position: relative; }
.lang-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--white);
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: background 0.2s;
}
.lang-btn:hover { background: rgba(255,255,255,0.15); }
.lang-btn .arr { font-size: 0.7rem; margin-left: 2px; }
.lang-drop {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: var(--white);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
  min-width: 160px;
  max-height: 280px;
  overflow-y: auto;
  z-index: 1001;
}
.lang-drop a {
  display: block;
  padding: 8px 16px;
  color: var(--text) !important;
  font-size: 0.85rem;
  text-decoration: none;
  transition: background 0.15s;
}
.lang-drop a:hover { background: var(--gray-100); }
.lang-wrap.open .lang-drop { display: block; }

/* ----- Hero ----- */
.hero {
  position: relative;
  height: 88vh;
  min-height: 520px;
  display: flex;
  align-items: flex-start;
  overflow: hidden;
  padding-top: 64px;
  margin-top: 64px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(9,29,47,0.85) 0%,
    rgba(9,29,47,0.50) 40%,
    rgba(9,29,47,0.20) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin-left: 6%;
  margin-right: auto;
  padding: 0 24px;
  width: 100%;
}
.hero-content h1 {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 0.8rem;
  text-shadow: 0 2px 12px rgba(0,0,0,0.3);
  max-width: 780px;
}
.hero-sub {
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  color: rgba(255,255,255,0.8);
  font-weight: 400;
  line-height: 1.5;
  margin-bottom: 2rem;
  max-width: 600px;
  text-shadow: 0 1px 6px rgba(0,0,0,0.2);
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.25s var(--ease);
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--accent);
  color: var(--white) !important;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-light);
  border-color: var(--accent-light);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(232,93,38,0.25);
}
.btn-outline {
  background: transparent;
  color: var(--white) !important;
  border-color: rgba(255,255,255,0.5);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
  transform: translateY(-1px);
}
.btn-lg { padding: 16px 36px; font-size: 1.05rem; border-radius: 10px; }
.btn-sm {
  display: inline-block;
  padding: 8px 18px;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--accent);
  color: var(--white) !important;
  transition: background 0.2s;
}
.btn-sm:hover { background: var(--accent-light); }

/* ----- Carousel (Application Scenarios) ----- */
.carousel-wrap {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.9);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 1.3rem;
  cursor: pointer;
  z-index: 2;
  transition: var(--transition);
  color: var(--primary);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}
.carousel-btn:hover { background: var(--white); box-shadow: var(--shadow-md); }
.carousel-prev { left: 16px; }
.carousel-next { right: 16px; }
.carousel-track {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.carousel-slide { display: none; }
.carousel-slide.active { display: block; }
.carousel-slide a { display: block; position: relative; }
.carousel-slide img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  display: block;
}
.slide-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  padding: 2rem 1.5rem 1.5rem;
}
.ol-inner { color: var(--white); }
.ol-small { font-size: 0.8rem; opacity: 0.8; display: block; }
.ol-hl { font-size: 1.2rem; font-weight: 700; display: block; margin: 2px 0; }
.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
}
.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gray-300);
  cursor: pointer;
  transition: var(--transition);
  border: none;
  padding: 0;
}
.dot.active { background: var(--accent); }

/* ----- Why Grid (with icons) ----- */
.why-icon {
  font-size: 2.2rem;
  margin-bottom: 0.8rem;
  line-height: 1;
}

/* ----- Category count badge ----- */
.cat-count {
  font-weight: 400;
  font-size: 0.85rem;
  color: var(--text-light);
}

/* ----- Trust Bar ----- */
.section-trust {
  padding: 0;
  background: var(--primary);
}
.trust-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  padding: 1.8rem 0;
}
.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0.6rem 1rem;
  border-right: 1px solid rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.85);
}
.trust-item:last-child { border-right: none; }
.trust-icon {
  font-size: 1.6rem;
  margin-bottom: 0.3rem;
  line-height: 1;
}
.trust-item strong {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.15rem;
}
.trust-item span {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.3;
}

/* ----- Section Title / Subtitle ----- */
.section-sub {
  text-align: center;
  color: var(--text-light);
  font-size: 1rem;
  margin-bottom: 2.5rem;
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

/* ----- Scenarios (use-case cards with overlay) ----- */
.scene-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
}
.scene-card {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
  aspect-ratio: 4/3;
}
.scene-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}
.scene-img {
  position: absolute;
  inset: 0;
}
.scene-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}
.scene-card:hover .scene-img img { transform: scale(1.05); }
.scene-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    transparent 30%,
    rgba(0,0,0,0.6) 70%,
    rgba(0,0,0,0.85) 100%
  );
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.8rem;
}
.scene-overlay h3 {
  color: var(--white);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}
.scene-overlay p {
  color: rgba(255,255,255,0.75);
  font-size: 0.85rem;
  line-height: 1.4;
  margin: 0;
}

/* ----- Product Categories (new) ----- */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
}
.cat-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  text-decoration: none;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.cat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}
.cat-img {
  aspect-ratio: 16/9;
  overflow: hidden;
}
.cat-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}
.cat-card:hover .cat-img img { transform: scale(1.05); }
.cat-body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.cat-body h3 {
  font-size: 1.15rem;
  color: var(--primary);
  margin-bottom: 0.5rem;
}
.cat-body p {
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.5;
  margin-bottom: 1rem;
  flex: 1;
}
.cat-link {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.2s;
}
.cat-card:hover .cat-link { gap: 8px; }

/* ----- Why Grid ----- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.8rem;
  margin-top: 2rem;
}
.why-card {
  text-align: center;
  padding: 2.2rem 1.5rem;
  background: var(--white);
  border-radius: 14px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.why-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.why-card h3 {
  font-size: 1.1rem;
  color: var(--primary);
  margin-bottom: 0.6rem;
}
.why-card p {
  font-size: 0.88rem;
  color: var(--text-light);
  line-height: 1.55;
  margin: 0;
}

/* ----- Stats ----- */
.stats-section {
  background: var(--gray-50);
  padding: 4rem 0;
}
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  text-align: center;
}
.stat-item {
  padding: 1.5rem 1rem;
  border-right: 1px solid var(--gray-200);
}
.stat-item:last-child { border-right: none; }
.stat-icon {
  font-size: 2.2rem;
  margin-bottom: 0.5rem;
  line-height: 1;
}
.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.02em;
  margin-bottom: 0.2rem;
}
.stat-label {
  font-size: 0.88rem;
  color: var(--text);
  font-weight: 500;
}

/* ----- CTA Section ----- */
.cta-section {
  text-align: center;
  padding: 4rem 24px;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
}
.cta-section h2 {
  font-size: 2rem;
  color: var(--white);
  margin-bottom: 0.6rem;
}
.cta-section p {
  color: rgba(255,255,255,0.65);
  font-size: 1rem;
  margin-bottom: 2rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}
.cta-section .btn-primary {
  padding: 16px 36px;
  font-size: 1.05rem;
  border-radius: 10px;
}

/* ----- Product Grid (products listing) ----- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}
.product-card {
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.product-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}
.product-card a {
  text-decoration: none;
  color: inherit;
}
.p-img {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--gray-50);
}
.p-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s var(--ease);
}
.product-card:hover .p-img img { transform: scale(1.08); }
.model-tag {
  position: absolute;
  bottom: 0.5rem;
  right: 0.5rem;
  background: rgba(255,255,255,0.92);
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 6px;
  letter-spacing: 0.8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.product-card h3 {
  font-size: 1rem;
  padding: 0.8rem 1rem 1rem;
  margin: 0;
  color: var(--primary);
}

/* ----- Footer (Next.js component) ----- */
.footer {
  background: var(--primary-dark);
  padding: 2rem 0 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2.5rem;
  align-items: start;
}
.footer-col {
  min-width: 0;
}
.footer-col h4 {
  color: var(--white);
  font-size: 0.9rem;
  margin-bottom: 0.3rem;
  letter-spacing: 0.8px;
  text-transform: uppercase;
}
.footer-col a {
  display: block;
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  font-size: 0.85rem;
  padding: 3px 0;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--white); }
.footer-col p {
  color: rgba(255,255,255,0.5);
  font-size: 0.85rem;
  margin: 0;
  padding: 2px 0;
  line-height: 1.4;
}
.footer-brand h4 { font-size: 1rem; }
.footer-brand p { font-size: 0.9rem; }
.footer-contact p { font-size: 0.9rem; }

/* ----- Product Detail ----- */
.detail-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}
.detail-gallery {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.detail-gallery img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  display: block;
}
.detail-model {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--primary);
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 20px;
  letter-spacing: 0.5px;
}
.detail-info h1 {
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
}
.detail-cat {
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 1rem;
}
.detail-desc {
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}
.detail-meta {
  background: var(--gray-50);
  padding: 0.8rem 1rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  border: 1px solid var(--border);
}
.detail-info h3 {
  font-size: 1rem;
  margin-bottom: 0.6rem;
  color: var(--primary);
}
.detail-apps {
  list-style: none;
  margin-bottom: 1.5rem;
}
.detail-apps li {
  padding: 6px 0 6px 24px;
  position: relative;
  font-size: 0.92rem;
  color: var(--text-light);
}
.detail-apps li::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 13px;
  width: 8px;
  height: 8px;
  background: var(--secondary);
  border-radius: 50%;
}
.detail-cta {
  margin-top: 1rem;
}

@media (max-width: 768px) {
  .detail-layout { grid-template-columns: 1fr; gap: 2rem; }
}
.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: var(--font);
  transition: var(--transition);
  background: var(--white);
}
.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  outline: none;
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(58,123,214,0.15);
}
.contact-form textarea { resize: vertical; min-height: 120px; }

/* ----- Contact Page Layout ----- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 3rem;
  align-items: start;
}
.contact-info h2 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--primary);
}
.contact-info > p {
  margin-bottom: 1.5rem;
  color: var(--text-light);
}
.contact-details {
  list-style: none;
  margin: 0;
  padding: 0;
}
.contact-details li {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.contact-details li:last-child { border-bottom: none; }
.contact-details .icon {
  font-size: 1.3rem;
  flex-shrink: 0;
  margin-top: 2px;
}
.contact-details li div {
  font-size: 0.92rem;
  line-height: 1.5;
}
.contact-details li div strong {
  color: var(--primary);
}
.contact-details a {
  color: var(--secondary);
  text-decoration: none;
}
.contact-details a:hover {
  text-decoration: underline;
}
.contact-tip {
  margin-top: 24px;
  padding: 20px;
  background: var(--accent);
  border-radius: 12px;
  color: var(--white);
}
.contact-tip h3 {
  font-size: 1rem;
  margin-bottom: 6px;
  color: var(--white);
}
.contact-tip p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.85);
  margin: 0;
  line-height: 1.5;
}

/* ----- Contact Form ----- */
.contact-form-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  padding: 32px;
}
.contact-form-card h3 {
  font-size: 1.15rem;
  margin-bottom: 20px;
  color: var(--primary);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 0;
}
.form-group {
  margin-bottom: 18px;
}
.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 6px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  transition: all 0.3s ease;
  background: var(--white);
  box-sizing: border-box;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(58,123,214,0.15);
}
.form-group textarea {
  resize: vertical;
  min-height: 120px;
}
.form-group select {
  cursor: pointer;
}

@media (max-width: 768px) {
  .contact-layout { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form-card { padding: 24px; }
  .contact-tip { margin-top: 16px; }
}

/* ----- Email Links ----- */
.email-link { cursor: pointer; color: var(--secondary); }
.email-link:hover { color: var(--primary-light); }

/* ----- Values Cards (about page dark bg) ----- */
.about-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin: 2.5rem 0;
}
.value-card {
  text-align: center;
  padding: 1.5rem 1rem;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
}
.value-card .val-icon { font-size: 2rem; margin-bottom: 0.5rem; }
.value-card h4 { color: var(--white); font-size: 0.95rem; margin-bottom: 0.3rem; }
.value-card p { color: rgba(255,255,255,0.65); font-size: 0.82rem; margin: 0; }

/* ----- Back to Top ----- */
.back-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: var(--white);
  border: none;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 99;
  box-shadow: var(--shadow-md);
}
.back-top.visible { opacity: 1; transform: translateY(0); }
.back-top:hover { background: var(--primary-light); transform: translateY(-3px); }

/* ----- Blog ----- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.blog-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}
.blog-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.blog-card img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}
.blog-card-body { padding: 1.2rem; }
.blog-card-body .blog-date {
  font-size: 0.8rem;
  color: var(--gray-500);
}
.blog-card-body h3 { font-size: 1rem; margin: 0.4rem 0; }
.blog-card-body p {
  font-size: 0.85rem;
  color: var(--text-light);
  margin: 0;
}

/* ====================================
   TABLET (769px - 1024px)
   ==================================== */
@media (max-width: 1024px) {
  .hero-content { margin-left: 4%; }
  .hero-text h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); }
}

@media (max-width: 900px) {
  .stats-bar { grid-template-columns: repeat(4, 1fr); }
  .stats-section { background: var(--gray-50); }
  .stat-number { color: var(--primary); }
  .stat-label { color: var(--text); }
  .cat-grid { grid-template-columns: 1fr 1fr; }
  .factory-grid { grid-template-columns: 1fr; gap: 2rem; }
  .factory-grid.reverse { direction: ltr; }
  .about-layout { grid-template-columns: 1fr; gap: 2rem; }
  .about-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .about-values { grid-template-columns: 1fr; }
  .prod-grid, .product-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .footer-inner { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
  .facility-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
}

/* ====================================
   MOBILE (鈮?768px) 鈥?Premium Minimal
   ==================================== */
@media (max-width: 768px) {
  html { font-size: 14px; }

  /* --- Navigation --- */
  .header {
    background: rgba(255,255,255,0.98);
    border-bottom: none;
  }
  .header.scrolled {
    border-bottom: 1px solid rgba(0,0,0,0.06);
  }
  .nav { height: 56px; padding: 0 20px; }
  .nav-logo { font-size: 1rem; gap: 8px; }
  .nav-logo img { height: 28px; }
  .nav-logo span { font-weight: 700; letter-spacing: 1.5px; font-size: 0.9rem; color: var(--primary); }

  .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    padding: 8px;
    color: var(--text);
    opacity: 0.85;
  }

  .nav-links {
    position: fixed;
    top: 56px;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-direction: column;
    padding: 12px 16px;
    display: none;
    transform: translateY(-8px);
    opacity: 0;
    transition: transform 0.35s cubic-bezier(0.16,1,0.3,1),
                opacity 0.35s cubic-bezier(0.16,1,0.3,1);
    border-bottom: 1px solid rgba(0,0,0,0.06);
    box-shadow: none;
  }
  .nav-links.open {
    display: flex;
    transform: translateY(0);
    opacity: 1;
  }
  .nav-links a {
    width: 100%;
    padding: 14px 16px;
    font-size: 0.95rem;
    min-height: 48px;
    display: flex;
    align-items: center;
    border-radius: 10px;
    color: var(--text);
    font-weight: 500;
    letter-spacing: 0.3px;
  }
  .nav-links a:hover,
  .nav-links a.active {
    background: var(--gray-50);
    color: var(--primary);
  }
  .nav-links .nav-cta {
    margin-left: 0;
    margin-top: 6px;
    text-align: center;
    justify-content: center;
    background: var(--primary);
    color: var(--white) !important;
    font-weight: 600;
  }
  .nav-links .nav-cta:hover {
    background: var(--primary-light);
  }

  /* Language switcher mobile */
  .lang-wrap { margin-left: auto; }
  .lang-btn {
    padding: 6px 10px;
    background: transparent;
    border: none;
    gap: 4px;
    color: var(--text);
  }
  .lang-btn span { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.5px; }
  .lang-btn .arr { color: var(--text); opacity: 0.5; }
  .lang-drop {
    position: fixed;
    top: 56px;
    left: 12px;
    right: 12px;
    min-width: auto;
    max-height: 55vh;
    border-radius: 14px;
    box-shadow: 0 8px 40px rgba(0,0,0,0.1);
    border: 1px solid rgba(0,0,0,0.04);
  }
  .lang-drop a {
    padding: 13px 16px;
    min-height: 48px;
    display: flex;
    align-items: center;
    font-size: 0.9rem;
  }

  /* --- Hero --- */
  .hero {
    min-height: 100dvh;
    margin-top: 56px;
  }
  .hero-bg img {
    object-position: 35% center;
  }
  .hero-bg::after {
    background: linear-gradient(
      180deg,
      rgba(9,29,47,0.5) 0%,
      rgba(9,29,47,0.75) 60%,
      rgba(9,29,47,0.92) 100%
    );
  }
  .hero-content {
    margin-left: 0;
    padding: 0 24px;
    text-align: left;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-end;
    min-height: 100dvh;
    padding-bottom: 12vh;
  }
  .hero-text h1 {
    font-size: 1.75rem;
    line-height: 1.15;
    margin-bottom: 0.6rem;
    letter-spacing: -0.03em;
    max-width: 90%;
  }
  .hero-text p {
    font-size: 0.92rem;
    margin-bottom: 1.5rem;
    max-width: 100%;
    line-height: 1.65;
    color: rgba(255,255,255,0.65);
  }
  .hero-buttons {
    justify-content: flex-start;
    flex-direction: column;
    width: 100%;
    gap: 10px;
  }
  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
    padding: 14px 24px;
    font-size: 0.92rem;
    min-height: 50px;
    border-radius: 12px;
    letter-spacing: 0.5px;
  }
  .btn-primary {
    background: var(--accent);
    color: var(--white);
  }
  .btn-outline {
    border-width: 1.5px;
    border-color: rgba(255,255,255,0.3);
    color: rgba(255,255,255,0.85);
    background: transparent;
  }

  /* --- Trust Bar (hidden on mobile) --- */
  #trust-section { display: none !important; }

  /* --- Stats Bar --- */
  .stats-section { background: var(--gray-50); }
  .stats-bar {
    grid-template-columns: 1fr 1fr;
    gap: 0;
    padding: 2.5rem 20px;
    row-gap: 1.5rem;
    border: none;
  }
  .stat-item {
    padding: 0;
    position: relative;
    border-right: 1px solid rgba(0,0,0,0.06);
  }
  .stat-item:nth-child(2n) { border-right: none; }
  .stat-item::after {
    content: '';
    position: absolute;
    bottom: -0.75rem;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--accent);
    border-radius: 1px;
    opacity: 0.5;
  }
  .stat-number {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.03em;
    line-height: 1;
    margin-bottom: 0.3rem;
  }
  .stat-label {
    font-size: 0.78rem;
    color: var(--text);
    font-weight: 500;
    letter-spacing: 0.3px;
  }

  /* --- Why Section --- */
  .why-grid {
    grid-template-columns: 1fr;
    gap: 0.8rem;
    padding: 0 20px;
  }
  .why-card {
    padding: 1.25rem 1.25rem 1.5rem;
    border: 1px solid var(--gray-100);
    border-radius: 14px;
    background: var(--white);
    box-shadow: none;
  }
  .why-icon {
    font-size: 1.5rem;
    margin-bottom: 0.6rem;
  }
  .why-card h3 {
    font-size: 0.95rem;
    margin-bottom: 0.3rem;
    font-weight: 600;
  }
  .why-card p {
    font-size: 0.85rem;
    color: var(--gray-500);
    line-height: 1.55;
    margin: 0;
  }

  /* --- Category Grid --- */
  .cat-grid {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 0 20px;
  }
  .cat-card {
    min-height: 140px;
    border-radius: 14px;
  }
  .cat-card img { aspect-ratio: 16/7; }
  .cat-card-overlay { padding: 0.9rem 1rem; }
  .cat-card-overlay h3 { font-size: 0.9rem; font-weight: 600; }

  /* --- Carousel (mobile) --- */
  .carousel-btn { width: 32px; height: 32px; font-size: 1rem; }
  .carousel-btn.prev { left: 8px; }
  .carousel-btn.next { right: 8px; }
  .carousel-slide img { aspect-ratio: 16/10; }
  .slide-overlay { padding: 1rem; }
  .ol-hl { font-size: 1rem; }

  /* --- Product Grid --- */
  .prod-grid, .product-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    padding: 0 20px;
  }
  .product-card {
    border-radius: 12px;
    border: 1px solid var(--gray-100);
    box-shadow: none;
  }
  .product-card .p-img { aspect-ratio: 1; }
  .product-card h3 {
    font-size: 0.72rem;
    padding: 6px 8px 2px;
    font-weight: 600;
    letter-spacing: 0.1px;
    line-height: 1.3;
  }
  .model-tag {
    font-size: 0.6rem;
    padding: 3px 6px;
    bottom: 4px;
    right: 4px;
    border-radius: 3px;
    font-weight: 700;
    letter-spacing: 0.5px;
  }

  /* --- About Page --- */
  .page-banner {
    padding: 3rem 24px 2.5rem;
    margin-top: 56px;
    min-height: auto;
  }
  .page-banner h1 {
    font-size: 1.5rem;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 0.4rem;
  }
  .page-banner p {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.6);
  }
  .about-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 0 24px;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 0 24px;
  }
  .about-values {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }
  .about-point { padding: 0; }
  .about-point h3 { font-size: 0.95rem; font-weight: 600; }
  .about-point p { font-size: 0.85rem; color: var(--gray-500); line-height: 1.55; }
  .facility-grid { grid-template-columns: 1fr; gap: 1rem; }
  .facility-card-body { padding: 0.8rem 1rem 1rem; }
  .facility-card-body h3 { font-size: 0.9rem; }
  .facility-card-body p { font-size: 0.78rem; }

  /* --- Factory Grid --- */
  .factory-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 0 24px;
  }
  .factory-grid.reverse { direction: ltr; }
  .factory-img { border-radius: 14px; }
  .factory-img img { aspect-ratio: 16/10; }
  .factory-text h3 { font-size: 1.1rem; font-weight: 600; }
  .factory-text ul li {
    font-size: 0.85rem;
    padding: 5px 0 5px 20px;
    color: var(--gray-500);
    line-height: 1.5;
  }

  /* --- Product Detail --- */
  .detail-layout {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 0 24px;
  }
  .detail-gallery { border-radius: 14px; }
  .detail-gallery img { aspect-ratio: 1; }
  .detail-info h1 {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
  }
  .detail-cat { font-size: 0.78rem; letter-spacing: 1px; margin-bottom: 0.6rem; }
  .detail-desc { font-size: 0.85rem; line-height: 1.6; color: var(--gray-500); }
  .detail-meta { font-size: 0.82rem; padding: 0.7rem 0.9rem; border-radius: 10px; }
  .detail-info h3 { font-size: 0.92rem; }
  .detail-apps li {
    font-size: 0.82rem;
    padding: 4px 0 4px 20px;
    color: var(--gray-500);
  }
  .detail-cta .btn {
    width: 100%;
    justify-content: center;
    min-height: 48px;
    border-radius: 12px;
  }

  /* --- Contact Page --- */
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 0 24px;
  }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .form-group { margin-bottom: 0; }
  .contact-form label { font-size: 0.85rem; font-weight: 600; }
  .contact-form input,
  .contact-form textarea,
  .contact-form select {
    padding: 12px 14px;
    font-size: 16px;
    min-height: 48px;
    border-radius: 10px;
    border: 1px solid var(--gray-200);
    background: var(--white);
  }
  .contact-form input:focus,
  .contact-form textarea:focus,
  .contact-form select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(15,43,69,0.08);
  }
  .contact-form textarea { min-height: 100px; }
  .contact-info {
    padding: 1.5rem;
    border-radius: 14px;
    background: var(--gray-50);
    border: none;
  }
  .contact-info h3 { font-size: 0.95rem; font-weight: 600; }

  /* --- CTA Section --- */
  .cta-section {
    padding: 2.5rem 24px;
  }
  .cta-section h2 {
    font-size: 1.35rem;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 0.5rem;
  }
  .cta-section p {
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-bottom: 1.5rem;
  }
  .cta-section .btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
    padding: 14px 28px;
    min-height: 50px;
    border-radius: 12px;
    font-size: 0.92rem;
    letter-spacing: 0.5px;
  }

  /* --- Footer --- */
  .footer {
    padding: 1.5rem 0 0;
    background: var(--primary-dark);
  }
  .footer-grid,
  .footer-inner {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding: 0 24px;
  }
  .footer-col { width: 100%; }
  .footer-col h4 {
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
    color: rgba(255,255,255,0.9);
    font-weight: 600;
    letter-spacing: 0.8px;
    text-transform: uppercase;
  }
  .footer-col a, .footer-col p {
    font-size: 0.82rem;
    padding: 4px 0;
    color: rgba(255,255,255,0.45);
    line-height: 1.5;
  }
  .footer-col a:hover { color: rgba(255,255,255,0.8); }
  .footer-bottom {
    font-size: 0.72rem;
    padding: 0.8rem 24px;
    margin-top: 1.5rem;
    color: rgba(255,255,255,0.25);
    border-top: 1px solid rgba(255,255,255,0.06);
  }

  /* --- Section Spacing & Typography --- */
  .section { padding: 2.5rem 0; }
  .section-dark { padding: 2.5rem 0; }

  .section-title {
    font-size: 1.3rem;
    letter-spacing: -0.02em;
    padding-bottom: 0.6rem;
    margin-bottom: 0.3rem;
  }
  .section-title::after {
    width: 32px;
    height: 2px;
  }
  .section-subtitle {
    font-size: 0.85rem;
    margin-bottom: 1.5rem;
    padding: 0 24px;
    color: var(--gray-500);
    line-height: 1.55;
  }

  /* --- Blog --- */
  .blog-grid {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 0 24px;
  }
  .blog-card { border-radius: 14px; }
  .blog-card-body { padding: 1rem; }
  .blog-card-body h3 { font-size: 0.9rem; }
  .blog-card-body p { font-size: 0.8rem; line-height: 1.5; }

  /* --- General --- */
  .container { padding: 0 24px; }

  h1 { font-size: 1.5rem; letter-spacing: -0.02em; }
  h2 { font-size: 1.2rem; letter-spacing: -0.01em; }
  p { font-size: 0.88rem; line-height: 1.6; }

  .back-top {
    width: 40px;
    height: 40px;
    font-size: 1rem;
    right: 16px;
    bottom: 20px;
    border-radius: 12px;
    border: 1px solid var(--gray-200);
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(8px);
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  }

  /* --- Disable scroll animations on mobile for perf --- */
  .fade-up, .fade-in { opacity: 1 !important; transform: none !important; }

  /* --- Hide trust section on mobile --- */
  #trust-section { display: none !important; }

  /* --- Mobile CTA adjustments --- */
  .cta-section { padding: 2.5rem 20px; }
  .cta-section h2 { font-size: 1.3rem; }
  .cta-section p { font-size: 0.85rem; }
}

/* ===== Blog Styles ===== */
.blog-list { display: flex; flex-direction: column; gap: 1.5rem; }
.blog-card-link { text-decoration: none; color: inherit; display: block; }
.blog-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem 2rem;
  transition: all 0.3s var(--ease);
}
.blog-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.blog-card-meta { display: flex; gap: 0.75rem; align-items: center; margin-bottom: 0.5rem; font-size: 0.82rem; color: var(--gray-500); }
.blog-card-title { font-size: 1.15rem; color: var(--primary); margin: 0 0 0.5rem; line-height: 1.4; }
.blog-card-summary { font-size: 0.9rem; color: var(--text-light); line-height: 1.5; margin-bottom: 0.75rem; }
.blog-card-footer { display: flex; justify-content: space-between; align-items: center; font-size: 0.82rem; }
.blog-author { color: var(--gray-500); }
.blog-read-more { color: var(--accent); font-weight: 500; }
.blog-article-container { max-width: 800px; margin: 0 auto; }
.blog-article-header { margin-bottom: 2rem; }
.blog-article-meta { display: flex; gap: 0.5rem; align-items: center; font-size: 0.85rem; color: var(--gray-500); margin-bottom: 0.75rem; flex-wrap: wrap; }
.blog-meta-sep { color: var(--gray-300); }
.blog-article-header h1 { font-size: 1.8rem; line-height: 1.25; color: var(--primary); margin-bottom: 1rem; }
.blog-article-summary { font-size: 1.05rem; color: var(--text-light); line-height: 1.6; }
.blog-tags { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 1rem; }
.blog-tag { background: var(--gray-50); border: 1px solid var(--border); border-radius: 20px; padding: 4px 12px; font-size: 0.78rem; color: var(--gray-600); }
.blog-tldr { background: #f0f7ff; border-left: 4px solid var(--primary); border-radius: 0 var(--radius-md) var(--radius-md) 0; padding: 1.25rem 1.5rem; margin-bottom: 2rem; }
.blog-tldr strong { display: block; color: var(--primary); margin-bottom: 0.5rem; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 1px; }
.blog-tldr p { margin: 0; font-size: 0.92rem; line-height: 1.6; color: var(--text); }
.blog-section h2 { font-size: 1.25rem; color: var(--primary); margin: 2rem 0 0.75rem; padding-bottom: 0.5rem; border-bottom: 2px solid var(--gray-100); }
.blog-section h3 { font-size: 1rem; color: var(--text); margin: 1.25rem 0 0.5rem; font-weight: 600; }
.blog-section p { font-size: 0.92rem; line-height: 1.65; color: var(--text); margin-bottom: 0.75rem; }
.blog-list-item { padding-left: 1rem; }
.blog-table-wrapper { overflow-x: auto; margin: 1rem 0; }
.blog-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.blog-table th { background: var(--primary); color: var(--white); padding: 10px 14px; text-align: left; font-weight: 600; }
.blog-table td { padding: 10px 14px; border-bottom: 1px solid var(--border); }
.blog-table tr:nth-child(even) td { background: var(--gray-50); }
.blog-faq-section { margin-top: 3rem; padding-top: 2rem; border-top: 2px solid var(--gray-100); }
.blog-faq-section h2 { font-size: 1.3rem; color: var(--primary); margin-bottom: 1.25rem; }
.blog-faq-item { margin-bottom: 1rem; padding: 1rem 1.25rem; background: var(--gray-50); border-radius: var(--radius-md); }
.blog-faq-q { font-size: 0.95rem; color: var(--primary); margin-bottom: 0.4rem; }
.blog-faq-a { font-size: 0.88rem; color: var(--text); line-height: 1.55; margin: 0; }
.blog-conclusion { margin-top: 2rem; padding: 1.5rem; background: #f8faf8; border-radius: var(--radius-lg); border: 1px solid #e8f0e8; }
.blog-conclusion h2 { font-size: 1.1rem; color: var(--primary-dark); margin-bottom: 0.75rem; }
.blog-conclusion p { font-size: 0.92rem; line-height: 1.6; margin: 0; }
.blog-cta { margin-top: 2.5rem; padding: 2rem; text-align: center; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); border-radius: var(--radius-xl); }
.blog-cta p { color: rgba(255,255,255,0.9); font-size: 1.05rem; margin-bottom: 1rem; }
.blog-cta .btn-primary { background: var(--accent); color: var(--white); border: none; }
.blog-cta .btn-primary:hover { background: var(--accent-light); }
.product-faq { margin-top: 3rem; padding-top: 2rem; border-top: 2px solid var(--gray-100); }
.product-faq-list { display: flex; flex-direction: column; gap: 0.75rem; }
.product-faq-item { border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; transition: all 0.2s ease; }
.product-faq-item[open] { border-color: var(--primary); }
.product-faq-item:hover { border-color: var(--primary); }
.product-faq-q { font-size: 0.92rem; color: var(--primary); padding: 1rem 1.25rem; font-weight: 600; cursor: pointer; display: flex; justify-content: space-between; align-items: center; list-style: none; }
.product-faq-q::-webkit-details-marker { display: none; }
.product-faq-q::after { content: "+"; font-size: 1.2rem; color: var(--gray-400); transition: transform 0.2s; }
.product-faq-item[open] .product-faq-q::after { content: "-"; }
.product-faq-cta { margin-top: 1rem; text-align: center; font-size: 0.9rem; }
.product-faq-cta a { color: var(--accent); text-decoration: none; font-weight: 500; }

/* ----- Hero Product Landing Page ----- */
.specs-table-wrap { max-width: 700px; margin: 0 auto; overflow-x: auto; }
.specs-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.specs-table tr { border-bottom: 1px solid var(--border); }
.specs-table tr:last-child { border-bottom: none; }
.specs-label { padding: 0.85rem 1rem 0.85rem 0; font-weight: 600; color: var(--text); width: 40%; vertical-align: top; }
.specs-value { padding: 0.85rem 0 0.85rem 1rem; color: var(--text-light); vertical-align: top; }

.cert-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 12px; max-width: 700px; margin: 0 auto; }
.cert-badge { display: flex; align-items: center; gap: 10px; padding: 0.85rem 1rem; background: var(--gray-50); border-radius: var(--radius-md); border-left: 3px solid var(--accent); }
.cert-icon { color: var(--accent); font-size: 1.1rem; font-weight: 700; flex-shrink: 0; }
.cert-text { font-size: 0.88rem; color: var(--text); font-weight: 500; }

.pkg-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; max-width: 800px; margin: 0 auto; }
.pkg-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 1.25rem; text-align: center; transition: box-shadow 0.2s; }
.pkg-card:hover { box-shadow: var(--shadow-md); border-color: var(--accent); }
.pkg-option { font-size: 0.95rem; font-weight: 700; color: var(--primary); margin-bottom: 0.4rem; }
.pkg-detail { font-size: 0.85rem; color: var(--text-light); line-height: 1.5; }

.shipping-note { max-width: 700px; margin: 0 auto; }
.shipping-note p { font-size: 0.92rem; color: var(--text-light); margin-bottom: 1rem; }
.shipping-note ul { list-style: none; padding: 0; }
.shipping-note li { padding: 0.6rem 0; padding-left: 1.8rem; position: relative; font-size: 0.9rem; color: var(--text); border-bottom: 1px solid var(--gray-100); }
.shipping-note li:last-child { border-bottom: none; }
.shipping-note li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }

.detail-capacity { font-size: 0.88rem; color: var(--accent); font-weight: 600; margin-bottom: 0.75rem; }
.detail-short { font-size: 1.05rem; color: var(--text); font-weight: 500; line-height: 1.6; margin-bottom: 0.75rem; }
.detail-desc { font-size: 0.92rem; color: var(--text-light); line-height: 1.65; }

@media (max-width: 768px) {
  .cert-grid { grid-template-columns: 1fr; }
  .pkg-grid { grid-template-columns: 1fr; }
  .specs-table { font-size: 0.82rem; }
  .specs-label { width: 35%; padding: 0.65rem 0.6rem 0.65rem 0; }
  .specs-value { padding: 0.65rem 0 0.65rem 0.6rem; }
}
@media (max-width: 768px) {
  .blog-card { padding: 1rem 1.25rem; }
  .blog-card-title { font-size: 1rem; }
  .blog-article-header h1 { font-size: 1.35rem; }
  .blog-tldr { padding: 1rem; }
  .blog-section h2 { font-size: 1.1rem; }
  .blog-faq-item { padding: 0.75rem 1rem; }
  .blog-conclusion { padding: 1rem; }
  .blog-cta { padding: 1.5rem; }
  .product-faq-item { padding: 0.75rem 1rem; }
}

/* ----- About Stats ----- */
.about-stats { padding: 3rem 0; }
.about-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.about-stat-item { padding: 1.5rem 0.5rem; }
.about-stat-num {
  display: block;
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.3rem;
  letter-spacing: -0.02em;
}
.about-stat-label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-light);
  font-weight: 500;
}

/* ----- About Photo Grid ----- */
.about-photo-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}
.about-photo-card {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 4/3;
  box-shadow: var(--shadow-md);
}
.about-photo-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease);
}
.about-photo-card:hover img { transform: scale(1.05); }
.about-photo-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0.8rem 1rem;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 600;
}

@media (max-width: 768px) {
  .about-photo-grid { grid-template-columns: 1fr; gap: 16px; }
  .about-stats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .about-stat-num { font-size: 1.6rem; }
  .about-stat-label { font-size: 0.78rem; }
  .about-photo-card { aspect-ratio: 16/9; }
}

/* ===== GEO TL;DR ===== */
.section-geo-tldr {
  padding: 14px 0;
  background: var(--bg-light);
  border-bottom: 1px solid var(--border);
}
.geo-tldr-card {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.geo-tldr-badge {
  flex-shrink: 0;
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent);
  padding: 2px 0;
  line-height: 1.6;
}
.geo-tldr-text {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--gray-500);
  margin: 0;
}

/* ===== GEO Key Takeaways ===== */
.section-geo-takeaways { padding: 40px 0; background: var(--white); }
.section-geo-takeaways .section-title {
  text-align: center;
  margin-bottom: 24px;
  font-size: 1.3rem;
}
.geo-takeaways-grid {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 780px;
  margin: 0 auto;
}
.geo-takeaway-item {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 16px;
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--gray-700);
}
.geo-takeaway-item::before {
  content: '\2713';
  color: var(--accent);
  font-weight: 700;
  margin-right: 10px;
}

/* ===== Comparison Table ===== */
.compare-table-wrap {
  overflow-x: auto;
  margin-top: 24px;
  border-radius: 8px;
  border: 1px solid var(--border);
}
.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  min-width: 600px;
}
.compare-table thead th {
  background: var(--bg-dark);
  color: #fff;
  padding: 14px 16px;
  text-align: left;
  font-weight: 600;
  border-right: 1px solid rgba(255,255,255,0.1);
}
.compare-table thead th:first-child {
  border-radius: 8px 0 0 0;
}
.compare-table thead th:last-child {
  border-right: none;
  border-radius: 0 8px 0 0;
}
.compare-product-name {
  font-size: 0.95rem;
  line-height: 1.4;
}
.compare-product-short {
  font-weight: 400;
  font-size: 0.78rem;
  opacity: 0.8;
  display: block;
  margin-top: 2px;
}
.compare-table td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
  vertical-align: top;
  line-height: 1.4;
}
.compare-table td:last-child {
  border-right: none;
}
.compare-table tbody tr:last-child td {
  border-bottom: none;
}
.compare-label {
  font-weight: 600;
  color: var(--gray-700);
  white-space: nowrap;
  background: var(--bg-light);
}
.compare-current {
  background: rgba(0, 95, 175, 0.04);
}
.compare-row-highlight {
  background: rgba(0, 95, 175, 0.03);
}
.compare-legend {
  display: flex;
  gap: 20px;
  margin-top: 12px;
  font-size: 0.82rem;
  color: var(--gray-500);
}
.compare-legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
}
.compare-legend-current::before {
  content: '';
  display: inline-block;
  width: 16px;
  height: 16px;
  border-radius: 3px;
  background: rgba(0, 95, 175, 0.1);
  border: 2px solid rgba(0, 95, 175, 0.3);
}

/* ===== Testimonials ===== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
  max-width: 860px;
  margin: 0 auto;
}
.testimonial-card {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px 28px;
  position: relative;
}
.testimonial-stars {
  color: #f5a623;
  font-size: 1.1rem;
  letter-spacing: 2px;
  margin-bottom: 12px;
}
.testimonial-body {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--gray-700);
  margin: 0 0 16px;
  font-style: italic;
}
.testimonial-author {
  border-top: 1px solid var(--border);
  padding-top: 12px;
}
.testimonial-author strong {
  display: block;
  font-size: 0.88rem;
  color: var(--primary);
}
.testimonial-author span {
  display: block;
  font-size: 0.8rem;
  color: var(--gray-500);
}
.testimonial-project {
  font-size: 0.78rem;
  color: var(--gray-400);
  margin-top: 2px;
}

@media (max-width: 768px) {
  .compare-table { font-size: 0.78rem; min-width: auto; }
  .compare-table thead th, .compare-table td { padding: 8px 10px; }
  .compare-product-name { font-size: 0.82rem; }
  .compare-product-short { font-size: 0.7rem; }
  .compare-label { white-space: normal; }
  .testimonials-grid { grid-template-columns: 1fr; padding: 0 12px; }
  .testimonial-card { padding: 18px 20px; }
  .testimonial-body { font-size: 0.84rem; }
}

@media (max-width: 768px) {
  .section-geo-tldr { padding: 10px 16px; }
  .geo-tldr-text { font-size: 0.8rem; }
  .geo-tldr-badge { font-size: 0.6rem; }
}