/* ============================================
   Foshan Jin Yu Advertising Material Co., Ltd
   Global Stylesheet — B2B Factory Website
   ============================================ */

/* ---------- Google Fonts Import ---------- */
/* @import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Montserrat:wght@400;500;600;700;800;900&display=swap'); */

/* ---------- CSS Variables ---------- */
:root {
  --primary:       #0F3460;
  --primary-light: #1a4a7a;
  --accent-blue:   #165DFF;
  --highlight:     #4A90E2;
  --orange:        #E8751A;
  --white:         #FFFFFF;
  --gray-50:       #F8F9FA;
  --gray-100:      #F0F2F5;
  --gray-200:      #E5E8ED;
  --gray-300:      #C5CBD3;
  --gray-500:      #7A8499;
  --gray-700:      #3D4459;
  --dark:          #1A1F2E;
  --font-main:     'Inter', 'Montserrat', sans-serif;
  --radius:        8px;
  --radius-lg:     14px;
  --shadow-sm:     0 2px 8px rgba(15,52,96,0.08);
  --shadow-md:     0 4px 20px rgba(15,52,96,0.12);
  --shadow-lg:     0 8px 40px rgba(15,52,96,0.18);
  --transition:    0.25s ease;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; overflow-x: hidden; }
body {
  font-family: var(--font-main);
  color: var(--dark);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  max-width: 100vw;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ---------- Utility ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(16px, 3vw, 24px);
}

/* ---------- Social Icons Hover Effect ---------- */
.social-icon-link:hover {
  background: rgba(255, 255, 255, 0.25) !important;
  color: rgba(255, 255, 255, 1) !important;
  transform: translateY(-2px) scale(1.08);
  box-shadow: 0 6px 16px rgba(255, 255, 255, 0.15);
}


/* Left-aligned container for desktop */
@media (min-width: 1025px) {
  .container {
    margin: 0;
    padding-left: clamp(24px, 4vw, 60px);
    max-width: none;
  }
  
  .hero .container,
  .section .container,
  .trust-bar .container {
    padding-left: clamp(24px, 4vw, 60px);
  }
}
.section { padding: clamp(48px, 8vw, 80px) 0; }
.section-sm { padding: clamp(36px, 6vw, 56px) 0; }
.text-center { text-align: center; }
.text-orange { color: var(--orange); }
.text-blue { color: var(--highlight); }
.bg-light { background: var(--gray-50); }
.bg-primary { background: var(--primary); }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-40 { margin-bottom: 40px; }
.mt-24 { margin-top: 24px; }

/* ---------- Section Header ---------- */
.section-header { 
  margin-bottom: clamp(28px, 5vw, 48px); 
  text-align: left;
}
.section-header .label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 10px;
}
.section-header h2 {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
  margin-bottom: 14px;
  text-align: left;
}
.section-header p {
  font-size: clamp(14px, 1.4vw, 16px);
  color: var(--gray-700);
  max-width: 700px;
  line-height: 1.7;
  text-align: left;
}
.section-header.center { text-align: center; }
.section-header.center h2 { text-align: center; }
.section-header.center p { text-align: center; margin: 0 auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: clamp(10px, 1.4vw, 13px) clamp(20px, 2.4vw, 28px);
  border-radius: var(--radius);
  font-size: clamp(13px, 1.2vw, 15px);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent-blue);
  color: var(--white);
  border-color: var(--accent-blue);
}
.btn-primary:hover {
  background: #0f4ce0;
  border-color: #0f4ce0;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(22,93,255,0.35);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.6);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--white);
}
.btn-outline-dark {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline-dark:hover {
  background: var(--primary);
  color: var(--white);
}
.btn-sm { padding: 9px 20px; font-size: 13px; }
.btn-lg { padding: clamp(12px, 1.6vw, 16px) clamp(24px, 3vw, 36px); font-size: clamp(14px, 1.3vw, 16px); }

/* ---------- Navigation ---------- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(15, 52, 96, 0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: all var(--transition);
}
.navbar.scrolled {
  background: rgba(10, 36, 68, 0.99);
  box-shadow: var(--shadow-lg);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
  overflow: visible;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 11px;
}
.nav-logo .logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #0F3460 0%, #1a4a7a 100%);
  box-shadow: 0 2px 8px rgba(15,52,96,0.3);
}
.nav-logo .logo-icon svg {
  width: 26px;
  height: 26px;
}
.nav-logo .logo-text { display: flex; flex-direction: column; }
.nav-logo .logo-name {
  font-size: 18px;
  font-weight: 800;
  color: white;
  font-family: 'Montserrat', sans-serif;
  line-height: 1.2;
  letter-spacing: 0.5px;
}
.nav-logo .logo-sub {
  font-size: 9px;
  color: rgba(255,255,255,0.55);
  letter-spacing: 1.5px;
  margin-top: 1px;
  text-transform: uppercase;
}
.nav-menu {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 2px;
  flex: 1;
  margin: 0 24px;
}
.nav-item { position: relative; }
.nav-link {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 8px 16px;
  color: rgba(255,255,255,0.85);
  font-size: 14px;
  font-weight: 500;
  border-radius: 6px;
  transition: all var(--transition);
  white-space: nowrap;
  flex-shrink: 0;
}
.nav-link:hover, .nav-link.active {
  color: white;
  background: rgba(255,255,255,0.1);
}
.nav-link svg { width: 12px; height: 12px; flex-shrink: 0; transition: transform var(--transition); }
.nav-item:hover .nav-link svg,
.nav-item.open .nav-link svg {
  transform: rotate(180deg);
}
.nav-item:hover .dropdown,
.nav-item.open .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* Dropdown */
.dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 260px;
  max-width: 300px;
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: all var(--transition);
  z-index: 200;
  border: 1px solid var(--gray-200);
}
.dropdown a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 12px 20px;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-700);
  transition: all var(--transition);
  word-wrap: break-word;
  white-space: normal;
  line-height: 1.5;
}
.dropdown a:hover {
  background: var(--gray-50);
  color: var(--accent-blue);
  padding-left: 24px;
}
.dropdown a.dd-active {
  color: var(--accent-blue);
  font-weight: 600;
  padding-left: 24px;
}
/* News category tabs (same style as product pcat-tab) */
.ncat-tab {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 24px; font-size: 13px; font-weight: 600;
  font-family: Montserrat, sans-serif; color: var(--gray-500);
  background: transparent; border: none; border-bottom: 3px solid transparent;
  cursor: pointer; white-space: nowrap;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
  flex-shrink: 0;
  min-height: 44px;
}
.ncat-tab:hover { color: var(--primary); background: rgba(37,99,235,.04); }
.ncat-tab.active { color: var(--primary); border-bottom-color: var(--primary); }
#ncatTabsScroll::-webkit-scrollbar { display: none; }
/* ---------- Nav Right Utilities ---------- */
.nav-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
/* Social icons */
.nav-social {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  transition: all var(--transition);
  text-decoration: none;
}
.nav-social-icon:hover { transform: translateY(-2px); }
.nav-social-icon svg { width: 18px; height: 18px; display: block; }
/* Facebook - brand color */
.nav-social-icon.facebook { background: #1877F2; }
.nav-social-icon.facebook svg { fill: white; }
/* TikTok - brand color */
.nav-social-icon.tiktok { background: #000000; }
.nav-social-icon.tiktok svg { fill: white; }
/* WhatsApp - brand color */
.nav-social-icon.whatsapp { background: #25D366; }
.nav-social-icon.whatsapp svg { fill: white; }
/* LinkedIn - brand color */
.nav-social-icon.linkedin { background: #0A66C2; }
.nav-social-icon.linkedin svg { fill: white; }
/* YouTube - brand color */
.nav-social-icon.youtube { background: #FF0000; }
.nav-social-icon.youtube svg { fill: white; }
/* Instagram - brand color */
.nav-social-icon.instagram { background: linear-gradient(135deg, #f09433, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888); }
.nav-social-icon.instagram svg { fill: white; }
/* Twitter/X - brand color */
.nav-social-icon.twitter { background: #000000; }
.nav-social-icon.twitter svg { fill: white; }
/* Pinterest - brand color */
.nav-social-icon.pinterest { background: #E60023; }
.nav-social-icon.pinterest svg { fill: white; }

/* Divider */
.nav-divider {
  width: 1px;
  height: 20px;
  background: rgba(255,255,255,0.2);
  margin: 0 4px;
}

/* Language switcher */
.nav-lang {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 6px 12px;
  border-radius: 6px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.18);
  color: rgba(255,255,255,0.85);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.nav-lang .lang-display {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-lang:hover {
  background: rgba(255,255,255,0.18);
  border-color: rgba(255,255,255,0.35);
  color: white;
}
.nav-lang svg { width: 13px; height: 13px; flex-shrink: 0; opacity: 0.8; }
.nav-lang .lang-code { font-weight: 600; letter-spacing: 0.5px; }
.nav-lang .lang-arrow {
  font-size: 8px;
  margin-left: 2px;
  opacity: 0.7;
}

/* Language dropdown */
.lang-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: white;
  border-radius: 8px;
  box-shadow: 0 8px 32px rgba(15,52,96,0.2);
  min-width: 160px;
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.2s ease;
  z-index: 2000;
  border: 1px solid var(--gray-200);
}
.navbar .lang-dropdown {
  top: calc(100% + 10px);
}
.lang-dropdown-arrow {
  position: absolute;
  top: -6px;
  right: 20px;
  width: 10px;
  height: 10px;
  background: white;
  border-left: 1px solid var(--gray-200);
  border-top: 1px solid var(--gray-200);
  transform: rotate(45deg);
}
.nav-lang.active .lang-dropdown,
.lang-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.lang-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  cursor: pointer;
  transition: all 0.15s ease;
  color: var(--gray-700);
  font-size: 13px;
  /* 重置button默认样式 */
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
  font-family: inherit;
  box-sizing: border-box;
}
.lang-option:hover {
  background: var(--gray-50);
}
.lang-option.active {
  background: rgba(22,93,255,0.08);
  color: var(--accent-blue);
  font-weight: 600;
}
.lang-option .lang-code {
  font-weight: 700;
  font-size: 11px;
  background: var(--gray-100);
  padding: 2px 6px;
  border-radius: 4px;
  min-width: 28px;
  text-align: center;
}
.lang-option.active .lang-code {
  background: var(--accent-blue);
  color: white;
}
.lang-option .lang-name {
  flex: 1;
}

/* Get a Quote CTA */
.nav-cta {
  margin-left: 6px;
  background: var(--accent-blue) !important;
  border-color: var(--accent-blue) !important;
  color: white !important;
  border-radius: 6px;
  padding: 8px 18px !important;
  font-size: 13px !important;
  font-weight: 600 !important;
  transition: all var(--transition);
}
.nav-cta:hover {
  background: #0f4ce0 !important;
  border-color: #0f4ce0 !important;
  box-shadow: 0 4px 14px rgba(22,93,255,0.4);
  transform: translateY(-1px);
}

/* Mobile: hide extras on small screens */
@media (max-width: 1100px) {
  .nav-social { display: none; }
  .nav-divider { display: none; }
  .nav-lang { display: none; }
  .nav-menu { display: none; }
}

/* Desktop: ensure menu stays horizontal */
@media (min-width: 1101px) {
  .nav-menu {
    display: flex !important;
    flex-direction: row;
    flex-wrap: nowrap;
    overflow: visible;
  }
  .mobile-nav-overlay, .mobile-backdrop, .nav-hamburger {
    display: none !important;
  }
}

/* ---------- Hamburger Button ---------- */
.nav-hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  padding: 8px;
  z-index: 10000;
  position: fixed;
  top: 20px;
  right: 24px;
  -webkit-tap-highlight-color: transparent;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: white;
  border-radius: 2px;
  transition: all 0.3s ease;
  transform-origin: center;
}
/* Hamburger → X animation */
.nav-hamburger.active span:nth-child(1) {
  transform: translateY(8.5px) rotate(45deg);
}
.nav-hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-hamburger.active span:nth-child(3) {
  transform: translateY(-8.5px) rotate(-45deg);
}

/* ---------- Mobile Backdrop (semi-transparent mask) ---------- */
.mobile-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 9990;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  -webkit-tap-highlight-color: transparent;
}
.mobile-backdrop.show {
  opacity: 1;
  visibility: visible;
}

/* ---------- Mobile Menu Overlay (top-down, auto-height) ---------- */
.mobile-nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(10, 30, 53, 0.98);
  z-index: 9991;
  overflow: hidden;
  -webkit-overflow-scrolling: touch;
  padding: 0;
  max-height: 0;
  opacity: 0;
  visibility: hidden;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.3s ease,
              visibility 0.3s ease;
}
.mobile-nav-overlay.show {
  max-height: 90vh;
  opacity: 1;
  visibility: visible;
  overflow-y: auto;
}

/* Mobile nav list items */
.mobile-nav-list {
  list-style: none;
  margin: 0;
  padding: 10px 16px 16px;
}
.mobile-nav-list .nav-item {
  width: 100%;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.mobile-nav-list .nav-link {
  padding: 16px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  min-height: 52px;
  color: rgba(255,255,255,0.9);
  -webkit-tap-highlight-color: transparent;
  cursor: pointer;
  user-select: none;
}
.mobile-nav-list .nav-link:hover,
.mobile-nav-list .nav-link:active {
  background: rgba(255,255,255,0.08);
  color: #fff;
}
/* Arrow icon in nav-link */
.mobile-nav-list .nav-link svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-left: 8px;
  color: rgba(255,255,255,0.6);
  transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1),
              color 0.2s ease;
}
.mobile-nav-list .nav-link.mobile-open svg,
.mobile-nav-list .nav-item:has(.mobile-show) .nav-link svg {
  transform: rotate(180deg);
  color: #fff;
}

/* Dropdown — hidden by default */
.mobile-nav-list .dropdown {
  position: static;
  box-shadow: none;
  border: none;
  border-radius: 0;
  background: transparent;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  padding: 0 0 2px;
  margin: 0;
  width: 100%;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.32s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.25s ease,
              transform 0.28s cubic-bezier(0.4, 0, 0.2, 1),
              padding 0.28s ease;
}
/* Dropdown — open state */
.mobile-nav-list .dropdown.mobile-show {
  max-height: 600px;
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  padding: 6px 0 8px;
}
.mobile-nav-list .dropdown.mobile-show > a:first-child {
  border-radius: 8px 8px 0 0;
}
.mobile-nav-list .dropdown a {
  padding: 13px 16px;
  color: rgba(255,255,255,0.65);
  background: transparent;
  font-size: 14px;
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 48px;
  -webkit-tap-highlight-color: transparent;
  border-bottom: none;
  border-radius: 6px;
  transition: color 0.15s ease, background 0.15s ease;
}
.mobile-nav-list .dropdown a:hover,
.mobile-nav-list .dropdown a:active {
  color: #fff;
  background: rgba(255,255,255,0.07);
}

/* ---------- Mobile Language Switcher ---------- */
.mobile-lang-switcher {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px 16px 12px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin: 0 0 4px;
}
.mobile-lang-btn {
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.05);
  color: rgba(255,255,255,0.7);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  -webkit-tap-highlight-color: transparent;
}
.mobile-lang-btn:hover,
.mobile-lang-btn:active {
  background: rgba(255,255,255,0.12);
  color: #fff;
}
.mobile-lang-btn.active {
  background: var(--accent-blue, #2563eb);
  border-color: var(--accent-blue, #2563eb);
  color: #fff;
}

/* Lock body scroll when mobile menu is open */
body.menu-open {
  overflow: hidden;
}

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  min-height: calc(100vh - 56px);
  display: flex;
  align-items: center;
  padding-top: clamp(72px, 10vw, 100px);
  padding-bottom: clamp(28px, 4vw, 40px);
  overflow: hidden;
  background: var(--primary);
  box-sizing: border-box;
}
.hero-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
/* 保留 .hero-bg 作为备用（如果有JS动态设置background-image） */
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 52, 96, 0.72);
}
/* Gold bokeh light spots */
.hero-bokeh {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.bokeh-spot {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.18;
}
.bokeh-1 { width: 400px; height: 400px; background: #F5C842; top: -100px; right: 10%; }
.bokeh-2 { width: 250px; height: 250px; background: #E8751A; top: 30%; right: 25%; opacity: 0.12; }
.bokeh-3 { width: 300px; height: 300px; background: #F5C842; bottom: 10%; right: 5%; opacity: 0.10; }
.bokeh-4 { width: 180px; height: 180px; background: #FFD700; top: 15%; left: 55%; opacity: 0.08; }
.hero-content {
  position: relative;
  z-index: 10;
  max-width: 800px;
  padding-top: 0;
  margin: 0;
  text-align: left;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(232,117,26,0.2);
  border: 1px solid rgba(232,117,26,0.4);
  border-radius: 100px;
  padding: 6px 16px;
  margin-bottom: 14px;
}
.hero-badge span {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #F5C842;
}
.hero-badge .dot {
  width: 7px; height: 7px;
  background: #E8751A;
  border-radius: 50%;
}
.hero h1 {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(48px, 4.5vw, 56px);
  font-weight: 900;
  color: white;
  line-height: 1.12;
  margin-bottom: 16px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.hero h1 .accent { color: #FF7D00; }
.hero h1 .hero-accent { color: #FF7D00; font-weight: 900; }
.hero-subtitle {
  font-size: clamp(13px, 1.6vw, 16px);
  color: rgba(255,255,255,0.88);
  line-height: 1.6;
  margin-bottom: clamp(14px, 2.4vw, 20px);
  max-width: 600px;
}
.hero p {
  font-size: clamp(15px, 2vw, 18px);
  color: rgba(255,255,255,0.82);
  line-height: 1.6;
  margin-bottom: clamp(18px, 3vw, 28px);
  max-width: 640px;
}
.hero-actions { display: flex; gap: clamp(10px, 1.6vw, 16px); flex-wrap: wrap; margin-bottom: 20px; }

/* Hero Stats Bar */
.hero-stats {
  display: flex;
  gap: clamp(24px, 4vw, 40px);
  flex-wrap: wrap;
  margin-top: clamp(20px, 4vw, 32px);
  align-items: flex-end;
}
.hero-stat-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
}
.hero-stat-num {
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 800;
  line-height: 1;
  color: #ffffff;
  letter-spacing: -1px;
}
.hero-stat-num .hero-stat-plus {
  color: #FF7D00;
  font-size: 38px;
}
.hero-stat-iso {
  font-size: 38px;
  color: #fff;
}
.hero-stat-label {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  font-weight: 500;
  letter-spacing: 0.3px;
  margin-top: 2px;
  white-space: nowrap;
}
/* White outline button for hero */
.btn-outline-white {
  background: transparent;
  color: #ffffff;
  border: 2px solid #ffffff;
  font-weight: 700;
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.15);
  color: #ffffff;
}
.hero-stats {
  display: flex;
  gap: clamp(24px, 4vw, 40px);
  flex-wrap: wrap;
  padding-top: 16px;
  margin-top: auto;
  border-top: 1px solid rgba(255,255,255,0.2);
  align-items: flex-end;
}
.hero-stat-num {
  font-family: 'Montserrat', 'Arial', sans-serif;
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 800;
  color: #ffffff;
  line-height: 1;
  margin-bottom: 4px;
}
.hero-stat-num.hero-stat-iso {
  color: #ffffff;
  font-size: 34px;
}
.hero-stat-plus { color: #FF7D00; font-size: clamp(22px, 2.6vw, 30px); font-weight: 800; }
.hero-stat-check { color: #FF7D00; font-size: clamp(22px, 2.6vw, 30px); font-weight: 800; }
.hero-stat-label {
  font-size: 12px;
  color: rgba(255,255,255,0.70);
  letter-spacing: 0.3px;
  white-space: nowrap;
}
/* legacy stat classes kept for compatibility */
.hero-stat .num {
  font-family: 'Montserrat', sans-serif;
  font-size: 28px;
  font-weight: 800;
  color: white;
  line-height: 1;
}
.hero-stat .num span { color: var(--orange); }
.hero-stat .label {
  font-size: 12px;
  color: rgba(255,255,255,0.55);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ---------- Trust Bar ---------- */
.trust-bar {
  background: #0F2E59;
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 14px 0;
}
.trust-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(12px, 2vw, 16px);
  flex-wrap: wrap;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #FFFFFF;
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
}
.trust-item .icon {
  width: 32px;
  height: 32px;
  background: none;
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

/* ---------- Cards ---------- */
.card {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  overflow: hidden;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.card-body { padding: clamp(16px, 2.4vw, 24px); display: flex; flex-direction: column; flex: 1; }
.card-body > div:last-child { margin-top: auto; padding-top: 12px; }
.card-img { height: clamp(160px, 20vw, 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-tag {
  display: inline-block;
  background: rgba(22,93,255,0.1);
  color: var(--accent-blue);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 4px;
  margin-bottom: 10px;
}
.card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
  line-height: 1.3;
}
.card p { font-size: 13px; color: var(--gray-500); line-height: 1.65; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

/* ---------- Grid ---------- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(16px, 2.4vw, 24px); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 2.4vw, 24px); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(16px, 2.4vw, 24px); }

/* ---------- Product Card (Home) ---------- */
/* 参照产品页 product-card-new 风格：白底+边框+正方形图片区 */
.product-card {
  cursor: pointer;
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  overflow: hidden;
  transition: box-shadow 0.22s, transform 0.22s, border-color 0.22s;
}
.product-card:hover {
  box-shadow: 0 8px 32px rgba(37,99,235,.12);
  transform: translateY(-4px);
  border-color: var(--primary);
}
.product-card .card-img {
  aspect-ratio: 1 / 1;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
.product-card .card-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.4s ease;
}
.product-card:hover .card-img img { transform: scale(1.06); }

/* 占位图（无图片时显示）— 参照产品页灰色风格 */
.product-card .card-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  height: 100%;
  color: #aaa;
}
.product-card .card-placeholder svg { opacity: 0.5; }
.product-card .card-placeholder span {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* 产品卡片文字区域 */
.product-card .card-body {
  padding: 16px 18px 18px;
  text-align: center;
}
.product-card .card-body .card-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.product-card .card-body h3 {
  font-size: 15px !important;
  font-weight: 700 !important;
  line-height: 1.4 !important;
  margin: 0 !important;
  color: var(--gray-900);
  word-wrap: break-word;
  overflow-wrap: break-word;
  /* 支持多语言长文本：限制最多2行 */
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.product-card .specs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}
.spec-tag {
  background: var(--gray-100);
  color: var(--gray-700);
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 4px;
}

/* ---------- Stats Section ---------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  background: var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.stat-item {
  background: white;
  padding: clamp(24px, 4vw, 36px) clamp(16px, 2.8vw, 28px);
  text-align: center;
}
.stat-item .number {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-item .number span { color: var(--orange); }
.stat-item .stat-label {
  font-size: 13px;
  color: var(--gray-500);
  font-weight: 500;
}

/* ---------- Why Choose Us ---------- */
.feature-card {
  padding: clamp(20px, 3.2vw, 32px) clamp(16px, 2.8vw, 28px);
  border-radius: var(--radius-lg);
  background: white;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  height: 100%;
  box-sizing: border-box;
  text-align: center;
}
.feature-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.feature-icon {
  width: 52px; height: 52px;
  background: none;
  border-radius: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
  margin-bottom: 18px;
  margin-left: auto;
  margin-right: auto;
}
.feature-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}
.feature-card p { font-size: 13px; color: var(--gray-500); line-height: 1.65; text-align: center; }

/* ---------- CTA Banner ---------- */
.cta-banner {
  background: linear-gradient(135deg, var(--primary) 0%, #1a4a7a 50%, #0a2444 100%);
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.cta-content {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(20px, 3.2vw, 32px);
  flex-wrap: wrap;
}
.cta-text h2 {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 800;
  color: white;
  margin-bottom: 10px;
  line-height: 1.2;
}
.cta-text p { font-size: clamp(13px, 1.2vw, 15px); color: rgba(255,255,255,0.75); max-width: 520px; }
.cta-actions { display: flex; gap: clamp(10px, 1.4vw, 14px); flex-wrap: wrap; flex-shrink: 0; }

/* ---------- Footer ---------- */
.footer {
  background: #0a1e35;
  color: rgba(255,255,255,0.7);
  padding: clamp(40px, 6.4vw, 64px) 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: clamp(28px, 4.8vw, 48px);
  padding-bottom: clamp(28px, 4.8vw, 48px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .footer-logo-name {
  font-family: 'Montserrat', sans-serif;
  font-size: 18px;
  font-weight: 800;
  color: white;
  margin-bottom: 4px;
}
.footer-brand .footer-logo-sub {
  font-size: 11px;
  color: rgba(255,255,255,0.4);
  margin-bottom: 16px;
}
.footer-brand p { font-size: 13px; line-height: 1.75; margin-bottom: 24px; }
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 13px;
}
.footer-contact-item .fi {
  width: 18px; flex-shrink: 0;
  color: var(--highlight);
  margin-top: 2px;
}
.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: white;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.footer-col a {
  display: block;
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 8px;
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--highlight); }
.footer-bottom {
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom p { font-size: 12px; color: rgba(255,255,255,0.4); }
.cert-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 6px;
  padding: 5px 12px;
  font-size: 12px;
  color: rgba(255,255,255,0.7);
}

/* ---------- Page Header / Banner ---------- */
.page-banner {
  background: linear-gradient(135deg, var(--primary) 0%, #1a4a7a 100%);
  padding: clamp(80px, 12vw, 120px) 0 clamp(40px, 6.4vw, 64px);
  position: relative;
  overflow: hidden;
}
.page-banner::after {
  content: '';
  position: absolute;
  right: -100px;
  top: -100px;
  width: 500px; height: 500px;
  background: rgba(74,144,226,0.08);
  border-radius: 50%;
  pointer-events: none;
}
.page-banner h1 {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 900;
  color: white;
  margin-bottom: 12px;
}
.page-banner p { font-size: 16px; color: rgba(255,255,255,0.72); max-width: 600px; }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
}
.breadcrumb a, .breadcrumb span {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}
.breadcrumb a:hover { color: rgba(255,255,255,0.8); }
.breadcrumb .sep { color: rgba(255,255,255,0.3); font-size: 11px; }
.breadcrumb .current { color: rgba(255,255,255,0.85); }

/* ---------- Table Specs ---------- */
.spec-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.spec-table th {
  background: var(--primary);
  color: white;
  padding: 10px 16px;
  text-align: left;
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.spec-table td { padding: 10px 16px; border-bottom: 1px solid var(--gray-200); color: var(--gray-700); }
.spec-table tr:last-child td { border-bottom: none; }
.spec-table tr:nth-child(even) td { background: var(--gray-50); }

/* ---------- Form ---------- */
.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 6px;
}
.form-control {
  width: 100%;
  padding: 11px 16px;
  padding-right: 40px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 14px;
  font-family: var(--font-main);
  color: var(--dark);
  background: white;
  /* background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b7280' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"); */
  background-repeat: no-repeat;
  background-position: right 14px center;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  cursor: pointer;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-control:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(22,93,255,0.12);
}
textarea.form-control { resize: vertical; min-height: 120px; }
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ---------- App / Application Cards ---------- */
.app-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: clamp(200px, 22vw, 260px);
  cursor: pointer;
}
.app-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.4s ease;
}
.app-card:hover img { transform: scale(1.06); }
.app-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15,52,96,0.85) 0%, rgba(15,52,96,0.1) 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(16px, 2.4vw, 24px);
}
.app-card-overlay h3 { font-size: clamp(15px, 1.4vw, 18px); font-weight: 700; color: white; margin-bottom: 6px; }
.app-card-overlay p { font-size: 13px; color: rgba(255,255,255,0.75); line-height: 1.5; }

/* ---------- Timeline ---------- */
.timeline { position: relative; padding-left: 32px; }
.timeline::before {
  content: '';
  position: absolute;
  left: 8px; top: 0; bottom: 0;
  width: 2px;
  background: var(--gray-200);
}
.timeline-item { position: relative; padding-bottom: 36px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
  position: absolute;
  left: -28px;
  top: 4px;
  width: 16px; height: 16px;
  background: var(--accent-blue);
  border: 3px solid white;
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(22,93,255,0.2);
}
.timeline-date {
  font-size: 12px;
  font-weight: 700;
  color: var(--orange);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}
.timeline-item h3 { font-size: 16px; font-weight: 700; color: var(--primary); margin-bottom: 6px; }
.timeline-item p { font-size: 14px; color: var(--gray-500); line-height: 1.65; }

/* ---------- Contact Info ---------- */
.contact-info-card {
  background: var(--primary);
  color: white;
  border-radius: var(--radius-lg);
  padding: clamp(24px, 3.6vw, 36px) clamp(20px, 3.2vw, 32px);
}
.contact-info-card h3 {
  font-size: clamp(17px, 1.6vw, 20px);
  font-weight: 700;
  margin-bottom: clamp(20px, 3.2vw, 28px);
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.contact-row {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 22px;
}
.contact-icon {
  width: 40px; height: 40px;
  background: rgba(255,255,255,0.1);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.contact-row h4 { font-size: 12px; color: rgba(255,255,255,0.5); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 4px; }
.contact-row p { font-size: 14px; color: rgba(255,255,255,0.9); line-height: 1.5; }
.contact-row a { color: rgba(255,255,255,0.9); }
.contact-row a:hover { color: #4A90E2; }

/* ---------- Blog ---------- */
.blog-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.blog-meta .date { font-size: 12px; color: var(--gray-500); }
.blog-meta .cat {
  font-size: 11px;
  font-weight: 700;
  color: var(--accent-blue);
  background: rgba(22,93,255,0.1);
  padding: 2px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ---------- Quote & FAQ Section ---------- */
.quote-form-box {
  background: white;
  border-radius: var(--radius-lg);
  padding: clamp(20px, 3.2vw, 32px);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
}
.quote-title {
  font-size: clamp(20px, 2.4vw, 24px);
  font-weight: 700;
  color: #0F2E59;
  margin-bottom: 8px;
}
.quote-subtitle {
  font-size: 14px;
  color: var(--gray-500);
  margin-bottom: 24px;
}
.quote-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--dark);
}
.form-input,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--dark);
  font-family: inherit;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(22,93,255,0.1);
}
.form-textarea {
  resize: vertical;
  min-height: 100px;
}

/* ---------- FAQ Section ---------- */
.faq-box {
  background: white;
  border-radius: var(--radius-lg);
  padding: clamp(20px, 3.2vw, 32px);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
}
.faq-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.faq-icon {
  font-size: 28px;
  flex-shrink: 0;
}
.faq-title {
  font-size: clamp(17px, 1.6vw, 20px);
  font-weight: 700;
  color: #0F2E59;
}
.faq-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--gray-200);
  padding-bottom: 16px;
}
.faq-tab {
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  border: none;
  background: white;
  color: var(--gray-700);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.25s ease;
}
.faq-tab:hover {
  background: var(--gray-100);
}
.faq-tab.active {
  background: #0F2E59;
  color: white;
}
.faq-content {
  display: none;
}
.faq-content.show {
  display: block;
}
.faq-item {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: all 0.25s ease;
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--dark);
  cursor: pointer;
  background: white;
  transition: background 0.25s ease;
}
.faq-question:hover {
  background: var(--gray-50);
}
.faq-arrow {
  width: 20px;
  height: 20px;
  transition: transform 0.25s ease;
  flex-shrink: 0;
}
.faq-item.expanded .faq-arrow {
  transform: rotate(180deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 20px;
  font-size: 14px;
  color: var(--gray-700);
  line-height: 1.6;
  transition: all 0.25s ease;
}
.faq-answer.show {
  max-height: 500px;
  padding: 16px 20px;
  background: var(--gray-50);
  border-top: 1px solid var(--gray-200);
}

/* ---------- Responsive ---------- */
/* Tablet */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .page-banner::after { width: 300px; height: 300px; right: -60px; top: -60px; }
  .bokeh-1 { width: 250px; height: 250px; }
  .bokeh-2 { width: 180px; height: 180px; }
  .bokeh-3 { width: 200px; height: 200px; }
  .bokeh-4 { width: 120px; height: 120px; }
  .nav-menu { margin: 0 12px; }
  .nav-link { padding: 8px 12px; font-size: 13px; }
}

/* Mobile landscape / small tablet */
@media (max-width: 768px) {
  .section { padding: clamp(36px, 8vw, 48px) 0; }
  .nav-right { margin-left: 0; }
  .nav-cta { display: none; }
  .hero-stats { gap: 24px; }
  .hero-stat .num { font-size: 22px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .cta-content { flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .form-grid-2 { grid-template-columns: 1fr; }
  .trust-bar-inner {
    gap: 12px;
    justify-content: flex-start;
    flex-wrap: wrap;
  }
  .trust-item {
    min-width: calc(50% - 6px);
    font-size: 13px;
  }
  .trust-item .icon {
    width: 28px;
    height: 28px;
    font-size: 16px;
  }
  /* About page inline grid fixes */
  #company-profile [style*="grid-template-columns"],
  #company-history [style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
    gap: 32px !important;
  }
  #company-profile img[style*="height"],
  #company-history img[style*="height"] {
    height: auto !important;
    max-height: 300px;
  }
  #company-history > div > div:last-child {
    position: static !important;
  }
  .factory-gallery img {
    width: calc(50% - 8px) !important;
  }
  /* Global: fix all inline grids on mobile */
  .section > .container > div[style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
    gap: 28px !important;
  }
  /* Global: prevent overflow from inline styles */
  .section > .container > div[style*="grid"] {
    overflow: hidden;
  }
  /* Fix inline grid inside images */
  .section img[style*="height:400px"],
  .section img[style*="height: 420px"] {
    height: auto !important;
    max-height: 260px;
  }
  /* Page banner bokeh fix */
  .page-banner .bokeh-1 { width: 200px !important; height: 200px !important; }
  .page-banner .bokeh-2 { width: 140px !important; height: 140px !important; }
  .page-banner .bokeh-3 { width: 160px !important; height: 160px !important; }
  .page-banner .bokeh-4 { width: 100px !important; height: 100px !important; }
}

@media (max-width: 480px) {
  .container { padding: 0 12px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .page-banner { padding: 72px 0 36px; }
  .page-banner::after { width: 180px; height: 180px; right: -40px; top: -40px; }
  .trust-bar-inner { justify-content: center; }
  .trust-item { min-width: 100%; }
  .pcn-body { padding: 10px 12px 12px; }
  .factory-gallery img { width: 100% !important; }
  .section-header h2 { font-size: clamp(22px, 6vw, 30px) !important; }
  /* FAQ tabs wrap on small screens */
  .faq-tabs { flex-wrap: wrap; gap: 6px; }
  .faq-tab { padding: 7px 12px; font-size: 12px; }
  /* Quote form compact */
  .quote-form-box { padding: 16px; }
  .form-input, .form-textarea { padding: 10px 12px; font-size: 16px; }
  /* News card compact */
  .news-card { gap: 10px; }
  .news-card-img { width: 100px; min-width: 100px; height: 80px; }
  .news-card-body h3 { font-size: 14px; }
  .news-card-body p { font-size: 12px; -webkit-line-clamp: 2; }
  /* Ensure no horizontal overflow */
  .faq-box { max-width: 100%; }
  .product-card .card-body { padding: 12px 14px 14px; }
}

/* ============================================
   MOBILE OPTIMIZATIONS — Touch & Accessibility
   ============================================ */

/* Prevent horizontal overflow globally */
.section, .hero, .cta-banner, .page-banner, .trust-bar, footer {
  max-width: 100vw;
  overflow-x: hidden;
}

/* Larger touch targets for mobile (min 44px iOS guideline) */
@media (max-width: 768px) {
  .faq-question { padding: 14px 16px; min-height: 48px; }
  .faq-tab { min-height: 40px; }
  .nav-link { min-height: 44px; display: flex; align-items: center; }
  .mobile-nav-list a,
  .mobile-nav-list .nav-link {
    min-height: 48px;
    display: flex;
    align-items: center;
    padding: 12px 16px;
  }
  .btn { min-height: 44px; }
  .btn-sm { min-height: 38px; }
  .subnav-pill { min-height: 36px; display: inline-flex; align-items: center; }
  /* Prevent text selection on interactive elements */
  .pcat-tabs, .faq-tabs, .ncat-tab {
    -webkit-user-select: none;
    user-select: none;
  }
  /* News category tabs: horizontal scroll */
  #ncatTabsScroll {
    display: flex;
    gap: 4px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding: 4px 0;
  }
  #ncatTabsScroll::-webkit-scrollbar { display: none; }
  /* FAQ section: ensure proper stacking */
  .faq-box { max-width: 100%; overflow: hidden; }
  /* Dropdown mobile — only add background when open; preserve animation from main rule */
  .mobile-nav-list .dropdown.mobile-show {
    background: rgba(255,255,255,0.07);
  }
  .mobile-nav-list .dropdown a {
    padding: 13px 16px;
    font-size: 14px;
    min-height: 48px;
  }
  /* Card hover: disable transform on touch to prevent sticky hover */
  .card:hover, .product-card:hover, .product-card-new:hover,
  .product-item:hover, .app-card:hover {
    transform: none;
  }
  /* Contact form full width */
  .form-grid-2 { grid-template-columns: 1fr; }
  /* Product card: ensure no overflow */
  .product-card, .product-card-new, .product-item {
    max-width: 100%;
    overflow: hidden;
    word-break: break-word;
  }
  /* Quote form responsive */
  .quote-form-box { padding: clamp(16px, 4vw, 24px); }
  .form-input, .form-textarea {
    font-size: 16px; /* Prevent iOS zoom on focus */
  }
  /* Prevent body bounce on iOS */
  body {
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-y: none;
  }
  /* Ensure all images stay within bounds */
  .card-img img, .pcn-img img, .news-card-img img,
  .app-card img, .page-banner img {
    max-width: 100%;
    object-fit: cover;
  }
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--gray-100); }
::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* ---------- Float Action Buttons ---------- */
.fab-container {
  position: fixed;
  right: 24px;
  bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 999;
}
.fab-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(15,52,96,0.25);
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  text-decoration: none;
}
.fab-btn svg {
  width: 22px;
  height: 22px;
  color: white;
}
.fab-top {
  background: var(--primary);
}
.fab-top:hover {
  background: #0a2444;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(15,52,96,0.35);
}
.fab-contact {
  background: var(--accent-blue);
}
.fab-contact:hover {
  background: #0f4ce0;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(22,93,255,0.35);
}
.fab-wa {
  background: #25D366;
}
.fab-wa:hover {
  background: #1ebc58;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(37,211,102,0.45);
}
.fab-faq {
  background: var(--orange, #E8751A);
}
.fab-faq:hover {
  background: #c95f0e;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(232,117,26,0.45);
}
/* 回到顶部按钮默认隐藏，滚动后显示 */
#fabTop {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease, background 0.3s ease;
}
#fabTop.visible {
  opacity: 1;
  pointer-events: auto;
}
@media (max-width: 768px) {
  .fab-container {
    right: 16px;
    bottom: 16px;
  }
  .fab-btn {
    width: 44px;
    height: 44px;
  }
  .fab-btn svg {
    width: 20px;
    height: 20px;
  }
}
/* ============================================
   PRODUCTS PAGE - Category Tabs & Grid
   ============================================ */

/* Category Tab Bar */
.cat-tab {
  display: inline-flex;
  align-items: center;
  padding: 14px 24px;
  font-size: 14px;
  font-weight: 600;
  font-family: Montserrat, sans-serif;
  color: var(--gray-600);
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.2s, border-color 0.2s;
  letter-spacing: 0.02em;
}
.cat-tab:hover {
  color: var(--primary);
}
.cat-tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* Sub-nav pills */
.subnav-pill {
  display: inline-block;
  padding: 5px 14px;
  font-size: 12px;
  font-weight: 500;
  color: var(--gray-700);
  background: #fff;
  border: 1px solid var(--gray-300);
  border-radius: 999px;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.18s, color 0.18s, border-color 0.18s;
}
.subnav-pill:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* Category section header */
.cat-section-header {
  margin-bottom: clamp(24px, 3.6vw, 36px);
  padding-bottom: clamp(14px, 2.4vw, 20px);
  border-bottom: 2px solid var(--gray-200);
}
.cat-section-header h2 {
  font-family: Montserrat, sans-serif;
  font-size: clamp(22px, 2.4vw, 28px);
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 8px;
}
.cat-section-header p {
  color: var(--gray-600);
  font-size: 15px;
}

/* Products grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: clamp(14px, 2.4vw, 20px);
}

/* Individual product card */
.product-item {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 24px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: box-shadow 0.2s, transform 0.2s, border-color 0.2s;
}
.product-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: var(--primary);
}
.product-item .product-icon {
  font-size: 28px;
  line-height: 1;
}
.product-item h3 {
  font-family: Montserrat, sans-serif;
  font-size: 15px;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.35;
  margin: 0;
}
.product-item p {
  font-size: 13px;
  color: var(--gray-600);
  line-height: 1.6;
  flex: 1;
  margin: 0;
}
.product-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 4px;
}
.product-actions .btn-sm {
  font-size: 12px;
  padding: 6px 14px;
}

@media (max-width: 768px) {
  .products-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 14px;
  }
  .cat-tab {
    padding: 12px 16px;
    font-size: 13px;
  }
}

/* =====================================================
   PRODUCTS PAGE v3 — Tab + Image Cards
   ===================================================== */

/* === Product Category Tabs (scrollable) === */
.pcat-tabs-bar {
  position: sticky;
  top: 72px;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--gray-200);
  box-shadow: 0 1px 0 rgba(0,0,0,.04);
  transition: box-shadow 0.2s;
}
.pcat-tabs-bar.scrolled {
  box-shadow: 0 4px 16px rgba(0,0,0,.08);
}
/* Scrollable tabs container */
.pcat-tabs {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  cursor: grab;
  padding: 8px clamp(16px, 3vw, 24px);
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.pcat-tabs::-webkit-scrollbar { display: none; height: 0; }
.pcat-tabs.dragging { cursor: grabbing; scroll-behavior: auto; user-select: none; }

/* Individual tab button */
.pcat-tab {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: clamp(12px, 1.6vw, 16px) clamp(16px, 2.2vw, 26px);
  font-size: 13px;
  font-weight: 600;
  font-family: Montserrat, sans-serif;
  color: var(--gray-500);
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  flex-shrink: 0;
  transition: color 0.25s, border-color 0.25s, background 0.25s;
  position: relative;
  border-radius: 6px 6px 0 0;
}
.pcat-tab:hover {
  color: var(--primary);
  background: rgba(37,99,235,0.04);
}
.pcat-tab.active {
  color: #1e40af;
  border-bottom-color: #1e40af;
  background: rgba(30,64,175,0.03);
}
.pcat-icon {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
}
.pcat-icon svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
}
.pcat-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--gray-100);
  color: var(--gray-600);
  font-size: 11px;
  font-weight: 700;
  transition: background 0.2s, color 0.2s;
}
.pcat-tab.active .pcat-count {
  background: var(--primary);
  color: #fff;
}

/*  — Sub-nav pills —  */
.pcat-subnav {
  background: #f8faff;
  border-bottom: 1px solid var(--gray-200);
  padding: 12px 0;
}
.pcat-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.pcat-pill {
  display: inline-block;
  padding: 6px 16px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--gray-700);
  background: #fff;
  border: 1px solid var(--gray-300);
  border-radius: 999px;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.18s, color 0.18s, border-color 0.18s;
}
.pcat-pill:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/*  — Section header —  */
.pcat-section-header {
  margin-bottom: clamp(20px, 3.2vw, 32px);
}
.pcat-section-header h2 {
  font-family: Montserrat, sans-serif;
  font-size: clamp(22px, 2.8vw, 30px);
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 8px;
}
.pcat-section-header p {
  color: var(--gray-500);
  font-size: 15px;
}

/*  — Product grid: 4 per row —  */
.pcat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(14px, 2.4vw, 24px);
  padding-bottom: clamp(36px, 6.4vw, 64px);
}

/*  — Product card —  */
.product-card-new {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: box-shadow 0.22s, transform 0.22s, border-color 0.22s;
}
.product-card-new:hover {
  box-shadow: 0 8px 32px rgba(37,99,235,.12);
  transform: translateY(-4px);
  border-color: var(--primary);
}
.pcn-img {
  position: relative;
  width: 100%;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--gray-100);
}
.pcn-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
  display: block;
}
.product-card-new:hover .pcn-img img {
  transform: scale(1.06);
}
.pcn-overlay {
  position: absolute;
  inset: 0;
  background: rgba(30,58,138,.55);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.25s;
}
.product-card-new:hover .pcn-overlay {
  opacity: 1;
}
.pcn-btn {
  padding: 10px 22px;
  background: #E8751A;
  color: #fff;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  font-family: Montserrat, sans-serif;
  letter-spacing: 0.03em;
  transition: background 0.18s;
}
.pcn-btn:hover { background: #d4621a; }

.pcn-body {
  padding: 14px 16px 16px;
}
.pcn-name {
  font-family: Montserrat, sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: var(--gray-900);
  margin: 0;
  line-height: 1.4;
}

/*  — Responsive —  */
@media (max-width: 1100px) {
  .pcat-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .pcat-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .pcat-tab { padding: 14px 16px; gap: 6px; font-size: 12px; }
  .pcat-icon { display: none; }
}
@media (max-width: 480px) {
  .pcat-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
}

/* ---------- Success Modal (Quote Form) ---------- */
.success-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 28, 54, 0.55);
  backdrop-filter: blur(4px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.success-modal-overlay.show {
  opacity: 1;
  visibility: visible;
}
.success-modal {
  background: #fff;
  border-radius: 20px;
  padding: clamp(32px, 4.8vw, 48px) clamp(24px, 4vw, 40px) clamp(24px, 4vw, 40px);
  max-width: 440px;
  width: calc(100% - 40px);
  text-align: center;
  box-shadow: 0 24px 60px rgba(10, 28, 54, 0.22);
  transform: scale(0.88) translateY(20px);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
}
.success-modal-overlay.show .success-modal {
  transform: scale(1) translateY(0);
}
.success-modal-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  box-shadow: 0 8px 24px rgba(34, 197, 94, 0.35);
}
.success-modal-icon svg {
  width: 36px;
  height: 36px;
  color: #fff;
  stroke: #fff;
  stroke-width: 2.5;
  fill: none;
}
.success-modal h3 {
  font-family: 'Montserrat', sans-serif;
  font-size: 20px;
  font-weight: 800;
  color: #0F3460;
  margin-bottom: 12px;
  line-height: 1.3;
}
.success-modal p {
  font-size: 15px;
  color: #4B5563;
  line-height: 1.65;
  margin-bottom: 28px;
}
.success-modal .success-close-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 36px;
  background: var(--accent-blue, #165DFF);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
  font-family: inherit;
}
.success-modal .success-close-btn:hover {
  background: #0f4ce0;
  transform: translateY(-1px);
}
@media (max-width: 480px) {
  .success-modal { padding: 36px 24px 28px; }
  .success-modal h3 { font-size: 17px; }
  .success-modal p { font-size: 14px; }
}

/* Language Top Bar removed — navbar already has language switcher */