/* ============================================================
   HaoNuo Machinery — Global Design System
   Style: Ansune (minimalist industrial) × Aquasust (technical transparency)
   Color: Navy #1A365D + White + Orange CTA #DD6B20
   Font: System font stack (no external dependency)
   ============================================================ */

/* === CSS Variables === */
:root {
  --navy:        #1A365D;
  --navy-dark:   #0F2440;
  --navy-light:  #2B4C7E;
  --orange:      #DD6B20;
  --orange-hover:#C0561A;
  --orange-light:#FFFAF0;
  --white:       #FFFFFF;
  --gray-50:     #F7FAFC;
  --gray-100:    #EDF2F7;
  --gray-200:    #E2E8F0;
  --gray-300:    #CBD5E0;
  --gray-400:    #A0AEC0;
  --gray-500:    #718096;
  --gray-600:    #4A5568;
  --gray-700:    #2D3748;
  --gray-800:    #1A202C;
  --gray-900:    #171923;
  --green:       #38A169;
  --green-light: #F0FFF4;
  --blue:        #2563EB;
  --blue-light:  #EBF8FF;
  --gold:        #D69E2E;
  --whatsapp:    #25D366;
  --shadow-sm:   0 1px 3px rgba(0,0,0,0.06);
  --shadow-md:   0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg:   0 8px 30px rgba(0,0,0,0.10);
  --shadow-xl:   0 12px 40px rgba(0,0,0,0.12);
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --transition:  0.25s ease;
}

/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans', Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.65;
  color: var(--gray-700);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  padding-top: 72px;
  overflow-x: hidden;
}

/* === Typography === */
h1, h2, h3, h4, h5, h6 { color: var(--gray-900); line-height: 1.25; }
h1 { font-weight: 900; letter-spacing: -0.5px; }
h2 { font-weight: 800; letter-spacing: -0.3px; }
h3 { font-weight: 700; }
a { color: var(--navy); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--orange); }
img { max-width: 100%; height: auto; display: block; }

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

/* === Section === */
.section {
  padding: 72px 24px;
}
.section-gray {
  padding: 72px 24px;
  background: var(--gray-50);
}
.section-navy {
  padding: 72px 24px;
  background: var(--navy);
  color: var(--white);
}
.section-navy h2, .section-navy h3 { color: var(--white); }

/* === Section Labels & Titles === */
.sec-label {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--orange);
  margin-bottom: 10px;
}
.sec-title {
  font-size: 2rem;
  font-weight: 900;
  color: var(--navy-dark);
  margin-bottom: 8px;
}
.sec-sub {
  font-size: 1.05rem;
  color: var(--gray-500);
  max-width: 700px;
  margin-bottom: 40px;
  line-height: 1.6;
}
.text-center { text-align: center; }
.text-center .sec-sub { margin-left: auto; margin-right: auto; }

/* === Grid Systems === */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all var(--transition);
  font-family: 'Roboto', sans-serif;
  white-space: nowrap;
}
.btn-orange { background: var(--orange); color: var(--white); }
.btn-orange:hover { background: var(--orange-hover); transform: translateY(-1px); box-shadow: 0 4px 14px rgba(221,107,32,0.35); color: var(--white); }
.btn-white { background: var(--white); color: var(--navy); }
.btn-white:hover { background: var(--gray-50); transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--navy); border: 2px solid var(--navy); }
.btn-outline:hover { background: var(--navy); color: var(--white); }
.btn-sm { padding: 9px 18px; font-size: 0.85rem; }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }
.btn-full { width: 100%; }

/* === Cards === */
.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
.card-img {
  height: 200px;
  overflow: hidden;
  background: var(--gray-100);
}
.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.card:hover .card-img img { transform: scale(1.04); }
.card-body { padding: 22px; }
.card-body h3 { font-size: 1.1rem; font-weight: 700; color: var(--navy); margin-bottom: 6px; }
.card-body p { color: var(--gray-500); font-size: 0.9rem; line-height: 1.55; margin-bottom: 12px; }
.card-body .card-link { font-weight: 700; font-size: 0.88rem; display: inline-flex; align-items: center; gap: 6px; }
.card-body .card-link:hover { gap: 10px; }

/* === Tags === */
.tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.76rem;
  font-weight: 600;
  margin: 2px 4px 2px 0;
}
.tag-orange { background: var(--orange-light); color: var(--orange); }
.tag-blue { background: var(--blue-light); color: var(--blue); }
.tag-green { background: var(--green-light); color: var(--green); }

/* === Tables === */
.table-wrapper { overflow-x: auto; margin: 24px 0; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th {
  background: var(--navy);
  color: var(--white);
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  white-space: nowrap;
}
td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--gray-100);
  color: var(--gray-700);
}
tr:nth-child(even) td { background: var(--gray-50); }
tr:hover td { background: var(--blue-light); }
.table-note {
  font-size: 0.82rem;
  color: var(--gray-500);
  margin-top: 12px;
  line-height: 1.6;
}

/* === Navigation === */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--gray-200);
  height: 72px;
}
.nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.nav-logo {
  font-size: 1.28rem;
  font-weight: 900;
  color: var(--navy);
  text-decoration: none;
  letter-spacing: -0.3px;
  white-space: nowrap;
  flex-shrink: 0;
}
.nav-logo span { color: var(--orange); margin-right: 16px; }
.nav-links { display: flex; align-items: center; gap: 8px; list-style: none; }
.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray-700);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
}
.nav-links a:hover { color: var(--navy); background: var(--gray-50); }
.nav-cta {
  background: var(--orange) !important;
  color: var(--white) !important;
  font-weight: 700 !important;
  padding: 6px 16px !important;
  font-size: 0.85rem !important;
  line-height: 1.4 !important;
  display: inline-flex;
  align-items: center;
  white-space: nowrap !important;
  border-radius: var(--radius-md) !important;
}
.nav-cta:hover { background: var(--orange-hover) !important; color: var(--white) !important; }

/* === Language Switcher === */
.lang-switch { position: relative; margin-left: 4px; }
.lang-btn {
  background: none; border: 1px solid var(--gray-200); border-radius: var(--radius-sm);
  padding: 6px 10px; font-size: 0.88rem; cursor: pointer; color: var(--gray-700);
  display: flex; align-items: center; gap: 4px; font-family: 'Roboto', sans-serif;
}
.lang-btn:hover { border-color: var(--gray-400); }
.lang-dropdown {
  display: none; position: absolute; top: 100%; right: 0; margin-top: 4px;
  background: var(--white); border: 1px solid var(--gray-200); border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg); min-width: 180px; z-index: 200; overflow: hidden;
}
.lang-dropdown.show { display: block; }
.lang-dropdown a {
  display: block; padding: 10px 16px; font-size: 0.85rem; color: var(--gray-700);
  text-decoration: none; border-bottom: 1px solid var(--gray-50); transition: background var(--transition);
}
.lang-dropdown a:hover { background: var(--gray-50); color: var(--navy); }
.lang-dropdown a:last-child { border-bottom: none; }

/* === Navigation Dropdown Menus === */
.nav-has-dropdown {
  position: relative;
}
.nav-arrow {
  font-size: 0.65rem;
  margin-left: 3px;
  opacity: 0.6;
  transition: transform var(--transition);
}
.nav-has-dropdown:hover .nav-arrow {
  transform: rotate(180deg);
  opacity: 1;
}
.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 260px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  box-shadow: 0 12px 40px rgba(0,0,0,0.12);
  z-index: 200;
  padding: 10px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all 0.2s ease;
}
.nav-has-dropdown:hover .nav-dropdown-menu {
  display: block;
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-dd-group {
  padding: 8px 18px 4px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--gray-400);
  border-bottom: 1px solid var(--gray-100);
  margin-bottom: 2px;
}
.nav-dropdown-menu a {
  display: block;
  padding: 8px 20px;
  font-size: 0.84rem;
  color: var(--gray-700);
  text-decoration: none;
  transition: all var(--transition);
  white-space: nowrap;
}
.nav-dropdown-menu a:hover {
  color: var(--orange);
  background: var(--gray-50);
}

/* === Compact Nav for Laptops (1025-1200px) === */
/* Keep full nav visible but reduce spacing to fit comfortably */
@media (max-width: 1200px) and (min-width: 1025px) {
  .nav-inner { padding: 0 20px; }
  .nav-links { gap: 2px; }
  .nav-links a { font-size: 0.85rem; padding: 6px 10px; }
  .nav-cta { padding: 4px 12px !important; font-size: 0.82rem !important; }
}

/* === Mobile Nav Adjustments (≤1024px) === */
@media (max-width: 1024px) {
  /* Disable hover-based dropdown on mobile - use click only */
  .nav-has-dropdown:hover .nav-dropdown-menu {
    display: none !important;
    opacity: 0 !important;
    visibility: hidden !important;
  }
  .nav-has-dropdown:hover .nav-arrow {
    transform: none !important;
    opacity: 0.6 !important;
  }
  /* Keep active state for click-opened dropdowns - use !important to beat hover */
  .nav-has-dropdown.active > .nav-dropdown-menu,
  .nav-has-dropdown.active .nav-dropdown-menu {
    display: block !important;
    opacity: 1 !important;
    visibility: visible !important;
    transform: none !important;
  }
  .nav-has-dropdown.active > a .nav-arrow,
  .nav-has-dropdown.active .nav-arrow {
    transform: rotate(180deg) !important;
    opacity: 1 !important;
  }

  .nav-dropdown-menu {
    display: none; position: static; background: var(--gray-50); border: none;
    box-shadow: none; padding: 0; margin-left: 24px; border-radius: 0;
    opacity: 1 !important; visibility: visible !important; transform: none !important; transition: none;
  }
  .nav-dropdown-menu.show {
    display: block !important;
    animation: slideDown 0.2s ease;
  }
  @keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
  }
  .nav-dropdown-menu a {
    padding: 10px 16px; border-radius: 4px; font-size: 0.88rem;
  }
  .nav-dd-group {
    padding: 10px 16px 6px; font-weight: 600; color: var(--gray-500); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.03em;
  }
  .nav-dd-sep {
    margin: 4px 0; border-top: 1px solid var(--gray-200);
  }
  .nav-has-dropdown.active > a {
    color: var(--orange);
    background: var(--gray-50);
  }
}


/* === Hamburger === */
.hamburger {
  display: none; flex-direction: column; gap: 4px; background: none; border: none;
  cursor: pointer; padding: 8px; z-index: 101;
}
.hamburger span {
  display: block; width: 22px; height: 2px; background: var(--gray-700);
  border-radius: 2px; transition: all var(--transition);
}
.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translateY(6px);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translateY(-6px);
}

/* === Page Banner (Full-Width Hero for All Pages) === */
.page-banner {
  position: relative;
  min-height: 380px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.page-banner-bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.35;
}
.page-banner-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(15,36,64,0.92) 0%, rgba(15,36,64,0.78) 50%, rgba(15,36,64,0.40) 100%);
}
.page-banner-content {
  position: relative; z-index: 1; max-width: 1200px; margin: 0 auto;
  padding: 0 24px; width: 100%;
}
.page-banner-content h1 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 900;
  color: var(--white);
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}
.page-banner-content p {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.85);
  max-width: 650px;
  line-height: 1.6;
  margin: 0;
}

/* === Hero (generic page hero — legacy) === */
.page-hero {
  background: var(--navy);
  color: var(--white);
  padding: 64px 24px;
  text-align: center;
}
.page-hero h1 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 900;
  color: var(--white);
  max-width: 800px;
  margin: 0 auto 12px;
}
.page-hero p {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.80);
  max-width: 650px;
  margin: 0 auto;
  line-height: 1.6;
}

/* === Homepage Hero === */
.hero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background: url('../images/press-hn.jpg') center/cover no-repeat;
  opacity: 0.45;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(15,36,64,0.92) 0%, rgba(15,36,64,0.78) 50%, rgba(15,36,64,0.35) 100%);
}
.hero-content {
  position: relative; z-index: 1; max-width: 1200px; margin: 0 auto;
  padding: 0 24px; max-width: 560px;
}
.hero-content h1 {
  font-size: clamp(1.6rem, 3.5vw, 2.8rem);
  font-weight: 900;
  color: var(--white);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}
.hero-content p {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 28px;
  line-height: 1.6;
}
.hero-buttons { display: flex; gap: 14px; flex-wrap: wrap; }

/* === Breadcrumb === */
.breadcrumb {
  padding: 16px 24px;
  font-size: 0.85rem;
  color: var(--gray-500);
  max-width: 1200px;
  margin: 0 auto;
}
.breadcrumb a { color: var(--gray-500); text-decoration: none; }
.breadcrumb a:hover { color: var(--orange); }
.breadcrumb span { color: var(--gray-700); font-weight: 500; }

/* === Product Hero (2-col) === */
.prod-hero {
  background: var(--gray-50);
  padding: 48px 24px;
}
.prod-hero .container { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.prod-hero-left h1 { font-size: 2rem; font-weight: 800; color: var(--navy); margin-bottom: 12px; }
.prod-hero-left > p { font-size: 1.1rem; color: var(--gray-500); margin-bottom: 20px; line-height: 1.6; }
.prod-hero-right img { border-radius: var(--radius-md); box-shadow: var(--shadow-md); }

.feat-list { list-style: none; margin-bottom: 24px; }
.feat-list li {
  padding: 7px 0 7px 28px;
  position: relative;
  color: var(--gray-700);
  font-size: 0.93rem;
  line-height: 1.55;
}
.feat-list li::before {
  content: '';
  position: absolute; left: 0; top: 13px;
  width: 8px; height: 8px;
  background: var(--orange);
  border-radius: 2px;
}

/* === Factory Section (2-col img + list) === */
.factory-section { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.factory-section img { border-radius: var(--radius-md); box-shadow: var(--shadow-md); }
.factory-list { list-style: none; }
.factory-list li { padding: 10px 0; border-bottom: 1px solid var(--gray-100); }
.factory-list li:last-child { border-bottom: none; }
.factory-list strong { display: block; color: var(--navy); font-size: 0.95rem; margin-bottom: 3px; }
.factory-list span { font-size: 0.85rem; color: var(--gray-500); }

/* === CTA Banner === */
.cta-banner {
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius-md);
  padding: 44px;
  text-align: center;
  margin: 32px auto;
  max-width: 1200px;
}
.cta-banner h2 { color: var(--white); font-size: 1.6rem; margin-bottom: 8px; }
.cta-banner p { color: rgba(255,255,255,0.88); font-size: 0.95rem; margin-bottom: 20px; }

/* === Stats Row (About page) === */
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin: 32px 0; }
.stat-item {
  background: var(--gray-50);
  padding: 28px;
  border-radius: var(--radius-md);
  text-align: center;
  transition: box-shadow var(--transition);
}
.stat-item:hover { box-shadow: var(--shadow-md); }
.stat-num {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--orange);
  margin-bottom: 4px;
}
.stat-label { font-size: 0.88rem; color: var(--gray-500); font-weight: 500; }

/* === Tabs === */
.tabs { display: flex; gap: 0; margin-bottom: 28px; border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--gray-200); }
.tab-btn {
  flex: 1; padding: 14px 20px; background: var(--white); border: none; cursor: pointer;
  font-size: 0.9rem; font-weight: 600; color: var(--gray-500);
  transition: all var(--transition); font-family: 'Roboto', sans-serif;
}
.tab-btn:first-child { border-right: 1px solid var(--gray-200); }
.tab-btn.active { background: var(--orange); color: var(--white); }
.tab-btn.cold-active.active { background: var(--blue); color: var(--white); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* === Process Steps === */
.process-steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; margin: 24px 0; }
.step-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  text-align: center;
  transition: box-shadow var(--transition);
}
.step-card:hover { box-shadow: var(--shadow-md); }
.step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 50%; background: var(--navy);
  color: var(--white); font-weight: 700; font-size: 1rem; margin-bottom: 12px;
}
.step-card h4 { font-size: 0.95rem; font-weight: 700; color: var(--navy); margin-bottom: 6px; }
.step-card p { font-size: 0.82rem; color: var(--gray-500); line-height: 1.5; }

/* === FAQ === */
.faq { margin: 32px 0; }
.faq-item { border-bottom: 1px solid var(--gray-200); padding: 18px 0; }
.faq-item:first-child { border-top: 1px solid var(--gray-200); }
.faq-q { font-weight: 700; color: var(--navy); font-size: 1rem; margin-bottom: 6px; }
.faq-a { color: var(--gray-600); font-size: 0.92rem; line-height: 1.6; }

/* === Case Story Card === */
.case-card {
  background: var(--gray-50);
  border-left: 4px solid var(--orange);
  padding: 24px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 12px 0;
}
.case-card h4 { color: var(--navy); margin-bottom: 8px; }
.case-card p { font-size: 0.9rem; color: var(--gray-700); line-height: 1.6; }

/* === Contact Form === */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.whatsapp-card {
  background: var(--gray-50);
  padding: 32px;
  border-radius: var(--radius-md);
  text-align: center;
  margin-bottom: 24px;
}
.whatsapp-card h3 { color: var(--navy); margin-bottom: 8px; }
.whatsapp-num { font-size: 2rem; font-weight: 800; color: var(--orange); margin: 12px 0 8px; }
.whatsapp-note { font-size: 0.85rem; color: var(--gray-500); margin-bottom: 16px; }
.whatsapp-btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--whatsapp); color: var(--white); padding: 12px 28px;
  border-radius: var(--radius-sm); font-weight: 700; font-size: 0.95rem; text-decoration: none;
  transition: all var(--transition);
}
.whatsapp-btn:hover { opacity: 0.9; transform: translateY(-1px); color: var(--white); }

/* === Contact Info Card === */
.contact-info-card {
  background: var(--white);
  border-radius: 8px;
  padding: 0;
  margin-top: 16px;
  overflow: hidden;
  border: none;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.ci-email-section {
  background: #f8f9fa;
  padding: 16px 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--navy);
}
.ci-email-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--orange);
  text-decoration: none;
  word-break: break-all;
  padding: 10px 22px;
  border-radius: 50px;
  border: 1.5px solid var(--orange);
  background: transparent;
  transition: all var(--transition);
}
.ci-email-link:hover {
  background: var(--orange);
  color: var(--white);
  transform: translateY(-1px);
}
.ci-email-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}
.ci-divider {
  height: 1px;
  background: var(--gray-200);
  margin: 0;
}
.ci-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}
.ci-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  transition: background var(--transition);
}
.ci-item:hover { background: rgba(26,54,93,0.04); }
.ci-icon {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  flex-shrink: 0;
}
.ci-icon-whatsapp { background: var(--whatsapp); }
.ci-icon-wechat { background: #07C160; }
.ci-info {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
}
.ci-label {
  display: inline-block;
  font-size: 0.65rem;
  color: var(--gray-600);
  background: var(--gray-100);
  padding: 2px 8px;
  border-radius: 10px;
  margin-bottom: 4px;
  align-self: flex-start;
}
.ci-value-row {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.ci-value {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--navy);
  text-decoration: none;
}
a.ci-value:hover { color: var(--orange); }
.ci-copy-btn {
  background: none;
  border: 1px solid var(--orange);
  color: var(--orange);
  padding: 1px 7px;
  border-radius: var(--radius-sm);
  font-size: 0.68rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  line-height: 1.4;
}
.ci-copy-btn:hover {
  background: var(--orange);
  color: var(--white);
}
.ci-copy-btn.copied {
  background: #28a745;
  border-color: #28a745;
  color: var(--white);
}
@media (max-width: 600px) {
  .ci-email-link { font-size: 0.95rem; padding: 8px 16px; }
  .ci-row { grid-template-columns: 1fr; }
  .ci-item { padding: 10px 14px; }
  .ci-icon { width: 30px; height: 30px; }
}

.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-weight: 600; color: var(--gray-700); margin-bottom: 6px; font-size: 0.9rem; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 11px 14px; border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm); font-size: 0.92rem; color: var(--gray-700);
  background: var(--white); transition: border-color var(--transition);
  font-family: 'Roboto', sans-serif;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--navy); box-shadow: 0 0 0 3px rgba(26,54,93,0.10);
}
.form-group textarea { resize: vertical; min-height: 100px; }

/* Form two-column layout */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 16px;
  margin-bottom: 18px;
}
.form-row .form-group {
  margin-bottom: 0;
}
@media (max-width: 600px) {
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

.process-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 28px;
}
.process-card h3 { color: var(--navy); margin-bottom: 16px; }
.process-card ol { padding-left: 20px; }
.process-card ol li { padding: 6px 0; color: var(--gray-700); font-size: 0.92rem; line-height: 2.2; }

/* === Fraud Warning === */
.fraud-warning {
  background: #FFFBEB;
  border-left: 4px solid var(--orange);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  margin-top: 24px;
}
.fraud-warning strong { color: var(--orange); }
.fraud-warning p { font-size: 0.88rem; color: var(--gray-700); margin-top: 6px; line-height: 1.5; }

/* === Footer === */
.footer {
  background: var(--navy-dark);
  color: rgba(255,255,255,0.7);
  padding: 56px 24px 32px;
}
.footer-grid {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
}
.footer-col h4 {
  color: var(--gold); font-weight: 700; font-size: 0.95rem;
  margin-bottom: 16px; text-transform: uppercase; letter-spacing: 0.5px;
}
.footer-col p { font-size: 0.88rem; line-height: 1.6; margin-bottom: 12px; }
.footer-col a { display: block; color: rgba(255,255,255,0.55); font-size: 0.85rem; padding: 4px 0; text-decoration: none; transition: color var(--transition); }
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  text-align: center; font-size: 0.82rem; color: rgba(255,255,255,0.4);
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px; margin-top: 32px; max-width: 1200px; margin-left: auto; margin-right: auto;
}

/* === Chat Widget === */
.chat-widget-fab {
  position: fixed; bottom: 24px; right: 24px; z-index: 999;
  width: 58px; height: 58px; background: var(--whatsapp, #25D366); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 18px rgba(37,211,102,0.35);
  transition: transform var(--transition);
  cursor: pointer;
  border: none;
  padding: 0;
}
.chat-widget-fab:hover { transform: scale(1.08); }
.chat-widget-fab svg { width: 28px; height: 28px; fill: var(--white); }

/* Chat panel popup */
.chat-widget-panel {
  position: fixed;
  bottom: 94px;
  right: 24px;
  width: 300px;
  max-width: calc(100vw - 48px);
  background: var(--white);
  border-radius: 16px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.18);
  z-index: 998;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px) scale(0.96);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
  font-family: inherit;
}
.chat-widget-panel.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

/* RTL support */
[dir="rtl"] .chat-widget-fab { right: auto; left: 24px; }
[dir="rtl"] .chat-widget-panel { right: auto; left: 24px; }

.chat-widget-header {
  background: var(--navy, #1a365d);
  color: var(--white);
  padding: 16px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.chat-widget-header h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: #fff !important;
}
.chat-widget-close {
  background: none;
  border: none;
  color: var(--white);
  cursor: pointer;
  font-size: 1.5rem;
  line-height: 1;
  padding: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.8;
  transition: opacity 0.2s;
}
.chat-widget-close:hover { opacity: 1; }

.chat-widget-body {
  padding: 8px;
}

.chat-contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 14px;
  border-radius: 12px;
  cursor: pointer;
  transition: background 0.2s;
  text-decoration: none;
  color: inherit;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}
.chat-contact-item:hover { background: var(--gray-50, #f7fafc); }
.chat-contact-icon {
  width: 44px; height: 44px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.chat-contact-icon svg { width: 22px; height: 22px; }
.chat-contact-icon.email { background: #FEF3C7; color: #D97706; }
.chat-contact-icon.wechat { background: #D1FAE5; color: #059669; }
.chat-contact-icon.whatsapp { background: #D1FAE5; color: #25D366; }

.chat-contact-text { flex: 1; min-width: 0; }
.chat-contact-text .c-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--navy, #1a365d);
  margin-bottom: 2px;
}
.chat-contact-text .c-sub {
  font-size: 0.8rem;
  color: var(--gray-500, #718096);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* WeChat expandable section */
.chat-wechat-expand {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, margin-top 0.3s ease;
}
.chat-wechat-expand.show {
  max-height: 120px;
  margin-top: 4px;
}
.chat-wechat-inner {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--gray-50, #f7fafc);
  border-radius: 10px;
  margin: 0 6px 10px;
}
.chat-wechat-id {
  flex: 1;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--navy, #1a365d);
  letter-spacing: 0.5px;
}
.chat-wechat-copy {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  background: var(--orange, #DD6B20);
  color: var(--white);
  border: none;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}
.chat-wechat-copy:hover { background: var(--orange-hover, #C0561A); }
.chat-wechat-copy svg { width: 14px; height: 14px; }
.chat-wechat-copy.copied {
  background: var(--green, #38A169);
  pointer-events: none;
}

/* Toast message after copy */
.chat-widget-toast {
  position: fixed;
  bottom: 160px;
  right: 24px;
  background: var(--green, #38A169);
  color: var(--white);
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
  z-index: 1000;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
}
.chat-widget-toast.show {
  opacity: 1;
  transform: translateY(0);
}
[dir="rtl"] .chat-widget-toast { right: auto; left: 24px; }

/* Scroll Fade-in */
.fade-in { opacity: 1; transform: translateY(0); transition: opacity 0.6s ease, transform 0.6s ease; }
@media (min-width: 768px) { .fade-in { opacity: 1; transform: translateY(24px); } .fade-in.visible { transform: translateY(0); } }
/* === Solution Cards (colored top border) === */
.solution-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.solution-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.solution-card h3 { color: var(--navy); margin-bottom: 10px; }
.solution-card p { font-size: 0.9rem; color: var(--gray-500); margin-bottom: 8px; line-height: 1.55; }
.solution-card .price { font-weight: 700; color: var(--orange); font-size: 1.1rem; margin: 12px 0; }
.border-green { border-top: 4px solid var(--green); }
.border-blue { border-top: 4px solid var(--blue); }
.border-orange { border-top: 4px solid var(--orange); }

/* === Equipment Card === */
.equip-section { margin-bottom: 40px; }
.equip-section h3 { color: var(--navy); font-size: 1.2rem; margin-bottom: 20px; padding-bottom: 10px; border-bottom: 2px solid var(--gray-100); }
.equip-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 24px;
}
.equip-card h4 { color: var(--navy); font-size: 1.05rem; margin-bottom: 12px; }
.equip-card ul { list-style: none; }
.equip-card ul li { font-size: 0.88rem; color: var(--gray-600); padding: 3px 0; }
.equip-card ul li::before { content: '• '; color: var(--orange); font-weight: bold; }

/* === Blog Cards === */
.blog-card .card-body time { font-size: 0.78rem; color: var(--gray-400); margin-bottom: 8px; display: block; }
.blog-content { max-width: 800px; margin: 0 auto; padding: 32px 0; }
.blog-content h2 { color: var(--navy); font-size: 1.5rem; margin: 36px 0 12px; }
.blog-content h3 { color: var(--navy); font-size: 1.2rem; margin: 28px 0 10px; }
.blog-content p { margin-bottom: 16px; line-height: 1.75; }
.blog-content ul, .blog-content ol { padding-left: 24px; margin-bottom: 16px; }
.blog-content li { padding: 4px 0; line-height: 1.65; }
.blog-content table { margin: 20px 0; }
.blog-meta { color: var(--gray-400); font-size: 0.85rem; margin-bottom: 24px; padding-bottom: 16px; border-bottom: 1px solid var(--gray-100); }

/* === Page Layout with Sidebar === */
.page-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 32px;
  align-items: start;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 16px;
}
.page-sidebar {
  position: sticky;
  top: 88px; /* 72px nav + 16px gap */
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 20px 0;
}
.sidebar-group {
  padding: 0 16px;
  margin-bottom: 8px;
}
.sidebar-group-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--gray-400);
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--gray-100);
}
.sidebar-link {
  display: block;
  padding: 7px 12px;
  font-size: 0.85rem;
  color: var(--gray-600);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  line-height: 1.4;
  margin-bottom: 2px;
}
.sidebar-link:hover {
  color: var(--navy);
  background: var(--gray-50);
}
.sidebar-link.active {
  color: var(--orange);
  font-weight: 700;
  background: var(--orange-light);
}
.sidebar-link.sub {
  padding-left: 24px;
  font-size: 0.82rem;
}
.page-main { min-width: 0; }

/* === Product Model Card (spec overview) === */
.model-card {
  display: grid;
  grid-template-columns: 200px 1fr auto;
  gap: 20px;
  align-items: center;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 16px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.model-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.model-card img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--gray-100);
}
.model-info h3 {
  font-size: 1.05rem;
  color: var(--navy);
  margin-bottom: 8px;
}
.model-info p {
  font-size: 0.85rem;
  color: var(--gray-500);
  line-height: 1.55;
  margin-bottom: 10px;
}
.model-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  font-size: 0.78rem;
  color: var(--gray-600);
}
.model-specs span {
  white-space: nowrap;
}
.model-specs strong {
  color: var(--navy);
}
.model-action {
  text-align: center;
  min-width: 110px;
}
.model-action a {
  display: inline-block;
  padding: 9px 18px;
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--navy);
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  transition: all var(--transition);
  white-space: nowrap;
}
.model-action a:hover {
  background: var(--navy);
  color: var(--white);
}

/* === Equipment Product Card === */
.equip-product-card {
  display: grid;
  grid-template-columns: 180px 1fr auto;
  gap: 20px;
  align-items: center;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 14px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.equip-product-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.equip-product-card img {
  width: 100%;
  height: 130px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid var(--gray-100);
}
.equip-product-info h3 { font-size: 1rem; color: var(--navy); margin-bottom: 6px; }
.equip-product-info p { font-size: 0.82rem; color: var(--gray-500); line-height: 1.5; }
.equip-spec-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 8px;
}
.equip-product-action {
  text-align: center;
  min-width: 100px;
}
.equip-product-action a {
  display: inline-block;
  padding: 8px 16px;
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--navy);
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.82rem;
  text-decoration: none;
  transition: all var(--transition);
  white-space: nowrap;
}
.equip-product-action a:hover { background: var(--navy); color: var(--white); }

/* === Comparison Table (How to Choose) === */
.compare-section { margin: 48px 0; }
.compare-table { width: 100%; border-collapse: separate; border-spacing: 0; }
.compare-table th {
  background: var(--navy); color: var(--white); padding: 14px 16px;
  font-size: 0.88rem; text-align: left;
}
.compare-table td {
  padding: 12px 16px; border-bottom: 1px solid var(--gray-100);
  font-size: 0.87rem; color: var(--gray-700);
}
.compare-table tr:nth-child(even) td { background: var(--gray-50); }
.compare-table tr:hover td { background: var(--blue-light); }
.compare-table .rec-badge {
  display: inline-block;
  background: var(--orange); color: var(--white);
  font-size: 0.7rem; font-weight: 700; padding: 2px 8px;
  border-radius: 10px; margin-left: 6px;
}

/* === Detail Page Hero (product spec page) === */
.detail-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
  margin-bottom: 36px;
}
.detail-hero img {
  width: 100%;
  position: sticky;
  top: 80px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
}
.detail-hero-info h1 {
  font-size: 1.65rem;
  font-weight: 900;
  color: var(--navy-dark);
  margin-bottom: 12px;
}
.detail-hero-info > p {
  font-size: 0.95rem;
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: 18px;
}
.detail-features {
  list-style: none;
  margin-bottom: 20px;
}
.detail-features li {
  padding: 6px 0 6px 22px;
  position: relative;
  font-size: 0.9rem;
  color: var(--gray-700);
  line-height: 1.5;
}
.detail-features li::before {
  content: '✓';
  position: absolute; left: 0; top: 6px;
  color: var(--green); font-weight: 700; font-size: 0.95rem;
}
.detail-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* === Responsive: Sidebar Layout === */
@media (max-width: 900px) {
  .page-layout { grid-template-columns: 1fr; }
  .page-sidebar { position: static; max-height: none; margin-bottom: 24px; }
  .model-card { grid-template-columns: 140px 1fr; }
  .model-card .model-action { grid-column: 1 / -1; text-align: left; }
  .equip-product-card { grid-template-columns: 130px 1fr; }
  .equip-product-card .equip-product-action { grid-column: 1 / -1; text-align: left; }
  .detail-hero { grid-template-columns: 1fr; }
  .detail-hero img { position: static; }
}

@media (max-width: 480px) {
  .model-card { grid-template-columns: 1fr; }
  .model-card img { height: 180px; }
  .model-action { text-align: left; }
  .equip-product-card { grid-template-columns: 1fr; }
  .equip-product-card img { height: 170px; }
}

/* === Seed card (icon variant) === */
.seed-card-icon {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  transition: box-shadow var(--transition), transform var(--transition);
  text-decoration: none;
  display: block;
}
.seed-card-icon:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.seed-card-icon .seed-icon {
  width: 56px; height: 56px; background: var(--gray-50); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 12px; font-size: 1.6rem;
}
.seed-card-icon h3 { color: var(--navy); font-size: 1rem; margin-bottom: 6px; }
.seed-card-icon p { font-size: 0.82rem; color: var(--gray-500); line-height: 1.45; }

/* === Responsive: Page Banner === */
@media (max-width: 768px) {
  .page-banner { min-height: 300px; }
  .page-banner-content h1 { font-size: 1.4rem; }
  .page-banner-content p { font-size: 0.9rem; }
}

/* === Responsive: Tablet & Mobile Nav Overlay (≤1024px) === */
/* Show hamburger at 1024px to keep generous spacing on standard 1366px laptops */
@media (max-width: 1024px) {
  /* Mobile nav overlay */
  .nav-links {
    display: none; position: fixed; top: 72px; left: 0; right: 0;
    background: var(--white); flex-direction: column; padding: 12px 0;
    border-bottom: 1px solid var(--gray-200); box-shadow: var(--shadow-lg);
    gap: 2px;
    max-height: calc(100vh - 72px); overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .nav-links.show { display: flex; }
  .nav-links > li { width: 100%; }
  .nav-links a { padding: 12px 24px; border-radius: 0; font-size: 0.95rem; }
  .nav-links .nav-cta { margin: 8px 16px; border-radius: var(--radius-md); text-align: center; }
  .nav-links .lang-switch { margin: 8px 16px 4px; position: static; }
  .nav-links .lang-btn { width: 100%; justify-content: center; }
  .nav-links .lang-dropdown {
    position: static; box-shadow: none; border: 1px solid var(--gray-200); margin-top: 4px;
    opacity: 1; visibility: visible; transform: none; display: none;
  }
  .nav-links .lang-dropdown.show { display: block; opacity: 1; visibility: visible; transform: none; }
  .hamburger { display: flex; }
  /* Accordion arrow rotation */
  .nav-has-dropdown .nav-arrow { display: inline-block; transition: transform 0.2s ease; font-size: 0.7rem; }
  .nav-has-dropdown.active .nav-arrow { transform: rotate(180deg); }
}

/* === Responsive: Tablet (≤768px) === */
@media (max-width: 768px) {
  .section, .section-gray, .section-navy { padding: 48px 20px; }
  .sec-title { font-size: 1.55rem; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .grid-auto { grid-template-columns: 1fr; }
  .hero { min-height: 400px; }
  .hero-content { max-width: 100%; }
  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { width: 100%; }
  .prod-hero .container { grid-template-columns: 1fr; }
  .factory-section { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-banner { padding: 28px 20px; margin: 24px 0; }
  .cta-banner h2 { font-size: 1.3rem; }
}

/* === Responsive: Mobile (≤480px) === */
@media (max-width: 480px) {
  .section, .section-gray, .section-navy { padding: 36px 16px; }
  .sec-title { font-size: 1.3rem; }
  .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }
  .tabs { flex-direction: column; }
  .tab-btn:first-child { border-right: none; border-bottom: 1px solid var(--gray-200); }
  .whatsapp-num { font-size: 1.5rem; }
}


/* === Enhanced Mobile: Page Layout with Sidebar === */
@media (max-width: 900px) {
  .page-layout {
    grid-template-columns: 1fr;
  }
  .page-sidebar {
    position: static;
    max-height: none;
    margin-bottom: 24px;
    width: 100%;
  }
  .sidebar-group {
    margin-bottom: 8px;
  }
  .sidebar-group-title {
    font-size: 0.85rem;
    padding: 8px 12px;
  }
  .sidebar-link {
    padding: 8px 14px;
    font-size: 0.88rem;
  }
  .detail-hero {
    grid-template-columns: 1fr;
  }
  .detail-hero img {
    max-height: 280px;
    width: 100%;
  }
  .model-card {
    grid-template-columns: 160px 1fr auto;
    gap: 12px;
  }
  .model-card img {
    height: 140px;
  }
  .compare-table {
    font-size: 0.82rem;
  }
  .compare-table th,
  .compare-table td {
    padding: 8px 6px;
  }
  /* Hide less important compare columns on very small screens */
}
@media (max-width: 480px) {
  .page-banner {
    min-height: 240px;
  }
  .page-banner-content h1 {
    font-size: 1.25rem;
  }
  .model-card {
    grid-template-columns: 1fr;
  }
  .model-card img {
    height: 200px;
  }
  .model-action {
    text-align: center;
  }
  .equip-product-card {
    grid-template-columns: 1fr;
  }
  .equip-product-card img {
    height: 180px;
  }
  .detail-features li {
    font-size: 0.88rem;
  }
  .table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  table {
    min-width: 500px;
  }
  .seed-card-icon {
    padding: 16px;
  }
}