/* 优软汽车科技官网 - 按原 React 源码样式重构 */

:root {
  --primary: #2563eb;
  --primary-600: #2563eb;
  --primary-500: #3b82f6;
  --primary-700: #1d4ed8;
  --primary-light: #dbeafe;
  --primary-100: #dbeafe;
  --cyan-500: #06b6d4;
  --text: #111827;
  --text-900: #111827;
  --text-700: #374151;
  --text-600: #4b5563;
  --text-500: #6b7280;
  --text-400: #9ca3af;
  --bg: #ffffff;
  --bg-gray: #f8fafc;
  --bg-blue-50: #eff6ff;
  --border: #e5e7eb;
  --border-100: #f3f4f6;
  --radius: 16px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.05);
  --shadow: 0 1px 3px 0 rgba(0,0,0,0.1), 0 1px 2px -1px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
  --shadow-blue: 0 10px 15px -3px rgba(37,99,235,0.25);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1280px;
  --header-height: 80px;
  --header-height-mobile: 64px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text);
  line-height: 1.6;
  background: var(--bg);
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

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

ul, ol {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 16px;
}

@media (min-width: 768px) {
  .container {
    padding: 0 24px;
  }
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: all 0.3s ease;
  background: transparent;
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: rgba(59,130,246,0.1);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height-mobile);
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  transform: translateY(2px);
}

.header-logo img {
  height: 48px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.site-nav {
  display: none;
  align-items: center;
  gap: 6px;
}

.nav-item {
  position: relative;
  padding: 8px 11px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--text-800);
  border-radius: 6px;
  white-space: nowrap;
  transition: color 0.25s ease;
}

.nav-item::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 2px;
  width: 18px;
  height: 3px;
  background: var(--primary-600);
  border-radius: 2px;
  transform: translateX(-50%) scaleX(0);
  transform-origin: center;
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.nav-item:hover,
.nav-item.active {
  color: var(--primary-600);
  background: none;
}

.nav-item:hover::after,
.nav-item.active::after {
  transform: translateX(-50%) scaleX(1);
}

.header-cta {
  display: none;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  white-space: nowrap;
  background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-500) 50%, #60a5fa 100%);
  background-size: 200% 100%;
  background-position: 0% 50%;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  border-radius: 10px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 8px 20px -4px rgba(37,99,235,0.35);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.header-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
  z-index: -1;
}

.header-cta:hover {
  background-position: 100% 50%;
  transform: translateY(-1px);
  box-shadow: 0 12px 28px -5px rgba(37,99,235,0.45);
}

.header-cta:hover::before {
  transform: translateX(100%);
}

.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  background: none;
  border: none;
  color: var(--text-700);
  cursor: pointer;
  border-radius: 8px;
  transition: all 0.2s ease;
}

.menu-toggle:hover {
  background: rgba(59,130,246,0.1);
}

.menu-toggle .icon-close {
  display: none;
}

.menu-toggle.active .icon-menu {
  display: none;
}

.menu-toggle.active .icon-close {
  display: block;
}

.mobile-nav {
  display: block;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: all 0.3s ease;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid rgba(59,130,246,0.1);
}

.mobile-nav.open {
  max-height: 500px;
  opacity: 1;
}

.mobile-nav-inner {
  display: flex;
  flex-direction: column;
  padding: 16px;
  gap: 4px;
}

.mobile-nav-item {
  padding: 14px 18px;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-800);
  border-radius: 10px;
  transition: all 0.2s ease;
}

.mobile-nav-item:hover,
.mobile-nav-item.active {
  color: var(--primary-600);
  background: rgba(59,130,246,0.08);
}

.mobile-nav-item.active {
  box-shadow: inset 3px 0 0 var(--primary-600);
}

.mobile-nav-cta {
  margin-top: 8px;
  padding: 14px 20px;
  background: linear-gradient(135deg, var(--primary-600), var(--primary-500));
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 8px 20px -4px rgba(37,99,235,0.35);
}

@media (min-width: 1024px) and (max-width: 1279px) {
  .nav-item {
    font-size: 13px;
    padding: 6px 7px;
  }
  
  .header-cta {
    padding: 8px 14px;
    font-size: 13px;
  }
  
  .lang-switch {
    width: 34px;
    height: 34px;
    font-size: 11px;
  }
}

@media (min-width: 1024px) {
  .header-inner {
    height: var(--header-height);
    gap: 16px;
  }
  
  .header-logo img {
    height: 64px;
  }
  
  .site-nav {
    display: flex;
    flex: 1;
    justify-content: center;
  }
  
  .header-cta {
    display: inline-flex;
  }
  
  .menu-toggle {
    display: none;
  }
  
  .mobile-nav {
    display: none;
  }
}

/* Banner Hero */
.hero {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: #0a1628;
}

.banner-slides {
  position: absolute;
  inset: 0;
}

.banner-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0;
  transform: scale(1.05);
  transition: opacity 1.2s ease, transform 6s ease;
}

.banner-slide.active {
  opacity: 1;
  transform: scale(1);
}

.banner-slide.hero-bg-product {
  background-color: #0a1628;
  background-size: 50% auto;
  background-position: right center;
  background-repeat: no-repeat;
}

.banner-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, rgba(6,18,36,0.45) 0%, transparent 30%),
    linear-gradient(to right, rgba(6,18,36,0.92) 0%, rgba(6,18,36,0.78) 30%, rgba(6,18,36,0.3) 55%, transparent 72%);
}

.banner-dots {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 20;
}

.banner-dot {
  width: 10px;
  height: 10px;
  padding: 0;
  border: none;
  border-radius: 999px;
  background: rgba(255,255,255,0.35);
  cursor: pointer;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.banner-dot:hover {
  background: rgba(255,255,255,0.7);
  transform: scale(1.2);
}

.banner-dot.active {
  width: 32px;
  background: linear-gradient(90deg, #ffffff, #bfdbfe);
  box-shadow: 0 0 12px rgba(255,255,255,0.4);
}

.hero-visual {
  display: none;
}

/* Header over dark banner (homepage top only) */
.site-header.has-banner:not(.scrolled) .header-logo {
  background: rgba(255,255,255,0.95);
  border-radius: 12px;
  padding: 6px 14px;
  box-shadow: var(--shadow-sm);
}

.site-header.has-banner:not(.scrolled) .header-logo img {
  height: 40px;
  filter: none;
}

.site-header.has-banner:not(.scrolled) .nav-item {
  color: rgba(255,255,255,0.95);
  text-shadow: 0 1px 2px rgba(0,0,0,0.15);
}

.site-header.has-banner:not(.scrolled) .nav-item:hover,
.site-header.has-banner:not(.scrolled) .nav-item.active {
  color: #ffffff;
  background: none;
}

.site-header.has-banner:not(.scrolled) .nav-item::after {
  background: #ffffff;
}

.site-header.has-banner:not(.scrolled) .menu-toggle {
  color: #ffffff;
}

.site-header.has-banner:not(.scrolled) .menu-toggle:hover {
  background: rgba(255,255,255,0.15);
}

.hero-inner {
  position: relative;
  z-index: 10;
  width: 100%;
  padding-top: 110px;
  padding-bottom: 110px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
  min-height: 70vh;
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 640px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 18px;
  background: linear-gradient(135deg, rgba(255,255,255,0.14), rgba(255,255,255,0.06));
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 999px;
  color: #ffffff;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.03em;
  width: fit-content;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 15px -3px rgba(0,0,0,0.15), 0 0 0 1px rgba(255,255,255,0.05) inset;
}

.hero-dot {
  position: relative;
  display: flex;
  width: 8px;
  height: 8px;
}

.hero-dot-ping {
  position: absolute;
  display: inline-flex;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: rgba(96,165,250,0.75);
  animation: ping 1.5s cubic-bezier(0, 0, 0.2, 1) infinite;
}

.hero-dot-core {
  position: relative;
  display: inline-flex;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary-500);
}

@keyframes ping {
  75%, 100% {
    transform: scale(2);
    opacity: 0;
  }
}

.hero-title {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: #ffffff;
  text-shadow: 0 2px 12px rgba(6,18,36,0.35);
}

.hero-title-gradient {
  background: linear-gradient(90deg, #60a5fa, #38bdf8, #22d3ee);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-desc {
  font-size: 16px;
  color: rgba(255,255,255,0.85);
  line-height: 1.7;
  max-width: 480px;
  text-shadow: 0 1px 8px rgba(6,18,36,0.3);
}

.hero-features {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.hero-feature {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,0.92);
}

.hero-feature-icon {
  width: 20px;
  height: 20px;
  color: #60a5fa;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 8px;
}

.hero-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 30px;
  border-radius: 14px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  isolation: isolate;
}

.hero-btn svg {
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-btn-primary {
  background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-500) 50%, #60a5fa 100%);
  background-size: 200% 100%;
  background-position: 0% 50%;
  color: #fff;
  box-shadow:
    0 4px 6px -1px rgba(37,99,235,0.2),
    0 10px 25px -5px rgba(37,99,235,0.4),
    0 0 0 1px rgba(255,255,255,0.15) inset;
}

.hero-btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
  z-index: -1;
}

.hero-btn-primary:hover {
  background-position: 100% 50%;
  transform: translateY(-3px);
  box-shadow:
    0 8px 12px -2px rgba(37,99,235,0.25),
    0 18px 35px -8px rgba(37,99,235,0.5),
    0 0 0 1px rgba(255,255,255,0.2) inset;
}

.hero-btn-primary:hover svg {
  transform: translateX(4px);
}

.hero-btn-primary:hover::before {
  transform: translateX(100%);
}

.hero-btn-outline {
  background: rgba(255,255,255,0.1);
  color: #ffffff;
  border: 1px solid rgba(255,255,255,0.35);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 15px -3px rgba(0,0,0,0.1);
}

.hero-btn-outline::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: -1;
}

.hero-btn-outline:hover {
  background: rgba(255,255,255,0.18);
  border-color: rgba(255,255,255,0.7);
  transform: translateY(-3px);
  box-shadow: 0 12px 25px -5px rgba(0,0,0,0.2);
}

.hero-btn-outline:hover::before {
  opacity: 1;
}

.hero-btn-outline:hover svg {
  transform: translateX(4px);
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 48px;
  }
}

@media (min-width: 1024px) {
  .site-header.has-banner:not(.scrolled) {
    background: linear-gradient(to bottom, rgba(10,22,40,0.92) 0%, rgba(10,22,40,0.55) 55%, transparent 100%);
  }

  .site-header.has-banner:not(.scrolled) .header-logo img {
    height: 52px;
  }

  .hero-grid {
    grid-template-columns: repeat(12, 1fr);
    gap: 32px;
  }

  .hero-content {
    grid-column: span 6 / span 6;
  }

  .hero-title {
    font-size: 56px;
  }

  .hero-desc {
    font-size: 18px;
  }
}

@media (min-width: 1280px) {
  .hero-title {
    font-size: 60px;
  }
}

@media (max-width: 1023px) {
  .hero {
    min-height: 660px;
  }
  
  .hero-inner {
    padding-top: 110px;
    padding-bottom: 90px;
  }
  
  .hero-grid {
    min-height: auto;
  }
}

@media (max-width: 767px) {
  .hero {
    min-height: 620px;
  }
  
  .hero-title {
    font-size: 30px;
  }
  
  .hero-desc {
    font-size: 15px;
    max-width: 100%;
  }
  
  .banner-slide.hero-bg-product {
    background-size: cover;
    background-position: 65% center;
  }

  .banner-overlay {
    background:
      linear-gradient(to top, rgba(6,18,36,0.5) 0%, transparent 40%),
      linear-gradient(to right, rgba(6,18,36,0.96) 0%, rgba(6,18,36,0.9) 60%, rgba(6,18,36,0.65) 100%);
  }

  .banner-dots {
    bottom: 24px;
  }
}

/* Section common */
.section {
  width: 100%;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}

.section-badge {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--primary-600);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-badge::before,
.section-badge::after {
  content: '';
  width: 32px;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--primary-500));
}

.section-badge::before {
  transform: scaleX(-1);
}

.section-title {
  font-size: 32px;
  font-weight: 800;
  color: var(--text-900);
  margin-bottom: 18px;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.section-title::after {
  display: none;
}

.section-desc {
  font-size: 16px;
  color: var(--text-500);
  line-height: 1.8;
}

@media (min-width: 768px) {
  .section-header {
    margin-bottom: 68px;
  }
  
  .section-badge {
    font-size: 14px;
  }
  
  .section-title {
    font-size: 42px;
    margin-bottom: 20px;
  }
  
  .section-desc {
    font-size: 17px;
  }
}

/* Tech-style section headers (products / advantages / scenarios) */
.section-header-tech {
  max-width: 900px;
}

.section-header-tech .section-badge {
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.14em;
  gap: 16px;
  margin-bottom: 14px;
}

.section-header-tech .section-badge::before,
.section-header-tech .section-badge::after {
  width: 44px;
}

.section-header-tech .section-en {
  display: block;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.25em;
  color: #0f172a;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.section-header-tech .section-title {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: #0f172a;
  background: linear-gradient(135deg, #0f172a 0%, #1e40af 70%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 4px 20px rgba(30,64,175,0.12);
}

.section-header-tech .section-desc {
  font-size: 18px;
  color: var(--text-500);
  margin-top: 22px;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 768px) {
  .section-header-tech .section-badge {
    font-size: 18px;
  }
  
  .section-header-tech .section-badge::before,
  .section-header-tech .section-badge::after {
    width: 56px;
  }
  
  .section-header-tech .section-en {
    font-size: 20px;
    margin-bottom: 12px;
  }
  
  .section-header-tech .section-title {
    font-size: 48px;
  }
  
  .section-header-tech .section-desc {
    font-size: 18px;
    margin-top: 24px;
  }
}

/* Products */
.products-section {
  background: var(--bg-gray);
  padding: 64px 0;
}

.products-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.product-card {
  position: relative;
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-100);
  box-shadow: var(--shadow-sm);
  transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-600), var(--primary-500), var(--cyan-500));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 10;
}

.product-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 25px 50px -12px rgba(10,29,58,0.15);
  border-color: #bfdbfe;
}

.product-card:hover::before {
  transform: scaleX(1);
}

.product-image {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: linear-gradient(to bottom right, #f9fafb, #eff6ff);
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-card:hover .product-image img {
  transform: scale(1.05);
}

.product-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 10;
  padding: 6px 14px;
  background: rgba(37,99,235,0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: 999px;
  box-shadow: 0 4px 12px -2px rgba(37,99,235,0.3);
}

.product-body {
  padding: 24px;
}

.product-body h3 {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-900);
  margin-bottom: 14px;
  transition: color 0.3s ease;
}

.product-card:hover .product-body h3 {
  color: var(--primary-600);
}

.product-desc {
  font-size: 16px;
  color: var(--text-600);
  line-height: 1.7;
  margin-bottom: 20px;
}

.product-features {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.product-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: var(--text-700);
}

.product-feature::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--primary-500);
  flex-shrink: 0;
}

.product-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 17px;
  font-weight: 700;
  color: var(--primary-600);
  transition: all 0.3s ease;
}

.product-link:hover {
  gap: 14px;
  color: var(--primary-700);
}

.product-link svg {
  transition: transform 0.3s ease;
}

.product-link:hover svg {
  transform: translateX(4px);
}

@media (min-width: 768px) {
  .products-section {
    padding: 80px 0;
  }
  
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
  
  .product-body {
    padding: 28px;
  }
}

@media (min-width: 1024px) {
  .products-section {
    padding: 112px 0;
  }
  
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .product-body h3 {
    font-size: 30px;
  }
  
  .product-desc {
    font-size: 18px;
  }
}

/* Advantages */
.advantages-section {
  background: #fff;
  padding: 64px 0;
}

.advantages-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.advantage-card {
  position: relative;
  padding: 24px;
  background: linear-gradient(145deg, #f9fafb, #fff);
  border: 1px solid var(--border-100);
  border-radius: var(--radius-lg);
  transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  overflow: hidden;
}

.advantage-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 0;
  background: linear-gradient(90deg, var(--primary-600), var(--primary-500), var(--cyan-500));
  transition: height 0.4s ease;
  z-index: 0;
}

.advantage-card:hover {
  transform: translateY(-8px);
  border-color: #bfdbfe;
  box-shadow: 0 25px 50px -12px rgba(10,29,58,0.12);
}

.advantage-card:hover::before {
  height: 3px;
}

.advantage-icon {
  position: relative;
  width: 72px;
  height: 72px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  margin-bottom: 24px;
  box-shadow:
    0 14px 28px -4px rgba(37,99,235,0.3),
    0 0 0 1px rgba(255,255,255,0.2) inset;
  transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  z-index: 1;
}

.advantage-icon::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  border-radius: 14px 14px 0 0;
  background: linear-gradient(to bottom, rgba(255,255,255,0.2), transparent);
  pointer-events: none;
}

.advantage-card:hover .advantage-icon {
  transform: scale(1.12) rotate(3deg);
  box-shadow:
    0 14px 28px -4px rgba(37,99,235,0.35),
    0 0 0 1px rgba(255,255,255,0.25) inset;
}

.advantage-icon svg {
  width: 36px;
  height: 36px;
}

.advantage-card h3 {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-900);
  margin-bottom: 14px;
  transition: color 0.3s ease;
}

.advantage-card:hover h3 {
  color: var(--primary-600);
}

.advantage-desc {
  font-size: 17px;
  color: var(--text-600);
  line-height: 1.7;
}

.advantage-line {
  position: relative;
  margin-top: 22px;
  width: 48px;
  height: 4px;
  background: linear-gradient(to right, var(--primary-500), transparent);
  border-radius: 999px;
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.advantage-card:hover .advantage-line {
  width: 72px;
}

@media (min-width: 640px) {
  .advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .advantages-section {
    padding: 80px 0;
  }
  
  .advantage-card {
    padding: 32px;
  }
}

@media (min-width: 1024px) {
  .advantages-section {
    padding: 112px 0;
  }
  
  .advantages-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
  }
  
  .advantage-card h3 {
    font-size: 28px;
  }
  
  .advantage-desc {
    font-size: 18px;
  }
}

/* About */
.about-section {
  background: var(--bg-gray);
  padding: 64px 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: stretch;
}

.about-showcase {
  display: flex;
  flex-direction: column;
  gap: 24px;
  height: 100%;
}

.about-gallery-slider {
  position: relative;
  flex: 1 1 auto;
  min-height: 280px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(10,29,58,0.12);
}

.about-gallery-slides {
  position: relative;
  width: 100%;
  height: 100%;
}

.about-gallery-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
}

.about-gallery-slide.active {
  opacity: 1;
}

.about-gallery-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,29,58,0.7) 0%, rgba(10,29,58,0.2) 50%, transparent 100%);
}

.about-gallery-caption {
  position: absolute;
  bottom: 24px;
  left: 24px;
  color: #fff;
  z-index: 2;
}

.about-gallery-title {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 6px;
}

.about-gallery-subtitle {
  font-size: 14px;
  color: rgba(191,219,254,0.9);
}

.about-gallery-dots {
  position: absolute;
  bottom: 24px;
  right: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 3;
}

.about-gallery-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.about-gallery-dot.active {
  background: #fff;
  transform: scale(1.2);
}

.about-stats-card {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-100);
  flex-shrink: 0;
}

.about-stat {
  text-align: center;
}

.about-stat-number {
  font-size: 26px;
  font-weight: 800;
  background: linear-gradient(90deg, var(--primary-600), var(--primary-500));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 6px;
}

.about-stat-label {
  font-size: 13px;
  color: var(--text-500);
}

.about-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 28px;
  height: 100%;
}

.about-content h2 {
  font-size: 32px;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: #0f172a;
  background: linear-gradient(135deg, #0f172a 0%, #1e40af 70%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-description {
  font-size: 16px;
  color: var(--text-600);
  line-height: 1.9;
}

.about-content-bottom {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.timeline-title,
.honors-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-900);
  margin-bottom: 16px;
}

.timeline-title svg,
.honors-title svg {
  width: 18px;
  height: 18px;
  color: var(--primary-500);
}

.timeline-items {
  position: relative;
  padding-left: 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.timeline-items::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--primary-500), #bfdbfe);
  border-radius: 2px;
}

.timeline-item {
  position: relative;
}

.timeline-dot {
  position: absolute;
  left: -24px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--primary-500);
  border: 3px solid #fff;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

.timeline-year {
  font-size: 14px;
  font-weight: 800;
  color: var(--primary-600);
  margin-bottom: 2px;
}

.timeline-item-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-900);
  margin-bottom: 4px;
}

.timeline-item-desc {
  font-size: 13px;
  color: var(--text-500);
  line-height: 1.6;
}

.honors-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.honor-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-700);
  box-shadow: var(--shadow-sm);
}

@media (min-width: 768px) {
  .about-section {
    padding: 80px 0;
  }
  
  .about-content h2 {
    font-size: 38px;
  }
  
  .about-stats-card {
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    padding: 28px;
  }
  
  .about-stat-number {
    font-size: 30px;
  }
  
  .about-gallery-title {
    font-size: 24px;
  }
}

@media (min-width: 1024px) {
  .about-section {
    padding: 112px 0;
  }
  
  .about-grid {
    grid-template-columns: 1fr 1fr;
    gap: 64px;
  }
  
  .about-content {
    padding-left: 16px;
  }
  
  .about-content h2 {
    font-size: 42px;
  }
  
  .about-description {
    font-size: 17px;
  }
}

/* Scenarios */
.scenarios-section {
  background: #fff;
  padding: 64px 0;
}

.scenarios-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.scenario-card {
  position: relative;
  display: block;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 16/11;
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow-sm);
  text-decoration: none;
}

.scenario-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-image: inherit;
  transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 0;
}

.scenario-card:hover::before {
  transform: scale(1.08);
}

.scenario-card:hover {
  box-shadow: 0 25px 50px -12px rgba(10,29,58,0.25);
}

.scenario-gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,22,40,0.72) 0%, rgba(10,22,40,0.25) 50%, transparent 80%);
  z-index: 1;
}

.scenario-overlay {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  padding: 18px 20px 20px;
  color: #fff;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.scenario-overlay h3 {
  font-size: 20px;
  color: #ffffff;
  font-weight: 700;
  margin-bottom: 0;
  line-height: 1.3;
  transition: color 0.3s ease;
}

.scenario-card:hover .scenario-overlay h3 {
  color: #93c5fd;
}

.scenario-desc {
  font-size: 14px;
  color: var(--text-600);
  line-height: 1.7;
  margin: 14px 0 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

@media (min-width: 768px) {
  .scenarios-section {
    padding: 80px 0;
  }
  
  .scenarios-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }
  
  .scenario-overlay {
    padding: 22px 24px 24px;
  }
  
  .scenario-overlay h3 {
    font-size: 24px;
  }
  
  .scenario-desc {
    font-size: 15px;
    -webkit-line-clamp: 3;
  }
}

@media (min-width: 1024px) {
  .scenarios-section {
    padding: 112px 0;
  }
}

/* News */
.news-section {
  background: var(--bg-gray);
  padding: 64px 0;
}

.news-header {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 40px;
}

.news-tabs {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 5px;
  background: rgba(255,255,255,0.8);
  border-radius: 14px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  width: fit-content;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.news-tab {
  padding: 9px 18px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-600);
  cursor: pointer;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
  background: none;
  position: relative;
}

.news-tab:hover {
  color: var(--text-900);
  background: rgba(243,244,246,0.8);
}

.news-tab.active {
  background: linear-gradient(135deg, var(--primary-600), var(--primary-500));
  color: #fff;
  box-shadow: 0 4px 12px -2px rgba(37,99,235,0.35);
  font-weight: 600;
}

.news-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.news-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-100);
  box-shadow: var(--shadow-sm);
  transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  cursor: pointer;
}

.news-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 25px 50px -12px rgba(10,29,58,0.12);
  border-color: #dbeafe;
}

.news-card.hidden {
  display: none;
}

.news-image {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: #f3f4f6;
}

.news-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.news-card:hover .news-image img {
  transform: scale(1.05);
}

.news-category {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: 999px;
  color: #fff;
  z-index: 10;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 4px 12px -2px rgba(0,0,0,0.15);
}

.news-category.company {
  background: rgba(37,99,235,0.9);
}

.news-category.industry {
  background: rgba(5,150,105,0.9);
}

.news-body {
  padding: 24px;
}

.news-date {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-500);
  font-size: 12px;
  margin-bottom: 12px;
  padding: 4px 10px;
  background: var(--bg-gray);
  border-radius: 999px;
}

.news-date svg {
  width: 13px;
  height: 13px;
  color: var(--text-400);
}

.news-body h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-900);
  line-height: 1.5;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.3s ease;
}

.news-card:hover .news-body h3 {
  color: var(--primary-600);
}

.news-excerpt {
  font-size: 14px;
  color: var(--text-600);
  line-height: 1.7;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-600);
  transition: all 0.3s ease;
}

.news-link:hover {
  gap: 10px;
  color: var(--primary-700);
}

@media (min-width: 768px) {
  .news-section {
    padding: 80px 0;
  }
  
  .news-header {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }
  
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
}

@media (min-width: 1024px) {
  .news-section {
    padding: 112px 0;
  }
  
  .news-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Contact */
.contact-section {
  position: relative;
  background: linear-gradient(to bottom right, #061224, #0a1d3a 50%, #061224);
  color: #fff;
  padding: 64px 0;
  overflow: hidden;
}

.contact-grid-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(59,130,246,0.2) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,0.2) 1px, transparent 1px);
  background-size: 50px 50px;
}

.contact-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(64px);
  pointer-events: none;
}

.contact-glow-1 {
  top: 0;
  right: 0;
  width: 384px;
  height: 384px;
  background: rgba(59,130,246,0.1);
}

.contact-glow-2 {
  bottom: 0;
  left: 0;
  width: 384px;
  height: 384px;
  background: rgba(37,99,235,0.1);
}

.contact-section .section-header h2,
.contact-section .section-title {
  color: #fff;
}

.contact-section .section-desc {
  color: var(--text-400);
}

.contact-section .section-badge {
  font-size: 17px;
  font-weight: 800;
  padding: 8px 20px;
  letter-spacing: 0.1em;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 16px;
  height: 100%;
}

.contact-item {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  transition: all 0.3s ease;
  min-height: 0;
}

.contact-item:hover {
  border-color: rgba(59,130,246,0.4);
  background: rgba(255,255,255,0.08);
  transform: translateY(-2px);
  box-shadow: 0 12px 24px -8px rgba(0,0,0,0.2);
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 10px 15px -3px rgba(37,99,235,0.2);
}

.contact-item-label {
  font-size: 13px;
  color: var(--text-400);
  margin-bottom: 2px;
}

.contact-item-value {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
}

.contact-item-note {
  font-size: 12px;
  color: var(--text-500);
  margin-top: 2px;
}

.contact-form-wrap {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 24px;
  height: 100%;
}

.contact-form-wrap h3 {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.contact-form-wrap > p {
  font-size: 14px;
  color: var(--text-400);
  margin-bottom: 24px;
}

.contact-form .form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 14px;
  color: rgba(209,213,219,1);
  margin-bottom: 6px;
}

.form-group .required {
  color: #f87171;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  color: #fff;
  font-size: 14px;
  font-family: inherit;
  transition: all 0.3s ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-500);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: rgba(59,130,246,0.5);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
}

.form-group textarea {
  resize: none;
  min-height: 120px;
}

.contact-submit {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 15px 24px;
  background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-500) 50%, #60a5fa 100%);
  background-size: 200% 100%;
  background-position: 0% 50%;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: none;
  border-radius: 14px;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  isolation: isolate;
  box-shadow:
    0 4px 6px -1px rgba(37,99,235,0.2),
    0 10px 25px -5px rgba(37,99,235,0.4);
}

.contact-submit::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
  z-index: -1;
}

.contact-submit:hover {
  background-position: 100% 50%;
  transform: translateY(-2px);
  box-shadow:
    0 8px 12px -2px rgba(37,99,235,0.25),
    0 18px 35px -8px rgba(37,99,235,0.5);
}

.contact-submit:hover::before {
  transform: translateX(100%);
}

.contact-submit svg,
.contact-submit i {
  transition: transform 0.3s ease;
}

.contact-submit:hover svg,
.contact-submit:hover i {
  transform: translateX(3px);
}

@media (min-width: 768px) {
  .contact-section {
    padding: 80px 0;
  }
  
  .contact-form-wrap {
    padding: 32px;
  }
  
  .contact-form .form-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .contact-section {
    padding: 112px 0;
  }
  
  .contact-grid {
    grid-template-columns: 2fr 3fr;
    gap: 48px;
    align-items: stretch;
  }
  
  .contact-info {
    gap: 20px;
  }
}

/* Contact page redesign */
.contact-info-strip {
  position: relative;
  padding: 48px 0;
  background: linear-gradient(135deg, #0a1628 0%, #12264a 100%);
  color: #fff;
  margin-top: -1px;
}

.contact-info-strip-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.contact-info-block {
  text-align: center;
  padding: 28px 20px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform 0.3s ease, background 0.3s ease;
}

.contact-info-block:hover {
  transform: translateY(-4px);
  background: rgba(255,255,255,0.1);
}

.contact-info-block-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
  color: #fff;
  box-shadow: 0 8px 24px -8px rgba(37,99,235,0.45);
}

.contact-info-block-label {
  font-size: 13px;
  color: rgba(255,255,255,0.65);
  margin-bottom: 6px;
  letter-spacing: 0.04em;
}

.contact-info-block-value {
  font-size: 18px;
  font-weight: 600;
  color: #fff;
  line-height: 1.4;
}

.contact-info-block-note {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  margin-top: 6px;
}

.contact-body {
  background: #f8fafc;
  padding: 64px 0;
}

.contact-body-grid {
  display: grid;
  gap: 32px;
}

.contact-form-card {
  padding: 32px;
  background: #fff;
  border-radius: 20px;
  border-left: 4px solid var(--primary-500);
  box-shadow: 0 10px 40px -12px rgba(15,23,42,0.1);
}

.contact-form-card-header {
  margin-bottom: 28px;
}

.contact-form-card-header h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-900);
}

.contact-form-card-header p {
  margin-top: 8px;
  font-size: 14px;
  color: var(--text-500);
}

.contact-body .form-group label {
  color: var(--text-600);
}

.contact-body .form-group input,
.contact-body .form-group textarea {
  background: #f8fafc;
  border-color: #e2e8f0;
  color: var(--text-900);
}

.contact-body .form-group input::placeholder,
.contact-body .form-group textarea::placeholder {
  color: var(--text-400);
}

.contact-body .form-group input:focus,
.contact-body .form-group textarea:focus {
  background: #fff;
  border-color: var(--primary-400);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.12);
}

.contact-image-card {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 10px 40px -12px rgba(15,23,42,0.15);
  min-height: 320px;
}

.contact-image-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.contact-image-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 24px;
  background: linear-gradient(to top, rgba(6,18,36,0.85), transparent);
  color: #fff;
}

.contact-image-caption strong {
  display: block;
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 4px;
}

.contact-image-caption span {
  font-size: 14px;
  color: rgba(255,255,255,0.8);
}

@media (min-width: 768px) {
  .contact-info-strip-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-body {
    padding: 80px 0;
  }
}

@media (min-width: 1024px) {
  .contact-info-strip-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .contact-body {
    padding: 112px 0;
  }

  .contact-body-grid {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: stretch;
  }

  .contact-form-card {
    padding: 40px;
  }
}

/* Advantages page */
.advantages-page {
  background: #f8fafc;
}

.advantages-intro {
  padding: 64px 0 32px;
}

.advantages-list-section {
  padding-bottom: 80px;
}

.advantages-list-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.advantage-detail-card {
  position: relative;
  padding: 32px;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 20px;
  box-shadow: 0 4px 24px -6px rgba(15,23,42,0.06);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
  overflow: hidden;
}

.advantage-detail-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px -12px rgba(15,23,42,0.12);
}

.advantage-detail-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-600), var(--primary-400));
}

.advantage-detail-icon {
  width: 72px;
  height: 72px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(59,130,246,0.12) 0%, rgba(96,165,250,0.08) 100%);
  color: var(--primary-600);
}

.advantage-detail-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-900);
  margin-bottom: 12px;
}

.advantage-detail-card p {
  font-size: 15px;
  color: var(--text-600);
  line-height: 1.7;
}

@media (min-width: 768px) {
  .advantages-intro {
    padding: 80px 0 40px;
  }

  .advantages-list-section {
    padding-bottom: 96px;
  }

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

@media (min-width: 1024px) {
  .advantages-intro {
    padding: 112px 0 48px;
  }

  .advantages-list-section {
    padding-bottom: 112px;
  }

  .advantage-detail-card {
    padding: 40px;
  }
}

/* News pages */
.news-page {
  background: #f8fafc;
  padding: 64px 0;
}

.news-page-header {
  text-align: center;
  margin-bottom: 48px;
}

.news-page-header .section-badge {
  margin: 0 auto 16px;
}

.news-page-subtitle {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-900);
}

.news-page .news-tabs {
  margin: 0 auto 40px;
  flex-wrap: wrap;
  justify-content: center;
}

.news-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.news-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 20px -4px rgba(15,23,42,0.06);
  border: 1px solid #e2e8f0;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.news-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px -10px rgba(15,23,42,0.12);
}

.news-card-image {
  display: block;
  height: 200px;
  overflow: hidden;
  background: #eef2f6;
}

.news-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.news-card:hover .news-card-image img {
  transform: scale(1.06);
}

.news-card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 24px;
}

.news-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 13px;
}

.news-card-date {
  color: var(--text-500);
}

.news-card-category {
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(59,130,246,0.1);
  color: var(--primary-600);
  font-weight: 500;
}

.news-card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-900);
  line-height: 1.4;
  margin-bottom: 10px;
}

.news-card-title a {
  color: inherit;
  text-decoration: none;
}

.news-card-title a:hover {
  color: var(--primary-600);
}

.news-card-summary {
  font-size: 14px;
  color: var(--text-600);
  line-height: 1.7;
  margin-bottom: 16px;
  flex: 1;
}

.news-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-600);
  text-decoration: none;
}

.news-card-link svg {
  transition: transform 0.3s ease;
}

.news-card-link:hover svg {
  transform: translateX(4px);
}

.news-detail-layout {
  display: grid;
  gap: 32px;
}

.news-detail {
  background: #fff;
  border-radius: 20px;
  padding: 32px;
  box-shadow: 0 4px 24px -4px rgba(15,23,42,0.06);
  border: 1px solid #e2e8f0;
}

.news-detail-header {
  padding-bottom: 24px;
  border-bottom: 1px solid #e2e8f0;
  margin-bottom: 28px;
}

.news-detail-category {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(59,130,246,0.1);
  color: var(--primary-600);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 14px;
}

.news-detail-header h1 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-900);
  line-height: 1.4;
  margin-bottom: 16px;
}

.news-detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 14px;
  color: var(--text-500);
}

.news-detail-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.news-detail-body {
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-700);
}

.news-detail-body p {
  margin-bottom: 16px;
}

.news-detail-body img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  margin: 20px 0;
}

.news-detail-footer {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid #e2e8f0;
}

.news-back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 10px;
  background: #f1f5f9;
  color: var(--text-700);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
}

.news-back-link:hover {
  background: var(--primary-600);
  color: #fff;
}

.news-sidebar {
  align-self: start;
}

.news-sidebar-card {
  background: #fff;
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 4px 20px -4px rgba(15,23,42,0.06);
  border: 1px solid #e2e8f0;
}

.news-sidebar-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-900);
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--primary-500);
}

.news-sidebar-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.news-sidebar-list li + li {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid #f1f5f9;
}

.news-sidebar-list a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-decoration: none;
}

.news-sidebar-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-800);
  line-height: 1.5;
  transition: color 0.2s ease;
}

.news-sidebar-list a:hover .news-sidebar-title {
  color: var(--primary-600);
}

.news-sidebar-date {
  font-size: 12px;
  color: var(--text-500);
}

@media (min-width: 768px) {
  .news-page {
    padding: 80px 0;
  }

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

  .news-detail {
    padding: 40px;
  }

  .news-detail-header h1 {
    font-size: 32px;
  }
}

@media (min-width: 1024px) {
  .news-page {
    padding: 112px 0;
  }

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

  .news-detail-layout {
    grid-template-columns: 1fr 320px;
    gap: 40px;
  }
}

/* Product pages */
.product-list-page {
  background: var(--bg-gray);
  padding: 64px 0;
}

.product-list-header {
  margin-bottom: 48px;
}

.product-list-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .product-list-page {
    padding: 80px 0;
  }
  
  .product-list-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
}

@media (min-width: 1024px) {
  .product-list-page {
    padding: 112px 0;
  }
  
  .product-list-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Product list sidebar */
.product-list-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.product-sidebar {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-100);
  box-shadow: var(--shadow-sm);
  padding: 24px;
  height: fit-content;
}

.product-sidebar-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-900);
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--primary-100);
}

.product-sidebar-nav {
  display: flex;
  flex-direction: row;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.product-sidebar-item {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 12px;
  color: var(--text-700);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  flex-shrink: 0;
  border: 1px solid transparent;
}

.product-sidebar-thumb {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  object-fit: cover;
  background: var(--bg-gray);
  flex-shrink: 0;
}

.product-sidebar-name {
  flex: 1;
}

.product-sidebar-item:hover {
  background: #f8fafc;
  border-color: #dbeafe;
  color: var(--primary-700);
  transform: translateX(4px);
}

.product-sidebar-item.active {
  background: linear-gradient(135deg, var(--primary-600), var(--primary-500));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 8px 20px -4px rgba(37,99,235,0.35);
}

.product-sidebar-item svg {
  width: 16px;
  height: 16px;
  opacity: 0;
  transform: translateX(-4px);
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.product-sidebar-item:hover svg,
.product-sidebar-item.active svg {
  opacity: 1;
  transform: translateX(0);
}

@media (min-width: 1024px) {
  .product-list-layout {
    grid-template-columns: 320px 1fr;
    gap: 48px;
    align-items: start;
  }
  
  .product-sidebar {
    position: sticky;
    top: 100px;
    padding: 28px;
  }
  
  .product-sidebar-title {
    font-size: 20px;
  }
  
  .product-sidebar-nav {
    flex-direction: column;
    overflow-x: visible;
    gap: 8px;
  }
  
  .product-sidebar-item {
    justify-content: flex-start;
    white-space: normal;
    padding: 14px 16px;
    font-size: 15px;
  }
  
  .product-sidebar-thumb {
    width: 48px;
    height: 48px;
  }
}

/* Product detail */
.product-detail-page {
  background: var(--bg-gray);
  padding: 48px 0 80px;
}

.product-detail {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-100);
  box-shadow: var(--shadow-sm);
  padding: 32px;
  margin-bottom: 48px;
}

.product-detail-gallery {
  position: relative;
}

.product-detail-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(to bottom right, #f9fafb, #eff6ff);
  aspect-ratio: 4/3;
}

.product-detail-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-detail-info {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.product-detail-label {
  display: inline-flex;
  width: fit-content;
  padding: 6px 14px;
  background: var(--primary-100);
  color: var(--primary-700);
  font-size: 12px;
  font-weight: 600;
  border-radius: 999px;
}

.product-detail-title {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-900);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.product-detail-features {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.product-detail-features .product-feature {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: #f0f7ff;
  border: 1px solid #dbeafe;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  color: var(--primary-700);
}

.product-detail-features .product-feature::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary-500);
}

.product-detail-desc {
  font-size: 15px;
  color: var(--text-600);
  line-height: 1.8;
}

.product-detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 8px;
}

.pd-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
  isolation: isolate;
}

.pd-btn svg {
  transition: transform 0.3s ease;
}

.pd-btn-primary {
  background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-500) 50%, #60a5fa 100%);
  background-size: 200% 100%;
  background-position: 0% 50%;
  color: #fff;
  box-shadow: 0 10px 25px -5px rgba(37,99,235,0.35);
}

.pd-btn-primary:hover {
  background-position: 100% 50%;
  transform: translateY(-2px);
  box-shadow: 0 14px 35px -8px rgba(37,99,235,0.45);
}

.pd-btn-primary:hover svg {
  transform: translateX(4px);
}

.pd-btn-outline {
  background: #fff;
  color: var(--text-700);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.pd-btn-outline:hover {
  border-color: var(--primary-500);
  color: var(--primary-600);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.pd-btn-outline:hover svg {
  transform: translateX(4px);
}

.product-detail-body {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-100);
  box-shadow: var(--shadow-sm);
  padding: 40px;
  margin-bottom: 80px;
}

.product-detail-section-header {
  text-align: center;
  margin-bottom: 40px;
}

.product-detail-section-header h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-900);
  margin-bottom: 8px;
}

.product-detail-section-header p {
  font-size: 14px;
  color: var(--text-500);
}

.product-detail-content {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-700);
}

.product-detail-content p {
  margin-bottom: 16px;
}

.product-detail-content img {
  max-width: 100%;
  border-radius: var(--radius-lg);
  margin: 24px 0;
}

.related-products {
  margin-bottom: 32px;
}

@media (min-width: 768px) {
  .product-detail {
    padding: 48px;
  }
  
  .product-detail-title {
    font-size: 32px;
  }
  
  .product-detail-body {
    padding: 48px;
  }
}

@media (min-width: 1024px) {
  .product-detail-page {
    padding: 64px 0 112px;
  }
  
  .product-detail {
    grid-template-columns: 1.1fr 1fr;
    gap: 64px;
    padding: 64px;
  }
  
  .product-detail-title {
    font-size: 36px;
  }
}

/* Consult modal */
.consult-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.consult-modal.open {
  opacity: 1;
  visibility: visible;
}

.consult-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(6,18,36,0.7);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.consult-modal-content {
  position: relative;
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25);
  transform: translateY(20px) scale(0.96);
  transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.consult-modal.open .consult-modal-content {
  transform: translateY(0) scale(1);
}

.consult-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-gray);
  border: none;
  border-radius: 50%;
  font-size: 26px;
  line-height: 1;
  color: var(--text-600);
  cursor: pointer;
  transition: all 0.2s ease;
}

.consult-modal-close:hover {
  background: var(--primary-100);
  color: var(--primary-600);
  transform: rotate(90deg);
}

.consult-modal-header {
  text-align: center;
  margin-bottom: 28px;
}

.consult-modal-header h3 {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-900);
  margin-bottom: 8px;
}

.consult-modal-header p {
  font-size: 14px;
  color: var(--text-500);
}

.consult-form .form-group {
  margin-bottom: 16px;
}

.consult-form .form-group label {
  display: block;
  font-size: 14px;
  color: var(--text-700);
  margin-bottom: 6px;
}

.consult-form .form-group input,
.consult-form .form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-gray);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text-900);
  font-size: 14px;
  font-family: inherit;
  transition: all 0.3s ease;
}

.consult-form .form-group input::placeholder,
.consult-form .form-group textarea::placeholder {
  color: var(--text-400);
}

.consult-form .form-group input:focus,
.consult-form .form-group textarea:focus {
  outline: none;
  border-color: rgba(59,130,246,0.5);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
  background: #fff;
}

.consult-form .form-group textarea {
  resize: none;
  min-height: 100px;
}

.consult-form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0 16px;
}

@media (min-width: 640px) {
  .consult-form-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Footer */
.site-footer {
  background: #fff;
  border-top: 1px solid var(--border);
  padding: 48px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.footer-brand img {
  height: 48px;
  width: auto;
  object-fit: contain;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-600);
  line-height: 1.7;
}

.footer-title {
  font-size: 16px;
  font-weight: 800;
  color: var(--text-900);
  margin-bottom: 18px;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  font-size: 15px;
  color: var(--text-600);
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--primary-600);
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 15px;
  color: var(--text-600);
}

.footer-contact svg {
  width: 18px;
  height: 18px;
  color: var(--primary-500);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-bottom {
  margin-top: 40px;
  padding: 24px 0;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

.footer-bottom p {
  font-size: 12px;
  color: var(--text-500);
}

.footer-bottom-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.footer-bottom-links a {
  font-size: 12px;
  color: var(--text-500);
  transition: color 0.2s ease;
}

.footer-bottom-links a:hover {
  color: var(--text-700);
}

@media (min-width: 768px) {
  .site-footer {
    padding: 64px 0 0;
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-title {
    font-size: 18px;
  }
  
  .footer-links a,
  .footer-contact li {
    font-size: 16px;
  }
  
  .footer-contact svg {
    width: 20px;
    height: 20px;
  }
  
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr 1fr 1fr;
    gap: 48px;
  }
}

/* Floating consult button */
.float-consult {
  position: fixed;
  right: 24px;
  bottom: 100px;
  z-index: 999;
}

.float-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: linear-gradient(135deg, var(--primary-600), var(--primary-500));
  color: #fff;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 10px 25px -4px rgba(37,99,235,0.4);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.float-btn:hover {
  background: linear-gradient(135deg, var(--primary-500), #60a5fa);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 16px 35px -4px rgba(37,99,235,0.5);
}

@media (max-width: 768px) {
  .float-consult {
    right: 16px;
    bottom: 80px;
  }
  
  .float-btn {
    padding: 10px 14px;
    font-size: 13px;
  }
  
  .float-btn span {
    display: none;
  }
}

/* Scroll animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal {
  opacity: 0;
  animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.reveal-delay-1 { animation-delay: 0.1s; }
.reveal-delay-2 { animation-delay: 0.2s; }
.reveal-delay-3 { animation-delay: 0.3s; }
.reveal-delay-4 { animation-delay: 0.4s; }

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    animation: none;
    transform: none;
  }
}

/* Inner pages */
.page-banner {
  padding: 140px 0 60px;
  background: linear-gradient(135deg, #f0f7ff 0%, #ffffff 100%);
}

.page-banner h1 {
  font-size: 36px;
  font-weight: 700;
  color: var(--text-900);
  margin-bottom: 12px;
}

.page-banner p {
  color: var(--text-600);
}

.page-banner-image {
  position: relative;
  min-height: 380px;
  display: flex;
  align-items: center;
  padding: 140px 0 60px;
  background-color: #0a1628;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.page-banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(6,18,36,0.85) 0%, rgba(6,18,36,0.55) 50%, rgba(6,18,36,0.35) 100%);
}

.page-banner-image .container {
  position: relative;
  z-index: 2;
}

.page-banner-image h1 {
  color: #fff;
  font-size: 42px;
  text-shadow: 0 2px 12px rgba(6,18,36,0.35);
}

.page-banner-image .breadcrumb {
  color: rgba(255,255,255,0.8);
}

.page-banner-image .breadcrumb a {
  color: rgba(255,255,255,0.85);
}

.page-banner-image .breadcrumb a:hover {
  color: #fff;
}

@media (max-width: 768px) {
  .page-banner-image {
    min-height: 280px;
    padding: 120px 0 40px;
  }
  
  .page-banner-image h1 {
    font-size: 30px;
  }
}

.content-wrap {
  padding: 60px 0;
}

.article-list {
  display: grid;
  gap: 24px;
}

.article-item {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 24px;
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-100);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.article-item:hover {
  box-shadow: var(--shadow-lg);
}

.article-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 200px;
}

.article-info {
  padding: 24px;
}

.article-info h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}

.article-info h3 a:hover {
  color: var(--primary-600);
}

.article-meta {
  font-size: 13px;
  color: var(--text-500);
  margin-bottom: 12px;
}

.article-summary {
  font-size: 14px;
  color: var(--text-600);
  line-height: 1.7;
  margin-bottom: 16px;
}

.read-more {
  font-size: 14px;
  font-weight: 500;
  color: var(--primary-600);
}

.article-detail {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid var(--border-100);
  box-shadow: var(--shadow-sm);
}

.article-detail h1 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 16px;
}

.article-detail .meta {
  font-size: 13px;
  color: var(--text-500);
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-100);
}

.article-detail .content {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-700);
}

.article-detail .content p {
  margin-bottom: 16px;
}

.article-detail .content img {
  max-width: 100%;
  border-radius: 8px;
  margin: 16px 0;
}

.pager {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
}

.pager a,
.pager span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  font-size: 14px;
  color: var(--text-600);
}

.pager a:hover,
.pager .current {
  background: var(--primary-600);
  color: #fff;
  border-color: var(--primary-600);
}

@media (max-width: 768px) {
  .article-item {
    grid-template-columns: 1fr;
  }
  
  .article-item img {
    height: 200px;
  }
  
  .article-detail {
    padding: 28px;
  }
}

/* Scenario list inner page */
.scenario-list-section {
  background: var(--bg-gray);
}

.scenario-list-section .scenarios-grid {
  margin-bottom: 48px;
}

.scenario-list-section .pager {
  justify-content: center;
}

/* Scenario detail page */
.scenario-detail-page {
  background: var(--bg-gray);
  padding: 64px 0;
}

.scenario-detail {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-100);
  margin-bottom: 80px;
}

.scenario-detail-image {
  position: relative;
  min-height: 280px;
  overflow: hidden;
}

.scenario-detail-image img {
  width: 100%;
  height: 100%;
  min-height: 280px;
  object-fit: cover;
}

.scenario-detail-body {
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.scenario-detail-label {
  display: inline-flex;
  align-self: flex-start;
  padding: 6px 14px;
  background: rgba(37,99,235,0.08);
  border: 1px solid rgba(37,99,235,0.15);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary-600);
  letter-spacing: 0.05em;
}

.scenario-detail-title {
  font-size: 30px;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: #0f172a;
  background: linear-gradient(135deg, #0f172a 0%, #1e40af 70%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.scenario-detail-content {
  font-size: 16px;
  color: var(--text-600);
  line-height: 1.9;
}

.scenario-detail-content p {
  margin-bottom: 16px;
}

.scenario-detail-content img {
  max-width: 100%;
  border-radius: var(--radius-lg);
  margin: 16px 0;
}

.scenario-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  align-self: flex-start;
  margin-top: 8px;
  padding: 12px 24px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-700);
  transition: all 0.3s ease;
}

.scenario-back:hover {
  border-color: var(--primary-500);
  color: var(--primary-600);
  gap: 12px;
}

.scenario-back svg {
  transform: rotate(180deg);
  transition: transform 0.3s ease;
}

.scenario-back:hover svg {
  transform: rotate(180deg) translateX(-4px);
}

.related-scenarios {
  margin-top: 64px;
}

@media (min-width: 768px) {
  .scenario-detail-page {
    padding: 80px 0;
  }
  
  .scenario-detail {
    grid-template-columns: 1.1fr 1fr;
    gap: 0;
  }
  
  .scenario-detail-image {
    min-height: 100%;
  }
  
  .scenario-detail-image img {
    position: absolute;
    inset: 0;
    min-height: 100%;
  }
  
  .scenario-detail-body {
    padding: 48px;
  }
  
  .scenario-detail-title {
    font-size: 38px;
  }
}

@media (min-width: 1024px) {
  .scenario-detail-page {
    padding: 112px 0;
  }
  
  .scenario-detail-body {
    padding: 64px;
  }
  
  .scenario-detail-title {
    font-size: 42px;
  }
}

.footer-links-two-col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 32px;
  text-align: center;
}

.footer-title-center {
  text-align: center;
}

/* About inner page */
.about-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 48px;
  align-items: start;
}

.about-sidebar {
  position: sticky;
  top: 100px;
  background: #fff;
  border: 1px solid var(--border-100);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.sidebar-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-900);
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-100);
}

.sidebar-nav {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-nav li + li {
  margin-top: 4px;
}

.sidebar-link {
  display: block;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-600);
  transition: all 0.2s ease;
}

.sidebar-link:hover {
  background: var(--primary-50);
  color: var(--primary-600);
}

.sidebar-link.active {
  background: var(--primary-600);
  color: #fff;
}

.about-main .article-detail {
  margin-bottom: 0;
}

/* R&D strength section */
.rd-section {
  margin-top: 60px;
  background: #fff;
  border: 1px solid var(--border-100);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-sm);
}

.rd-header {
  text-align: center;
  margin-bottom: 36px;
}

.rd-header h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-900);
  margin-bottom: 10px;
}

.rd-header p {
  font-size: 15px;
  color: var(--text-600);
}

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

.rd-item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-100);
  background: var(--bg-gray);
}

.rd-image {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.rd-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.rd-item:hover .rd-image img {
  transform: scale(1.05);
}

.rd-caption {
  padding: 16px 16px 4px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-900);
}

.rd-subtitle {
  padding: 0 16px 16px;
  font-size: 13px;
  color: var(--text-600);
}

@media (max-width: 1024px) {
  .about-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .about-sidebar {
    position: static;
  }

  .sidebar-nav {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .sidebar-nav li + li {
    margin-top: 0;
  }

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

@media (max-width: 640px) {
  .rd-section {
    padding: 28px;
  }

  .rd-gallery {
    grid-template-columns: 1fr;
  }
}
.scenario-link { align-self: flex-end; }

/* Mobile product list */
@media (max-width: 767px) {
  .product-list-page {
    padding: 40px 0;
  }

  .product-list-header {
    margin-bottom: 28px;
  }

  .product-list-grid {
    gap: 16px;
  }

  .product-card {
    border-radius: 14px;
  }

  .product-image {
    aspect-ratio: 16/10;
  }

  .product-badge {
    top: 10px;
    left: 10px;
    padding: 4px 10px;
    font-size: 11px;
  }

  .product-body {
    padding: 18px;
  }

  .product-body h3 {
    font-size: 20px;
    margin-bottom: 10px;
  }

  .product-desc {
    font-size: 14px;
    margin-bottom: 14px;
    line-height: 1.6;
  }

  .product-features {
    margin-bottom: 14px;
    gap: 6px;
  }

  .product-feature {
    font-size: 14px;
    gap: 8px;
  }

  .product-link {
    font-size: 15px;
  }

  .product-sidebar {
    padding: 16px;
  }

  .product-sidebar-title {
    font-size: 16px;
    margin-bottom: 14px;
    padding-bottom: 12px;
  }

  .product-sidebar-item {
    padding: 10px 12px;
    font-size: 13px;
    gap: 8px;
  }

  .product-sidebar-thumb {
    width: 36px;
    height: 36px;
  }
}

/* Mobile horizontal scroll fix */
@media (max-width: 767px) {
  html {
    overflow-x: hidden;
  }

  .product-list-layout,
  .product-sidebar,
  .product-sidebar-nav,
  .product-list-grid {
    max-width: 100%;
    min-width: 0;
  }

  .product-sidebar-nav {
    width: 100%;
  }

  .product-sidebar-item {
    max-width: none;
  }
}

/* Mobile product sidebar vertical redesign */
@media (max-width: 767px) {
  .product-sidebar-nav {
    flex-direction: column;
    overflow-x: visible;
    gap: 8px;
    padding-bottom: 0;
  }

  .product-sidebar-item {
    flex-shrink: 1;
    white-space: normal;
    width: 100%;
    justify-content: flex-start;
    padding: 12px 14px;
    background: #f8fafc;
    border: 1px solid var(--border-100);
    border-radius: 12px;
  }

  .product-sidebar-item:hover {
    background: #eff6ff;
    border-color: #dbeafe;
    transform: none;
  }

  .product-sidebar-item.active {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-500));
    color: #fff;
    border-color: transparent;
  }

  .product-sidebar-item svg {
    opacity: 1;
    transform: translateX(0);
    margin-left: auto;
  }
}

/* Mobile product overflow fix */
@media (max-width: 767px) {
  .product-sidebar {
    overflow: hidden;
  }

  .product-sidebar-item {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  .product-sidebar-name {
    word-break: break-all;
    min-width: 0;
  }

  .product-main {
    min-width: 0;
    max-width: 100%;
  }

  .product-card {
    max-width: 100%;
  }

  .product-body {
    overflow: hidden;
  }
}

/* Header actions: CTA + language switch */
.header-actions {
  display: none;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 2px solid currentColor;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: inherit;
  transition: all 0.25s ease;
}

/* Scrolled header (dark text on light bg) */
.site-header.scrolled .lang-switch {
  border-color: var(--primary-600);
  color: var(--primary-600);
}
.site-header.scrolled .lang-switch:hover {
  background: var(--primary-600);
  color: #fff;
}

/* Banner / transparent header (white text) */
.site-header.has-banner:not(.scrolled) .lang-switch {
  border-color: rgba(255,255,255,0.85);
  color: rgba(255,255,255,0.95);
  text-shadow: 0 1px 2px rgba(0,0,0,0.15);
}
.site-header.has-banner:not(.scrolled) .lang-switch:hover {
  background: rgba(255,255,255,0.18);
  color: #fff;
}

/* Mobile header actions */
.mobile-header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
}

.mobile-lang-switch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.85);
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  flex-shrink: 0;
}

@media (min-width: 1024px) {
  .header-actions {
    display: flex;
  }
  
  .header-actions .header-cta {
    display: inline-flex;
  }
}