:root {
  --primary: #e94560;
  --primary-dark: #c73650;
  --primary-light: #ff6b81;
  --secondary: #1a1a2e;
  --secondary-light: #16213e;
  --accent: #0f3460;
  --bg: #f8f9fc;
  --bg-alt: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.85);
  --text: #1a1a2e;
  --text-secondary: #4a4a6a;
  --text-muted: #8888a0;
  --border: rgba(0, 0, 0, 0.08);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.14);
  --shadow-glow: 0 8px 32px rgba(233, 69, 96, 0.25);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.4);
  --glass-shadow: 0 8px 32px rgba(31, 38, 135, 0.1);
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", "Fira Code", "Fira Mono", "Roboto Mono", monospace;
  --max-width: 1200px;
  --header-height: 68px;
}

[data-theme="dark"] {
  --bg: #0f0f1a;
  --bg-alt: #16162a;
  --bg-card: rgba(30, 30, 50, 0.85);
  --text: #e8e8f0;
  --text-secondary: #b0b0c8;
  --text-muted: #707090;
  --border: rgba(255, 255, 255, 0.08);
  --glass-bg: rgba(30, 30, 50, 0.7);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
  --secondary: #e8e8f0;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
  transition: background var(--transition-base), color var(--transition-base);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 60% at 10% 0%, rgba(233, 69, 96, 0.06), transparent 60%),
    radial-gradient(ellipse 60% 50% at 90% 20%, rgba(15, 52, 96, 0.06), transparent 60%),
    radial-gradient(ellipse 70% 50% at 50% 100%, rgba(233, 69, 96, 0.04), transparent 60%);
  pointer-events: none;
}

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

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

a:hover {
  color: var(--primary-dark);
}

ul,
ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input,
button,
textarea,
select {
  font: inherit;
}

::selection {
  background: var(--primary);
  color: #fff;
}

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

::-webkit-scrollbar-track {
  background: transparent;
}

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

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

#site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

#site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  color: var(--text);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.5px;
  transition: transform var(--transition-fast);
}

.logo:hover {
  transform: scale(1.03);
  color: var(--text);
}

.logo svg {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(233, 69, 96, 0.3);
}

.logo-text {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

#main-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  display: block;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 60%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  border-radius: 2px;
  transition: transform var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
  background: rgba(233, 69, 96, 0.06);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.header-actions button {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
}

.header-actions button:hover {
  color: var(--primary);
  background: rgba(233, 69, 96, 0.08);
  transform: translateY(-1px);
}

#mobile-menu-btn {
  display: none;
}

.search-bar {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px 16px;
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.search-bar form {
  display: flex;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 6px;
  box-shadow: var(--shadow-sm);
}

.search-bar input {
  flex: 1;
  padding: 10px 16px;
  border: none;
  background: transparent;
  color: var(--text);
  font-size: 0.95rem;
  outline: none;
  border-radius: var(--radius-sm);
}

.search-bar input::placeholder {
  color: var(--text-muted);
}

.search-bar button {
  padding: 10px 24px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.search-bar button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow);
}

.breadcrumb {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 24px 0;
  font-size: 0.85rem;
}

.breadcrumb ol {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.breadcrumb li {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
}

.breadcrumb li:not(:last-child)::after {
  content: "/";
  color: var(--text-muted);
  opacity: 0.5;
}

.breadcrumb a {
  color: var(--text-secondary);
}

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

.breadcrumb [aria-current="page"] {
  color: var(--primary);
  font-weight: 500;
}

#main-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.hero-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 60px 0 80px;
  position: relative;
}

.hero-section::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(233, 69, 96, 0.12), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: -1;
  animation: floatGlow 8s ease-in-out infinite;
}

@keyframes floatGlow {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(-30px, 30px) scale(1.1);
  }
}

.hero-content {
  animation: fadeInUp 0.8s ease both;
}

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

.hero-content h1 {
  font-size: clamp(1.75rem, 4vw, 3rem);
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--text) 0%, var(--primary) 60%, var(--primary-light) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 32px;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.3px;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::before {
  opacity: 1;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 4px 16px rgba(233, 69, 96, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(233, 69, 96, 0.45);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(233, 69, 96, 0.35);
}

.banner-carousel {
  position: relative;
  background: linear-gradient(145deg, rgba(233, 69, 96, 0.08), rgba(15, 52, 96, 0.08));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--glass-shadow);
  overflow: hidden;
  animation: fadeInUp 0.8s 0.2s ease both;
}

.banner-carousel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light), var(--accent), var(--primary));
  background-size: 300% 100%;
  animation: gradientShift 4s linear infinite;
}

@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  100% {
    background-position: 300% 50%;
  }
}

.carousel-track {
  position: relative;
  min-height: 220px;
}

.carousel-slide {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
  opacity: 0;
  transform: translateX(30px) scale(0.96);
  transition: opacity 0.5s ease, transform 0.5s ease;
  pointer-events: none;
  padding: 8px;
}

.carousel-slide.active {
  opacity: 1;
  transform: translateX(0) scale(1);
  pointer-events: auto;
  position: relative;
}

.carousel-slide svg {
  width: 72px;
  height: 72px;
  filter: drop-shadow(0 4px 12px rgba(233, 69, 96, 0.2));
  transition: transform var(--transition-base);
}

.carousel-slide.active svg {
  animation: pulseIcon 2s ease-in-out infinite;
}

@keyframes pulseIcon {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.06);
  }
}

.carousel-slide h2 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.5px;
}

.carousel-slide p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 320px;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 28px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--text-muted);
  opacity: 0.4;
  transition: all var(--transition-base);
  position: relative;
}

.dot:hover {
  opacity: 0.7;
  transform: scale(1.2);
}

.dot.active {
  width: 28px;
  border-radius: 5px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  opacity: 1;
  box-shadow: 0 2px 8px rgba(233, 69, 96, 0.4);
}

.stats-section {
  padding: 0 0 80px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  background: linear-gradient(135deg, rgba(233, 69, 96, 0.06), rgba(15, 52, 96, 0.06));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--glass-shadow);
}

.stat-item {
  text-align: center;
  position: relative;
  padding: 8px;
}

.stat-item:not(:last-child)::after {
  content: "";
  position: absolute;
  right: -10px;
  top: 20%;
  height: 60%;
  width: 1px;
  background: var(--border);
}

.stat-number {
  display: block;
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
  letter-spacing: -1px;
  font-variant-numeric: tabular-nums;
}

.stat-label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 6px;
  font-weight: 500;
}

.content-section {
  padding: 80px 0;
  position: relative;
}

.content-section.alt-bg {
  background: var(--bg-alt);
  border-radius: var(--radius-xl);
  padding: 80px 48px;
  margin: 0 -24px;
  border: 1px solid var(--border);
}

.content-section h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 800;
  letter-spacing: -0.3px;
  margin-bottom: 36px;
  position: relative;
  padding-left: 20px;
  line-height: 1.3;
}

.content-section h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.15em;
  bottom: 0.15em;
  width: 5px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--primary), var(--primary-light));
  box-shadow: 0 0 12px rgba(233, 69, 96, 0.4);
}

.content-section h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text);
  letter-spacing: 0.2px;
}

.content-section p {
  color: var(--text-secondary);
  margin-bottom: 14px;
  line-height: 1.85;
}

.section-intro {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  margin-top: -20px;
  max-width: 720px;
}

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

.content-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  position: relative;
  overflow: hidden;
}

.content-block::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.content-block:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(233, 69, 96, 0.2);
}

.content-block:hover::before {
  transform: scaleX(1);
}

.content-block strong {
  color: var(--primary);
  font-weight: 600;
}

.product-showcase {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  position: relative;
  overflow: hidden;
}

.product-card::after {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(233, 69, 96, 0.08), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(233, 69, 96, 0.25);
}

.product-card:hover::after {
  opacity: 1;
}

.product-card svg {
  width: 48px;
  height: 48px;
  margin: 0 auto 18px;
  transition: transform var(--transition-base);
}

.product-card:hover svg {
  transform: scale(1.12) rotate(-4deg);
}

.product-card h3 {
  font-size: 1.05rem;
  margin-bottom: 10px;
}

.product-card p {
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 0;
}

.advantage-list {
  background: linear-gradient(135deg, rgba(233, 69, 96, 0.05), rgba(15, 52, 96, 0.05));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 40px 36px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--glass-shadow);
}

.advantage-list h3 {
  font-size: 1.3rem;
  margin-bottom: 24px;
  text-align: center;
}

.advantage-list ul {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px 32px;
}

.advantage-list li {
  position: relative;
  padding-left: 28px;
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.92rem;
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.advantage-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  box-shadow: 0 2px 6px rgba(233, 69, 96, 0.3);
}

.advantage-list li::after {
  content: "";
  position: absolute;
  left: 4.5px;
  top: calc(0.55em + 4.5px);
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #fff;
}

.advantage-list li:hover {
  transform: translateX(4px);
  color: var(--text);
}

.advantage-list strong {
  color: var(--primary);
  font-weight: 600;
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.solution-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  position: relative;
  overflow: hidden;
}

.solution-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--primary), var(--primary-light));
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--transition-base);
}

.solution-card:hover {
  transform: translateY(-6px) translateX(4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(233, 69, 96, 0.2);
}

.solution-card:hover::before {
  transform: scaleY(1);
}

.solution-card h3 {
  color: var(--primary);
}

.solution-card p {
  font-size: 0.92rem;
}

.solution-card strong {
  color: var(--text);
  font-weight: 600;
}

.industry-application {
  background: linear-gradient(135deg, rgba(233, 69, 96, 0.06), rgba(15, 52, 96, 0.06));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 36px 40px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--glass-shadow);
}

.industry-application h3 {
  text-align: center;
  margin-bottom: 18px;
}

.industry-application p {
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
  font-size: 0.95rem;
}

.industry-application strong {
  color: var(--primary);
  font-weight: 600;
}

.case-studies {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.case-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  position: relative;
  overflow: hidden;
}

.case-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.case-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(233, 69, 96, 0.2);
}

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

.case-card p {
  font-size: 0.9rem;
}

.testimonials {
  background: linear-gradient(135deg, rgba(233, 69, 96, 0.05), rgba(15, 52, 96, 0.05));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 40px 36px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--glass-shadow);
}

.testimonials h3 {
  text-align: center;
  margin-bottom: 28px;
}

.testimonials blockquote {
  background: var(--bg-card);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  position: relative;
}

.testimonials blockquote::before {
  content: "\201C";
  position: absolute;
  top: 8px;
  left: 16px;
  font-size: 3rem;
  line-height: 1;
  color: var(--primary);
  opacity: 0.15;
  font-family: Georgia, serif;
}

.testimonials blockquote:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-md);
}

.testimonials blockquote p {
  font-size: 0.92rem;
  font-style: italic;
  color: var(--text-secondary);
  margin: 0;
  position: relative;
  z-index: 1;
}

.article-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 26px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.article-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.article-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(233, 69, 96, 0.2);
}

.article-item:hover::before {
  transform: scaleX(1);
}

.article-item h3 {
  font-size: 1.05rem;
  line-height: 1.5;
  margin-bottom: 8px;
}

.article-item h3 a {
  color: var(--text);
  transition: color var(--transition-fast);
}

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

.article-item time {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 12px;
  font-variant-numeric: tabular-nums;
}

.article-item p {
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 16px;
  flex: 1;
}

.read-more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  transition: gap var(--transition-fast), color var(--transition-fast);
  align-self: flex-start;
}

.read-more:hover {
  gap: 8px;
  color: var(--primary-dark);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.faq-item[open] {
  box-shadow: var(--shadow-md);
  border-color: rgba(233, 69, 96, 0.25);
}

.faq-item summary {
  padding: 20px 24px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--text);
  transition: color var(--transition-fast), background var(--transition-fast);
  position: relative;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(233, 69, 96, 0.1);
  color: var(--primary);
  font-size: 1.1rem;
  font-weight: 400;
  transition: transform var(--transition-base), background var(--transition-base);
}

.faq-item[open] summary::after {
  content: "−";
  transform: rotate(180deg);
  background: var(--primary);
  color: #fff;
}

.faq-item summary:hover {
  color: var(--primary);
  background: rgba(233, 69, 96, 0.04);
}

.faq-item > div {
  padding: 0 24px 22px;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.faq-item p {
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--text-secondary);
  margin: 0;
}

.howto-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 48px 44px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
}

.howto-content h3 {
  font-size: 1.15rem;
  margin-top: 32px;
  margin-bottom: 14px;
  color: var(--primary);
  position: relative;
  padding-left: 16px;
}

.howto-content h3:first-child {
  margin-top: 0;
}

.howto-content h3::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.3em;
  bottom: 0.3em;
  width: 4px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--primary), var(--primary-light));
}

.howto-content ul,
.howto-content ol {
  margin-bottom: 8px;
  padding-left: 0;
}

.howto-content ol {
  counter-reset: howto-counter;
}

.howto-content ol li {
  counter-increment: howto-counter;
  position: relative;
  padding-left: 40px;
  margin-bottom: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
  font-size: 0.92rem;
}

.howto-content ol li::before {
  content: counter(howto-counter);
  position: absolute;
  left: 0;
  top: 0.05em;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(233, 69, 96, 0.3);
}

.howto-content ul li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 10px;
  color: var(--text-secondary);
  line-height: 1.75;
  font-size: 0.92rem;
}

.howto-content ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 3px rgba(233, 69, 96, 0.15);
}

.howto-content strong {
  color: var(--text);
  font-weight: 600;
}

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

.contact-info,
.contact-extra {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.contact-info:hover,
.contact-extra:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.contact-info h3,
.contact-extra h3 {
  color: var(--primary);
  margin-bottom: 20px;
}

.contact-extra h3:not(:first-child) {
  margin-top: 28px;
}

.contact-info address {
  font-style: normal;
}

.contact-info p {
  font-size: 0.9rem;
  margin-bottom: 12px;
  line-height: 1.7;
}

.contact-info a {
  color: var(--primary);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.contact-info a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

.contact-extra ul {
  margin-bottom: 8px;
}

.contact-extra li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 12px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.contact-extra li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  box-shadow: 0 0 0 3px rgba(233, 69, 96, 0.12);
}

.contact-extra p {
  font-size: 0.88rem;
  margin-bottom: 8px;
  color: var(--text-secondary);
}

.contact-extra strong {
  color: var(--text);
  font-weight: 600;
}

.footer-info {
  background: linear-gradient(160deg, var(--secondary) 0%, var(--accent) 100%);
  color: #e8e8f0;
  border-radius: var(--radius-xl);
  padding: 56px 48px 40px;
  margin: 40px -24px 0;
  position: relative;
  overflow: hidden;
}

[data-theme="dark"] .footer-info {
  background: linear-gradient(160deg, #0a0a14 0%, #1a1a2e 100%);
}

.footer-info::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(233, 69, 96, 0.15), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  position: relative;
  z-index: 1;
}

.footer-col h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 18px;
  color: #fff;
  letter-spacing: 0.5px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h3::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 32px;
  height: 2px;
  border-radius: 1px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col li a {
  color: rgba(232, 232, 240, 0.65);
  font-size: 0.88rem;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
  display: inline-block;
}

.footer-col li a:hover {
  color: var(--primary-light);
  padding-left: 4px;
}

.footer-col .copyright {
  font-size: 0.82rem;
  color: rgba(232, 232, 240, 0.5);
  margin-top: 20px;
  line-height: 1.7;
}

.footer-col .disclaimer-text {
  font-size: 0.78rem;
  color: rgba(232, 232, 240, 0.4);
  margin-top: 12px;
  line-height: 1.7;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

#back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 999;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 6px 20px rgba(233, 69, 96, 0.4);
  transition: transform var(--transition-base), box-shadow var(--transition-base), opacity var(--transition-base);
  animation: fadeInUp 0.3s ease;
}

#back-to-top:hover {
  transform: translateY(-4px) scale(1.08);
  box-shadow: 0 10px 32px rgba(233, 69, 96, 0.55);
}

#back-to-top:active {
  transform: translateY(-2px) scale(1.02);
}

.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: opacity, transform;
}

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

.reveal-delay-1 {
  transition-delay: 0.1s;
}

.reveal-delay-2 {
  transition-delay: 0.2s;
}

.reveal-delay-3 {
  transition-delay: 0.3s;
}

.reveal-delay-4 {
  transition-delay: 0.4s;
}

@media (max-width: 1024px) {
  .hero-section {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 40px 0 60px;
  }

  .hero-subtitle {
    max-width: 100%;
  }

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

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  .stat-item:nth-child(2)::after {
    display: none;
  }

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

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

@media (max-width: 768px) {
  :root {
    --header-height: 60px;
  }

  .header-inner {
    padding: 0 16px;
  }

  #main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-bottom: 1px solid var(--border);
    padding: 16px;
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-base), opacity var(--transition-base), visibility var(--transition-base);
    box-shadow: var(--shadow-lg);
    max-height: calc(100vh - var(--header-height));
    overflow-y: auto;
  }

  #main-nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  #main-nav ul {
    flex-direction: column;
    gap: 4px;
  }

  .nav-link {
    padding: 14px 16px;
    font-size: 1rem;
    border-radius: var(--radius-md);
  }

  .nav-link::after {
    display: none;
  }

  #mobile-menu-btn {
    display: flex;
  }

  .breadcrumb {
    padding: 12px 16px 0;
    font-size: 0.8rem;
  }

  #main-content {
    padding: 0 16px;
  }

  .hero-section {
    padding: 28px 0 48px;
  }

  .hero-content h1 {
    font-size: 1.6rem;
  }

  .hero-subtitle {
    font-size: 0.95rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    padding: 14px 24px;
  }

  .banner-carousel {
    padding: 32px 20px;
    border-radius: var(--radius-lg);
  }

  .carousel-track {
    min-height: 240px;
  }

  .carousel-slide svg {
    width: 56px;
    height: 56px;
  }

  .carousel-slide h2 {
    font-size: 1.15rem;
  }

  .carousel-slide p {
    font-size: 0.85rem;
  }

  .stats-section {
    padding: 0 0 48px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    padding: 28px 20px;
    gap: 24px;
    border-radius: var(--radius-lg);
  }

  .stat-number {
    font-size: 1.6rem;
  }

  .stat-label {
    font-size: 0.78rem;
  }

  .content-section {
    padding: 48px 0;
  }

  .content-section.alt-bg {
    padding: 48px 20px;
    margin: 0 -16px;
    border-radius: var(--radius-lg);
  }

  .content-section h2 {
    font-size: 1.35rem;
    margin-bottom: 24px;
    padding-left: 16px;
  }

  .content-section h3 {
    font-size: 1.05rem;
  }

  .content-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .content-block {
    padding: 24px 20px;
    border-radius: var(--radius-md);
  }

  .product-showcase {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .product-card {
    padding: 24px 20px;
    border-radius: var(--radius-md);
  }

  .advantage-list {
    padding: 28px 20px;
    border-radius: var(--radius-lg);
  }

  .advantage-list ul {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .solutions-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .solution-card {
    padding: 24px 20px;
    border-radius: var(--radius-md);
  }

  .industry-application {
    padding: 28px 20px;
    border-radius: var(--radius-lg);
  }

  .case-studies {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .case-card {
    padding: 24px 20px;
    border-radius: var(--radius-md);
  }

  .testimonials {
    padding: 28px 20px;
    border-radius: var(--radius-lg);
  }

  .testimonials blockquote {
    padding: 20px 22px;
  }

  .article-list {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .article-item {
    padding: 22px 20px;
    border-radius: var(--radius-md);
  }

  .faq-item summary {
    padding: 16px 18px;
    font-size: 0.9rem;
  }

  .faq-item > div {
    padding: 0 18px 18px;
  }

  .howto-content {
    padding: 28px 20px;
    border-radius: var(--radius-lg);
  }

  .howto-content h3 {
    font-size: 1.05rem;
    margin-top: 24px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .contact-info,
  .contact-extra {
    padding: 28px 20px;
    border-radius: var(--radius-md);
  }

  .footer-info {
    padding: 40px 20px 32px;
    margin: 32px -16px 0;
    border-radius: var(--radius-lg);
  }

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

  #back-to-top {
    bottom: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
  }
}

@media (max-width: 480px) {
  .hero-content h1 {
    font-size: 1.4rem;
  }

  .hero-subtitle {
    font-size: 0.9rem;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    padding: 24px 16px;
  }

  .stat-item:not(:last-child)::after {
    display: none;
  }

  .stat-number {
    font-size: 1.4rem;
  }

  .carousel-track {
    min-height: 260px;
  }

  .carousel-slide h2 {
    font-size: 1.05rem;
  }

  .carousel-slide p {
    font-size: 0.8rem;
  }

  .content-section.alt-bg {
    padding: 40px 16px;
  }

  .howto-content {
    padding: 24px 16px;
  }

  .howto-content ol li {
    padding-left: 34px;
    font-size: 0.88rem;
  }

  .howto-content ol li::before {
    width: 22px;
    height: 22px;
    font-size: 0.72rem;
  }

  .howto-content ul li {
    font-size: 0.88rem;
  }
}

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

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media print {
  #site-header,
  #back-to-top,
  .header-actions,
  .search-bar,
  .hero-actions,
  .carousel-dots {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }

  .content-section.alt-bg,
  .footer-info {
    background: #fff;
    color: #000;
    border: 1px solid #ddd;
  }

  a {
    color: #000;
    text-decoration: underline;
  }
}

@supports not (backdrop-filter: blur(20px)) {
  #site-header {
    background: var(--bg-alt);
  }

  .banner-carousel,
  .stats-grid,
  .advantage-list,
  .industry-application,
  .testimonials {
    background: var(--bg-alt);
  }
}