:root {
  --primary: #1a1a2e;
  --secondary: #16213e;
  --accent: #e94560;
  --accent-light: #ff6b81;
  --accent-glow: rgba(233, 69, 96, 0.4);
  --text-primary: #1a1a2e;
  --text-secondary: #4a4a6a;
  --text-light: #6b6b8a;
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fc;
  --bg-card: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.72);
  --border: #e8e8f0;
  --border-glass: rgba(255, 255, 255, 0.4);
  --shadow-sm: 0 2px 8px rgba(26, 26, 46, 0.06);
  --shadow-md: 0 4px 20px rgba(26, 26, 46, 0.08);
  --shadow-lg: 0 8px 40px rgba(26, 26, 46, 0.12);
  --shadow-glow: 0 8px 32px rgba(233, 69, 96, 0.25);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-slow: 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background-color var(--transition), color var(--transition);
}

body.dark-mode {
  --primary: #e8e8f0;
  --secondary: #c0c0d0;
  --text-primary: #e8e8f0;
  --text-secondary: #b0b0c8;
  --text-light: #8888a8;
  --bg-primary: #0f0f1a;
  --bg-secondary: #16162a;
  --bg-card: #1a1a30;
  --bg-glass: rgba(15, 15, 26, 0.78);
  --border: #2a2a45;
  --border-glass: rgba(255, 255, 255, 0.08);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 8px 32px rgba(233, 69, 96, 0.35);
}

::selection {
  background: var(--accent);
  color: #ffffff;
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-glass);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
  will-change: box-shadow;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: -0.02em;
  transition: var(--transition);
  flex-shrink: 0;
}

.logo:hover {
  transform: scale(1.03);
}

.logo svg {
  width: 36px;
  height: 36px;
  transition: var(--transition);
  filter: drop-shadow(0 2px 8px var(--accent-glow));
}

.logo:hover svg {
  transform: rotate(-6deg) scale(1.08);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 0.92rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  border-radius: 2px;
  transition: width var(--transition);
}

.nav-links a:hover {
  color: var(--accent);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.search-wrapper {
  position: relative;
}

.search-box {
  display: flex;
  align-items: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 6px 16px;
  transition: var(--transition);
}

.search-box:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(233, 69, 96, 0.12);
  background: var(--bg-card);
}

.search-box input {
  border: none;
  background: transparent;
  outline: none;
  font-size: 0.88rem;
  color: var(--text-primary);
  width: 140px;
  font-family: inherit;
  transition: width var(--transition);
}

.search-box input:focus {
  width: 180px;
}

.search-box input::placeholder {
  color: var(--text-light);
}

.search-box svg {
  width: 16px;
  height: 16px;
  fill: var(--text-light);
  flex-shrink: 0;
  transition: var(--transition);
}

.search-box:focus-within svg {
  fill: var(--accent);
}

.search-suggestions {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: none;
  z-index: 100;
  overflow: hidden;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.search-suggestions.show {
  display: block;
  animation: slideDown 0.25s ease;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.search-suggestions a {
  display: block;
  padding: 12px 16px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
  border-bottom: 1px solid var(--border);
}

.search-suggestions a:last-child {
  border-bottom: none;
}

.search-suggestions a:hover {
  background: var(--bg-secondary);
  color: var(--accent);
  padding-left: 22px;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.theme-toggle:hover {
  border-color: var(--accent);
  transform: rotate(20deg) scale(1.08);
  box-shadow: 0 0 16px var(--accent-glow);
}

.mobile-menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  transition: var(--transition);
  flex-shrink: 0;
}

.mobile-menu-btn:hover {
  border-color: var(--accent);
}

.mobile-menu-btn span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

.mobile-menu {
  position: fixed;
  top: 68px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-glass);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  z-index: 999;
  padding: 24px;
  display: none;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
}

.mobile-menu.open {
  display: flex;
  animation: slideDown 0.3s ease;
}

.mobile-menu a {
  padding: 14px 16px;
  font-size: 1rem;
  color: var(--text-primary);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  font-weight: 500;
  border: 1px solid transparent;
}

.mobile-menu a:hover {
  background: var(--bg-secondary);
  color: var(--accent);
  border-color: var(--border);
  padding-left: 24px;
}

.breadcrumb {
  padding: 16px 0;
  font-size: 0.85rem;
  color: var(--text-light);
}

.breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.breadcrumb li {
  display: flex;
  align-items: center;
}

.breadcrumb li::after {
  content: '›';
  margin-left: 6px;
  color: var(--text-light);
  font-weight: 700;
}

.breadcrumb li:last-child::after {
  display: none;
}

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

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

.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 40%, #0f3460 70%, #e94560 160%);
  border-radius: var(--radius-xl);
  margin: 20px 0 40px;
  min-height: 420px;
  box-shadow: var(--shadow-lg);
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(233, 69, 96, 0.25) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: float 8s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 107, 129, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-20px, 20px) scale(1.05); }
}

.hero-slide {
  display: none;
  padding: 60px 48px;
  min-height: 420px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-slide.active {
  display: flex;
  animation: fadeInUp 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-content {
  flex: 1;
  max-width: 600px;
}

.hero-badge {
  display: inline-block;
  background: rgba(233, 69, 96, 0.2);
  color: #ff6b81;
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: 0.05em;
  border: 1px solid rgba(233, 69, 96, 0.3);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.hero h1 {
  font-size: 2.6rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.25;
  margin-bottom: 18px;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(135deg, #e94560, #ff6b81);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 30px;
  line-height: 1.8;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-family: inherit;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, #e94560, #ff6b81);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(233, 69, 96, 0.4);
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(233, 69, 96, 0.55);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  border: 2px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.btn-outline:hover {
  border-color: #ffffff;
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.hero-visual {
  flex-shrink: 0;
  margin-left: 40px;
}

.hero-visual svg {
  width: 280px;
  height: 280px;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
  animation: floatVisual 6s ease-in-out infinite;
}

@keyframes floatVisual {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.hero-dots {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}

.hero-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: var(--transition);
  border: none;
  padding: 0;
}

.hero-dot:hover {
  background: rgba(255, 255, 255, 0.6);
}

.hero-dot.active {
  background: #e94560;
  width: 28px;
  border-radius: 5px;
  box-shadow: 0 0 12px rgba(233, 69, 96, 0.6);
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 0 0 60px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  transform: scaleX(0);
  transition: transform var(--transition);
}

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

.stat-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow);
  border-color: var(--accent);
}

.stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
  font-variant-numeric: tabular-nums;
}

.stat-label {
  font-size: 0.88rem;
  color: var(--text-light);
  font-weight: 500;
}

.section {
  padding: 60px 0;
}

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

.section-header h2 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.section-header p {
  font-size: 1rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

.section-header .divider {
  width: 48px;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  border-radius: 2px;
  margin: 16px auto 0;
}

.brand-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.brand-intro-text h2 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 20px;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.brand-intro-text p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  font-size: 0.98rem;
  line-height: 1.85;
}

.brand-intro-visual {
  display: flex;
  justify-content: center;
}

.brand-intro-visual svg {
  width: 100%;
  max-width: 400px;
  height: auto;
  transition: var(--transition-slow);
}

.brand-intro-visual:hover svg {
  transform: scale(1.03) rotate(1deg);
}

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

.advantage-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.advantage-card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(233, 69, 96, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  transform: translate(30%, -30%);
  transition: var(--transition);
}

.advantage-card:hover::after {
  transform: translate(20%, -20%) scale(1.3);
}

.advantage-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

.advantage-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.5rem;
  transition: var(--transition);
}

.advantage-card:hover .advantage-icon {
  transform: scale(1.1) rotate(-5deg);
}

.advantage-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.advantage-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.solution-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.solution-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--accent), var(--accent-light));
  opacity: 0;
  transition: var(--transition);
  border-radius: 4px 0 0 4px;
}

.solution-card:hover::before {
  opacity: 1;
}

.solution-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: var(--accent);
}

.solution-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.solution-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.applications-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.application-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  transition: var(--transition);
  cursor: default;
}

.application-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
  transform: translateY(-5px);
}

.application-card .icon {
  font-size: 2rem;
  margin-bottom: 12px;
  display: block;
  transition: var(--transition);
}

.application-card:hover .icon {
  transform: scale(1.2) translateY(-4px);
}

.application-card h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.application-card p {
  font-size: 0.82rem;
  color: var(--text-light);
}

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

.case-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.case-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

.case-card-header {
  padding: 24px 24px 0;
  display: flex;
  align-items: center;
  gap: 12px;
}

.case-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  color: #ffffff;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transition: var(--transition);
}

.case-card:hover .case-avatar {
  transform: scale(1.08);
}

.case-card-header h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.case-card-header span {
  font-size: 0.78rem;
  color: var(--text-light);
}

.case-card-body {
  padding: 16px 24px 24px;
}

.case-card-body p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 12px;
}

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

.case-tag {
  font-size: 0.72rem;
  padding: 3px 10px;
  border-radius: 50px;
  background: var(--bg-secondary);
  color: var(--text-light);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.case-card:hover .case-tag {
  border-color: var(--accent);
  color: var(--accent);
}

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

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 16px;
  right: 24px;
  font-size: 4rem;
  color: var(--accent);
  opacity: 0.08;
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

.testimonial-stars {
  color: #f5a623;
  font-size: 0.9rem;
  margin-bottom: 14px;
  letter-spacing: 2px;
}

.testimonial-card blockquote {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 18px;
  font-style: normal;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 10px;
}

.testimonial-author-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: #ffffff;
  flex-shrink: 0;
  transition: var(--transition);
}

.testimonial-card:hover .testimonial-author-avatar {
  transform: scale(1.1);
}

.testimonial-author-info h5 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
}

.testimonial-author-info span {
  font-size: 0.75rem;
  color: var(--text-light);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.news-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  display: flex;
  gap: 18px;
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

.news-date {
  flex-shrink: 0;
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-card));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.news-card:hover .news-date {
  border-color: var(--accent);
  box-shadow: 0 0 16px var(--accent-glow);
}

.news-date .day {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.news-date .month {
  font-size: 0.7rem;
  color: var(--text-light);
  margin-top: 2px;
}

.news-content h3 {
  font-size: 0.98rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-primary);
  line-height: 1.4;
  transition: var(--transition);
}

.news-card:hover .news-content h3 {
  color: var(--accent);
}

.news-content p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 10px;
}

.news-link {
  font-size: 0.82rem;
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.news-link:hover {
  color: var(--accent-light);
  gap: 8px;
}

.articles-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.article-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.article-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 0.78rem;
  color: var(--text-light);
  flex-wrap: wrap;
}

.article-meta .tag {
  background: rgba(233, 69, 96, 0.1);
  color: var(--accent);
  padding: 3px 10px;
  border-radius: 50px;
  font-weight: 600;
  transition: var(--transition);
}

.article-item:hover .article-meta .tag {
  background: rgba(233, 69, 96, 0.18);
}

.article-item h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
  line-height: 1.4;
  transition: var(--transition);
}

.article-item:hover h3 {
  color: var(--accent);
}

.article-item p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 14px;
}

.article-link {
  font-size: 0.85rem;
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.article-link:hover {
  color: var(--accent-light);
  gap: 8px;
}

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

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.faq-item.open {
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  transition: var(--transition);
}

.faq-question:hover {
  color: var(--accent);
}

.faq-question .arrow {
  font-size: 1.2rem;
  transition: var(--transition);
  flex-shrink: 0;
  color: var(--text-light);
}

.faq-item.open .faq-question .arrow {
  transform: rotate(180deg);
  color: var(--accent);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0 24px;
}

.faq-item.open .faq-answer {
  max-height: 500px;
  padding: 0 24px 20px;
}

.faq-answer p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.howto-steps {
  max-width: 800px;
  margin: 0 auto;
  counter-reset: step;
}

.howto-step {
  display: flex;
  gap: 20px;
  margin-bottom: 32px;
  position: relative;
}

.howto-step:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 24px;
  top: 56px;
  width: 2px;
  height: calc(100% - 20px);
  background: linear-gradient(180deg, var(--accent), transparent);
  opacity: 0.3;
}

.howto-step-number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  position: relative;
  z-index: 1;
  box-shadow: 0 4px 16px var(--accent-glow);
  transition: var(--transition);
}

.howto-step:hover .howto-step-number {
  transform: scale(1.1);
  box-shadow: 0 6px 24px var(--accent-glow);
}

.howto-step-content h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-primary);
  padding-top: 10px;
}

.howto-step-content p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  transition: var(--transition);
}

.contact-item:hover {
  transform: translateX(6px);
}

.contact-item-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
  transition: var(--transition);
}

.contact-item:hover .contact-item-icon {
  border-color: var(--accent);
  box-shadow: 0 0 16px var(--accent-glow);
  transform: scale(1.08);
}

.contact-item-text h4 {
  font-size: 0.92rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.contact-item-text p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.contact-map {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 300px;
  transition: var(--transition);
}

.contact-map:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}

.contact-map svg {
  width: 120px;
  height: 120px;
  margin-bottom: 16px;
  transition: var(--transition);
}

.contact-map:hover svg {
  transform: scale(1.08);
}

.contact-map h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.contact-map p {
  font-size: 0.85rem;
  color: var(--text-light);
}

.footer-links-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-bottom: 40px;
}

.footer-column h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.footer-column ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-column a {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
  display: inline-block;
}

.footer-column a:hover {
  color: var(--accent);
  padding-left: 6px;
}

.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 48px 0 24px;
  margin-top: 60px;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: var(--text-light);
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-bottom-links a {
  font-size: 0.82rem;
  color: var(--text-light);
  text-decoration: none;
  transition: var(--transition);
}

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

.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  color: #ffffff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 4px 20px rgba(233, 69, 96, 0.4);
  transition: var(--transition);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px) scale(1.08);
  box-shadow: 0 8px 32px rgba(233, 69, 96, 0.6);
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1024px) {
  .hero h1 { font-size: 2.2rem; }
  .hero-visual svg { width: 220px; height: 220px; }
  .advantages-grid { grid-template-columns: repeat(2, 1fr); }
  .applications-grid { grid-template-columns: repeat(2, 1fr); }
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-links-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .mobile-menu-btn { display: flex; }
  .search-box { display: none; }
  .hero-slide { flex-direction: column; padding: 40px 24px; text-align: center; }
  .hero h1 { font-size: 1.8rem; }
  .hero-visual { margin: 24px 0 0; }
  .hero-visual svg { width: 180px; height: 180px; }
  .hero-buttons { justify-content: center; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .brand-intro { grid-template-columns: 1fr; }
  .advantages-grid { grid-template-columns: 1fr; }
  .solutions-grid { grid-template-columns: 1fr; }
  .applications-grid { grid-template-columns: repeat(2, 1fr); }
  .cases-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .articles-list { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-links-grid { grid-template-columns: 1fr; }
  .section-header h2 { font-size: 1.5rem; }
  .section { padding: 40px 0; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.5rem; }
  .hero { border-radius: var(--radius-lg); }
  .stats { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat-number { font-size: 1.6rem; }
  .stat-card { padding: 20px 14px; }
  .applications-grid { grid-template-columns: 1fr; }
  .btn { padding: 12px 24px; font-size: 0.88rem; }
  .back-to-top { bottom: 20px; right: 20px; width: 42px; height: 42px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

@media print {
  .navbar, .back-to-top, .hero-dots, .theme-toggle, .mobile-menu-btn, .mobile-menu { display: none !important; }
  body { font-size: 12pt; background: #fff; color: #000; }
  .hero { background: #f0f0f0 !important; }
  .hero h1, .hero p { color: #000 !important; }
}