:root {
  color-scheme: dark;
  --ink: #e8f0f8;
  --muted: #8fa3b8;
  --line: rgba(46, 142, 253, 0.12);
  --paper: #081322;
  --white: #ffffff;

  --primary: #2E8EFD;
  --primary-dark: #1a7beb;
  --primary-light: rgba(46, 142, 253, 0.08);

  --teal: #FF7400;
  --teal-dark: #d95f00;
  --teal-light: rgba(255, 116, 0, 0.06);

  --amber: #ff9f1c;

  --success: #10b981;
  --green: #00e0a0;
  --blue: #2E8EFD;

  --accent: rgba(255, 116, 0, 0.06);
  --accent-glow: rgba(255, 116, 0, 0.15);

  --shadow-sm: 0 1px 4px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.5);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.6);
  --shadow: 0 8px 32px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 20px rgba(46, 142, 253, 0.2);

  --card-bg: rgba(10, 24, 42, 0.7);
  --card-border: rgba(46, 142, 253, 0.1);
  --glass: rgba(8, 20, 38, 0.85);
  user-select: none;
}

/* 亮色主题 */
[data-theme="light"] {
  color-scheme: light;
  --ink: #14212b;
  --muted: #4a5e6d;
  --line: rgba(0, 91, 172, 0.12);
  --paper: #f4f8fc;
  --white: #ffffff;

  --primary: #005bac;
  --primary-dark: #003b78;
  --primary-light: #e8f0fa;

  --teal: #0076f6;
  --teal-dark: #0059c2;
  --teal-light: #e8f3ff;

  --amber: #d97706;

  --success: #10b981;
  --green: #059669;
  --blue: #2563eb;

  --accent: rgba(0, 91, 172, 0.06);
  --accent-glow: rgba(0, 91, 172, 0.1);

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.1);
  --shadow: 0 8px 24px rgba(0,0,0,0.08);
  --shadow-glow: 0 0 16px rgba(0, 91, 172, 0.1);

  --card-bg: rgba(255, 255, 255, 0.85);
  --card-border: rgba(0, 91, 172, 0.1);
  --glass: rgba(255, 255, 255, 0.9);
}

[data-theme="light"] body {
  background: var(--paper);
  background-image: 
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(0, 91, 172, 0.04) 0%, transparent 60%),
    linear-gradient(180deg, #f4f8fc 0%, #eaf2fa 50%, #f4f8fc 100%);
}

[data-theme="light"] .site-header {
  background: rgba(255, 255, 255, 0.92);
  border-bottom-color: rgba(0, 91, 172, 0.08);
}

[data-theme="light"] .brand-mark {
  color: var(--white);
  background: linear-gradient(135deg, var(--primary), var(--teal));
  box-shadow: 0 2px 8px rgba(0, 91, 172, 0.2);
}

[data-theme="light"] .brand strong {
  color: var(--ink);
}

[data-theme="light"] .brand small {
  color: var(--muted);
}

[data-theme="light"] .nav {
  color: var(--muted);
}

[data-theme="light"] .nav a:hover {
  color: var(--primary);
}

[data-theme="light"] .nav a::after {
  background: linear-gradient(90deg, var(--primary), var(--teal));
  box-shadow: 0 0 4px rgba(0, 91, 172, 0.3);
}

[data-theme="light"] .primary-btn {
  color: var(--white);
  background: linear-gradient(135deg, var(--primary), var(--teal));
  box-shadow: 0 4px 12px rgba(0, 91, 172, 0.2);
}

[data-theme="light"] .primary-btn:hover {
  box-shadow: 0 6px 20px rgba(0, 91, 172, 0.3);
}

[data-theme="light"] .secondary-btn {
  color: var(--primary);
  border-color: rgba(0, 91, 172, 0.15);
  background: var(--white);
  backdrop-filter: none;
}

[data-theme="light"] .secondary-btn:hover {
  border-color: var(--primary);
  color: var(--primary-dark);
  background: var(--primary-light);
  box-shadow: 0 4px 12px rgba(0, 91, 172, 0.1);
}

[data-theme="light"] .hero-metrics div {
  border-color: rgba(0, 91, 172, 0.08);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: none;
}

[data-theme="light"] .hero-metrics div:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 16px rgba(0, 91, 172, 0.12);
}

[data-theme="light"] .hero-visual img {
  filter: drop-shadow(0 20px 40px rgba(0,0,0,0.12));
}

[data-theme="light"] .hero-visual img:hover {
  filter: drop-shadow(0 28px 50px rgba(0, 91, 172, 0.15));
}

[data-theme="light"] .hero::before,
[data-theme="light"] .hero::after {
  opacity: 0.5;
}

[data-theme="light"] .intro-band {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}

[data-theme="light"] .intro-band::before {
  background:
    repeating-linear-gradient(90deg, transparent, transparent 60px, rgba(255,255,255,0.03) 60px, rgba(255,255,255,0.03) 61px),
    repeating-linear-gradient(0deg, transparent, transparent 60px, rgba(255,255,255,0.03) 60px, rgba(255,255,255,0.03) 61px);
}

[data-theme="light"] .capability-grid article,
[data-theme="light"] .scene-grid article,
[data-theme="light"] .product-item,
[data-theme="light"] .timeline div {
  border-color: rgba(0, 91, 172, 0.08);
  background: var(--white);
  backdrop-filter: none;
  box-shadow: var(--shadow-sm);
}

[data-theme="light"] .capability-grid article:hover,
[data-theme="light"] .scene-grid article:hover,
[data-theme="light"] .timeline div:hover {
  border-color: var(--primary);
  box-shadow: 0 8px 24px rgba(0, 91, 172, 0.1);
}

[data-theme="light"] .capability-grid span {
  color: var(--primary);
}

[data-theme="light"] .capability-grid article:hover span {
  color: var(--amber);
  text-shadow: none;
}

[data-theme="light"] .split-section {
  background: #eef4fb;
  border-color: rgba(0, 91, 172, 0.06);
}

[data-theme="light"] .product-line {
  border-color: rgba(0, 91, 172, 0.08);
  background: var(--white);
  backdrop-filter: none;
  box-shadow: var(--shadow-sm);
}

[data-theme="light"] .featured-line {
  background: linear-gradient(105deg, rgba(255,255,255,0.97), rgba(244,248,252,0.97)),
    url("./assets/inclux-kiosk.jpg") right center / auto 120% no-repeat;
  border-color: rgba(0, 91, 172, 0.1);
}

[data-theme="light"] .line-heading span {
  color: var(--white);
  background: linear-gradient(135deg, var(--primary), var(--teal));
  box-shadow: 0 2px 8px rgba(0, 91, 172, 0.2);
}

[data-theme="light"] .product-item.active,
[data-theme="light"] .product-item:hover,
[data-theme="light"] .product-list:hover .product-item.active:hover {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-color: var(--primary);
  box-shadow: 0 8px 24px rgba(0, 91, 172, 0.2);
}

[data-theme="light"] .product-list:hover .product-item.active {
  background: var(--white);
  border-color: rgba(0, 91, 172, 0.08);
  box-shadow: var(--shadow-sm);
}

[data-theme="light"] .mini-product-grid div {
  border-color: rgba(0, 91, 172, 0.06);
  background: #f8fbfe;
}

[data-theme="light"] .platform-line {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-color: var(--primary);
  box-shadow: 0 8px 24px rgba(0, 91, 172, 0.15);
}

[data-theme="light"] .platform-points span {
  border-color: rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.12);
}

[data-theme="light"] .platform-points span:hover {
  border-color: rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.2);
  box-shadow: none;
}

[data-theme="light"] .solution-card {
  border-color: rgba(0, 91, 172, 0.08);
  background: var(--white);
  backdrop-filter: none;
  box-shadow: var(--shadow-sm);
}

[data-theme="light"] .solution-card:hover {
  border-color: var(--primary);
  box-shadow: 0 8px 24px rgba(0, 91, 172, 0.1);
}

[data-theme="light"] .solution-card.primary-solution {
  background: linear-gradient(145deg, var(--primary), var(--primary-dark)),
    url("./assets/inclux-kiosk.jpg") right bottom / auto 82% no-repeat;
  border-color: var(--primary);
  box-shadow: 0 8px 24px rgba(0, 91, 172, 0.2);
}

[data-theme="light"] .solution-card span {
  color: var(--white);
  background: linear-gradient(135deg, var(--primary), var(--teal));
  box-shadow: 0 2px 8px rgba(0, 91, 172, 0.2);
}

[data-theme="light"] .solution-card li::before {
  background: var(--primary);
  box-shadow: none;
}

[data-theme="light"] .solution-card.primary-solution li::before {
  background: var(--amber);
  box-shadow: none;
}

[data-theme="light"] .scene-grid article:nth-child(2):hover,
[data-theme="light"] .scene-grid article:nth-child(3):hover,
[data-theme="light"] .scene-grid article:nth-child(4):hover {
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}

[data-theme="light"] .timeline span {
  color: var(--white);
  background: linear-gradient(135deg, var(--primary), var(--teal));
  box-shadow: 0 2px 8px rgba(0, 91, 172, 0.2);
}

[data-theme="light"] .timeline div:hover span {
  box-shadow: 0 4px 12px rgba(0, 91, 172, 0.3);
}

[data-theme="light"] .policy-band {
  background: linear-gradient(135deg, #0a1e38, #14304f);
  border-color: rgba(0, 91, 172, 0.1);
}

[data-theme="light"] .contact-section {
  background: linear-gradient(135deg, var(--white) 0%, var(--primary-light) 100%);
  border-color: rgba(0, 91, 172, 0.08);
}

[data-theme="light"] .contact-section::before,
[data-theme="light"] .contact-section::after {
  opacity: 0.4;
}

[data-theme="light"] main h1 {
  background: none;
  -webkit-background-clip: initial;
  background-clip: initial;
  -webkit-text-fill-color: initial;
  color: var(--ink);
}

[data-theme="light"] .hero-metrics dt {
  background: linear-gradient(135deg, var(--primary), var(--teal));
  -webkit-background-clip: text;
  background-clip: text;
}


/* 主题切换按钮 */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--card-border);
  border-radius: 50%;
  background: var(--card-bg);
  color: var(--teal);
  cursor: pointer;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.theme-toggle:focus {
  outline: none;
}

.theme-toggle:hover {
  border-color: var(--teal);
  box-shadow: 0 0 12px rgba(0, 224, 255, 0.2);
  transform: rotate(15deg);
}

[data-theme="light"] .theme-toggle {
  color: var(--amber);
  border-color: rgba(0, 91, 172, 0.12);
  background: var(--white);
}

[data-theme="light"] .theme-toggle:hover {
  border-color: var(--amber);
  box-shadow: 0 2px 12px rgba(217, 119, 6, 0.15);
}

/* 暗黑主题下显示太阳图标（表示可切换到亮色），隐藏月亮 */
.icon-sun { display: block; }
.icon-moon { display: none; }

/* 亮色主题下显示月亮图标（表示可切换到暗黑），隐藏太阳 */
[data-theme="light"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: block; }

/* 粒子背景 Canvas */
#particleBg {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* 滚动条样式 - 暗黑主题 */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #0a1628;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, rgba(0, 224, 255, 0.3), rgba(0, 180, 255, 0.2));
  border-radius: 4px;
  border: 1px solid rgba(0, 224, 255, 0.1);
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, rgba(0, 224, 255, 0.5), rgba(0, 180, 255, 0.35));
}

/* 滚动条样式 - 亮色主题 */
[data-theme="light"] ::-webkit-scrollbar-track {
  background: #eef3f8;
}

[data-theme="light"] ::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, rgba(0, 91, 172, 0.25), rgba(8, 145, 178, 0.2));
  border-radius: 4px;
  border: 1px solid rgba(0, 91, 172, 0.08);
}

[data-theme="light"] ::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, rgba(0, 91, 172, 0.4), rgba(8, 145, 178, 0.35));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  transition: background-color 0.4s ease, color 0.4s ease;
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 224, 255, 0.3) #0a1628;
}

[data-theme="light"] {
  scrollbar-color: rgba(0, 91, 172, 0.25) #eef3f8;
}

body {
  margin: 0;
  font-family: "Inter", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(46, 142, 253, 0.15) 0%, transparent 60%),
    linear-gradient(180deg, #081322 0%, #0f2139 50%, #081322 100%);
  background-attachment: fixed;
  overflow-x: hidden;
}

.site-header a,
main a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 32px;
  min-height: 72px;
  padding: 14px max(20px, calc((100% - clamp(1200px, 82vw, 1440px)) / 2 + 20px));
  background: var(--glass);
  border-bottom: 1px solid var(--card-border);
  backdrop-filter: blur(20px) saturate(1.4);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 190px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  font-weight: 800;
  letter-spacing: 0;
  color: #060d18;
  background: linear-gradient(135deg, var(--teal), var(--primary));
  box-shadow: 0 0 12px rgba(0, 224, 255, 0.3);
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.15;
  color: var(--white);
}

.brand small {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(20px, 3vw, 36px);
  margin-left: auto;
  color: rgba(255, 255, 255, 0.82);
  font-size: 15px;
}

.nav a {
  padding: 8px 0;
  position: relative;
  transition: color 0.3s ease;
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--teal), var(--primary));
  box-shadow: 0 0 6px rgba(0, 224, 255, 0.4);
  transition: width 0.3s ease;
}

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

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

.header-action,
.primary-btn,
.secondary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 8px;
  font-weight: 700;
  white-space: nowrap;
}

.header-action {
  min-width: 104px;
  padding: 0 18px;
  color: var(--white);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.4);
  transition: all 0.3s ease;
}

.header-action:hover {
  background: var(--white);
  color: var(--teal);
  border-color: var(--white);
  transform: translateY(-2px);
}

.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 48px;
  max-width: clamp(1200px, 82vw, 1440px);
  margin-inline: auto;
  min-height: calc(100vh - 72px);
  padding: 40px clamp(20px, 4vw, 48px);
  background: transparent;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: 5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 224, 255, 0.12) 0%, transparent 60%);
  pointer-events: none;
  animation: pulse-glow 4s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: 10%;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(0, 180, 255, 0.08) 0%, transparent 60%);
  pointer-events: none;
  animation: pulse-glow 5s ease-in-out infinite 1s;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.1); }
}

.hero-copy {
  max-width: 720px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 20px;
  padding: 6px 14px;
  color: var(--primary);
  font-size: clamp(14px, 1.2vw, 16px);
  font-weight: 700;
  letter-spacing: 0.05em;
  background: rgba(46, 142, 253, 0.06);
  border: 1px solid rgba(46, 142, 253, 0.15);
  border-radius: 30px;
  box-shadow: 0 0 15px rgba(46, 142, 253, 0.05);
  width: fit-content;
}

/* 带有发光圆点指示器 */
.eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  background-color: var(--primary);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--primary);
  display: inline-block;
  animation: pulse-glow 2s infinite alternate;
}

[data-theme="light"] .eyebrow {
  color: var(--primary);
  background: rgba(0, 91, 172, 0.04);
  border-color: rgba(0, 91, 172, 0.12);
  box-shadow: none;
}

[data-theme="light"] .eyebrow::before {
  background-color: var(--primary);
  box-shadow: 0 0 6px var(--primary);
}

main h1,
main h2,
main h3,
main h4,
main h5,
main h6,
main p,
main a,
main li,
main dt,
main dd,
main span,
main strong {
  color: inherit;
  font-family: inherit;
}

main p {
  font-size: inherit;
  line-height: inherit;
}

main h1,
main h2,
main h3,
main p {
  margin-top: 0;
}

main h1 {
  margin-bottom: 20px;
  font-size: clamp(40px, 6vw, 64px);
  line-height: 1;
  letter-spacing: 0;
  color: var(--white);
  background: none;
  -webkit-text-fill-color: initial;
  background-clip: initial;
}

main h1 span.orange {
  color: #FF7400;
  -webkit-text-fill-color: #FF7400;
}

main h1 span.blue {
  color: #2E8EFD;
  -webkit-text-fill-color: #2E8EFD;
}

.hero-lead {
  max-width: 660px;
  margin-bottom: 24px;
  color: var(--muted);
  font-size: clamp(16px, 1.8vw, 20px);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.primary-btn {
  min-width: 150px;
  padding: 0 24px;
  color: var(--white);
  font-weight: 800;
  background: #FF7400;
  border: none;
  box-shadow: 0 4px 14px rgba(255, 116, 0, 0.4), var(--shadow-md);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.primary-btn:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 6px 20px rgba(255, 116, 0, 0.6), var(--shadow-lg);
  background: #ff8a1a;
  color: var(--white);
}

.primary-btn:active {
  transform: translateY(0);
}

.secondary-btn {
  min-width: 136px;
  padding: 0 22px;
  color: var(--white);
  background: #2E8EFD;
  border: none;
  box-shadow: 0 4px 14px rgba(46, 142, 253, 0.4), var(--shadow-md);
  transition: all 0.3s ease;
}

.secondary-btn:hover {
  background: #4da3ff;
  color: var(--white);
  box-shadow: 0 6px 20px rgba(46, 142, 253, 0.6);
  transform: translateY(-2px);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 720px;
  margin: 0;
}

.hero-metrics div {
  padding: 16px 14px 14px;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-metrics div:hover {
  transform: translateY(-4px);
}

.hero-metrics div:nth-child(1):hover {
  border-color:  #2E8EFD;
  box-shadow: 0 0 20px rgba(255, 116, 0, 0.25);
}

.hero-metrics div:nth-child(2):hover {
  border-color: #2E8EFD;
  box-shadow: 0 0 20px rgba(46, 142, 253, 0.25);
}

.hero-metrics div:nth-child(3):hover {
  border-color:  #2E8EFD;
  box-shadow: 0 0 20px rgba(255, 116, 0, 0.25);
}

.hero-metrics dt {
  margin-bottom: 10px;
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 850;
  line-height: 1;
  white-space: nowrap;
  text-shadow: none;
}

.hero-metrics div:nth-child(1) dt {
 background: linear-gradient(135deg, #6eb0ff, #2E8EFD);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-metrics div:nth-child(2) dt {
  background: linear-gradient(135deg, #6eb0ff, #2E8EFD);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-metrics div:nth-child(3) dt {
  background: linear-gradient(135deg, #6eb0ff, #2E8EFD);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-metrics dd {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.hero-visual {
  align-self: center;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  min-height: 480px;
}

/* 设备图后方的科技圆晕背景 */
.hero-visual::before {
  content: '';
  position: absolute;
  width: min(100%, 460px);
  height: min(100%, 460px);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 224, 255, 0.12) 0%, transparent 68%);
  z-index: 0;
  pointer-events: none;
  animation: pulse-glow 5s ease-in-out infinite;
}

[data-theme="light"] .hero-visual::before {
  background: radial-gradient(circle, rgba(0, 91, 172, 0.08) 0%, transparent 68%);
}

.hero-visual img {
  width: min(100%, 350px); /* 适度收窄机器宽度，让它比例更修长、典雅 */
  max-height: calc(100vh - 160px);
  object-fit: contain;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 20px 40px rgba(0, 224, 255, 0.12)) drop-shadow(0 8px 16px rgba(0,0,0,0.3));
  transition: transform 0.4s ease, filter 0.4s ease;
}

[data-theme="light"] .hero-visual img {
  filter: drop-shadow(0 20px 40px rgba(0, 91, 172, 0.1)) drop-shadow(0 8px 16px rgba(0,0,0,0.15));
}

.hero-visual img:hover {
  transform: scale(1.02) translateY(-4px);
  filter: drop-shadow(0 30px 48px rgba(0, 224, 255, 0.2)) drop-shadow(0 12px 24px rgba(0,0,0,0.35));
}

[data-theme="light"] .hero-visual img:hover {
  filter: drop-shadow(0 30px 48px rgba(0, 91, 172, 0.18)) drop-shadow(0 12px 24px rgba(0,0,0,0.18));
}

.intro-band,
.policy-band,
.contact-section {
  display: block;
  text-align: center;
  padding: clamp(40px, 6vw, 72px) clamp(20px, 4vw, 48px);
}

.intro-band {
  color: var(--white);
  background: linear-gradient(135deg, rgba(0, 30, 60, 0.95), rgba(0, 60, 120, 0.9));
  border-top: 1px solid var(--card-border);
  border-bottom: 1px solid var(--card-border);
  position: relative;
}

.intro-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    repeating-linear-gradient(90deg, transparent, transparent 60px, rgba(0, 224, 255, 0.02) 60px, rgba(0, 224, 255, 0.02) 61px),
    repeating-linear-gradient(0deg, transparent, transparent 60px, rgba(0, 224, 255, 0.02) 60px, rgba(0, 224, 255, 0.02) 61px);
  pointer-events: none;
}

.intro-band p,
.policy-band p,
.contact-section p {
  max-width: 900px;
  margin-inline: auto;
}

.intro-band p,
.policy-band p,
.contact-section p,
.section-heading p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.intro-band h2 {
  color: var(--white);
}

.intro-band .eyebrow {
  color: var(--primary);
}

.intro-band p {
  color: rgba(255, 255, 255, 0.75);
}

.section {
  max-width: clamp(1200px, 82vw, 1440px);
  margin-inline: auto;
  padding: clamp(48px, 6vw, 80px) clamp(20px, 4vw, 48px);
}

.section-heading {
  max-width: 880px;
  margin-bottom: 28px;
}

main h2 {
  margin-bottom: 12px;
  font-size: clamp(28px, 3.5vw, 42px);
  line-height: 1.15;
  letter-spacing: 0;
}

main h3 {
  margin-bottom: 10px;
  font-size: 21px;
  line-height: 1.32;
}

.capability-grid,
.scene-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.capability-grid article,
.scene-grid article,
.product-item,
.timeline div {
  border: 1px solid var(--card-border);
  border-radius: 8px;
  background: var(--card-bg);
  backdrop-filter: blur(8px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.capability-grid article {
  min-height: 200px;
  padding: 22px;
}

.capability-grid article:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: 0 0 24px rgba(46, 142, 253, 0.15), 0 4px 20px rgba(0,0,0,0.3);
}

.capability-grid span {
  display: inline-block;
  margin-bottom: 24px;
  color: var(--teal);
  font-size: 14px;
  font-weight: 850;
  font-family: 'Courier New', monospace;
  transition: color 0.3s ease, text-shadow 0.3s ease;
}

.capability-grid article:hover span {
  color: var(--amber);
  text-shadow: 0 0 8px rgba(255, 159, 28, 0.4);
}

.capability-grid p,
.scene-grid p,
.product-item p,
.timeline p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.75;
}

.split-section {
  background: rgba(6, 13, 24, 0.6);
  border-top: 1px solid var(--card-border);
  border-bottom: 1px solid var(--card-border);
}

.product-lines {
  display: grid;
  gap: 18px;
}

.product-line {
  padding: 24px;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  background: var(--card-bg);
  backdrop-filter: blur(8px);
}

.featured-line {
  background: linear-gradient(105deg, rgba(10, 24, 42, 0.9), rgba(6, 13, 24, 0.95)),
    url("./assets/inclux-kiosk.jpg") right center / auto 120% no-repeat;
  border-color: rgba(0, 224, 255, 0.15);
}

.line-heading {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  column-gap: 18px;
  max-width: 1000px;
  margin-bottom: 22px;
}

.line-heading span {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  color: #060d18;
  background: linear-gradient(135deg, var(--teal), var(--primary));
  font-weight: 850;
  box-shadow: 0 0 12px rgba(0, 224, 255, 0.25);
}

.line-heading h3 {
  margin-bottom: 8px;
  font-size: clamp(26px, 3vw, 34px);
}

.line-heading p {
  grid-column: 2;
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.75;
}

.product-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.compact-list {
  max-width: 1100px;
}

.product-item {
  min-height: 150px;
  padding: 20px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}

.product-item strong {
  display: block;
  margin-bottom: 10px;
  font-size: 20px;
}

.product-item.active {
  color: var(--white);
  border-color: var(--teal);
  background: linear-gradient(135deg, rgba(0, 60, 120, 0.9), rgba(0, 100, 180, 0.7));
  box-shadow: 0 0 20px rgba(0, 224, 255, 0.2), var(--shadow-lg);
}

.product-list:hover .product-item.active {
  color: var(--ink);
  border-color: var(--card-border);
  background: var(--card-bg);
  box-shadow: none;
}

.product-list:hover .product-item.active p {
  color: var(--muted);
}

.product-item:hover,
.product-list:hover .product-item.active:hover {
  color: var(--white);
  border-color: var(--teal);
  background: linear-gradient(135deg, rgba(0, 60, 120, 0.9), rgba(0, 100, 180, 0.7));
  box-shadow: 0 0 24px rgba(0, 224, 255, 0.2), var(--shadow-lg);
  transform: translateY(-4px);
}

.product-item.active p,
.product-item:hover p,
.product-list:hover .product-item.active:hover p {
  color: rgba(255, 255, 255, 0.9);
}

.mini-product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.mini-product-grid.three-col {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.mini-product-grid div {
  min-height: 150px;
  padding: 18px;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  background: rgba(6, 13, 24, 0.6);
}

.mini-product-grid strong {
  display: block;
  margin-bottom: 10px;
  font-size: 19px;
}

.mini-product-grid p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.72;
}

.platform-line {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.8fr);
  gap: 24px;
  align-items: center;
  color: var(--white);
  border-color: var(--teal);
  background: linear-gradient(135deg, rgba(0, 40, 80, 0.9), rgba(0, 80, 160, 0.6));
  box-shadow: 0 0 30px rgba(0, 224, 255, 0.1);
}

.platform-line .line-heading {
  margin-bottom: 0;
}

.platform-line .line-heading span {
  color: #060d18;
  background: linear-gradient(135deg, var(--teal), var(--white));
}

.platform-line .line-heading p {
  color: rgba(255, 255, 255, 0.8);
}

.platform-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.platform-points span {
  display: grid;
  place-items: center;
  min-height: 58px;
  padding: 0 16px;
  border: 1px solid rgba(0, 224, 255, 0.2);
  border-radius: 8px;
  background: rgba(0, 224, 255, 0.05);
  font-weight: 700;
  transition: all 0.3s ease;
}

.platform-points span:hover {
  border-color: var(--teal);
  background: rgba(0, 224, 255, 0.1);
  box-shadow: 0 0 12px rgba(0, 224, 255, 0.2);
}

.solutions-section {
  background: transparent;
}

.solution-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 16px;
}

.solution-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 300px;
  padding: 26px;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  background: var(--card-bg);
  backdrop-filter: blur(8px);
  transition: all 0.3s ease;
}

.solution-card:hover {
  border-color: rgba(0, 224, 255, 0.2);
  box-shadow: 0 0 20px rgba(0, 224, 255, 0.1);
}

.solution-card.primary-solution {
  grid-row: span 2;
  min-height: 100%;
  color: var(--white);border-color: rgba(0, 224, 255, 0.2);
  /* border-color: var(--teal); */
  background: linear-gradient(145deg, rgba(0, 50, 100, 0.95), rgba(6, 13, 24, 0.95)),
    url("./assets/inclux-kiosk.jpg") right bottom / auto 82% no-repeat;
  box-shadow: 0 0 30px rgba(0, 224, 255, 0.12);
}

.solution-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-bottom: 22px;
  border-radius: 50%;
  color: #060d18;
  background: linear-gradient(135deg, var(--teal), var(--primary));
  font-weight: 850;
  box-shadow: 0 0 10px rgba(0, 224, 255, 0.2);
}

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

.solution-card.primary-solution span {
  color: #060d18;
  background: linear-gradient(135deg, var(--teal), var(--white));
}

.solution-card h3 {
  max-width: 520px;
  font-size: clamp(26px, 3vw, 40px);
}

.solution-card:not(.primary-solution) h3 {
  font-size: 26px;
}

.solution-card p {
  max-width: 680px;
  margin-bottom: 28px;
  color: var(--muted);
  line-height: 1.78;
}

.solution-card li {
  color: var(--muted);
}

.solution-card.primary-solution p {
  color: rgba(255, 255, 255, 0.82);
}

.solution-card ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.solution-card li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.65;
}

.solution-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 6px rgba(0, 224, 255, 0.4);
}

.solution-card.primary-solution li {
  color: rgba(255, 255, 255, 0.84);
}

.solution-card.primary-solution li::before {
  background: var(--amber);
  box-shadow: 0 0 6px rgba(255, 159, 28, 0.4);
}

.scene-section {
  background: transparent;
}

.scene-grid article {
  min-height: 160px;
  padding: 22px;
  border-top: 3px solid var(--teal);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
}

.scene-grid article:hover {
  transform: translateY(-4px);
  box-shadow: 0 -4px 16px rgba(46, 142, 253, 0.15), 0 4px 20px rgba(0,0,0,0.3);
}

.scene-grid article:nth-child(1) {
  border-top-color: var(--teal);
}

.scene-grid article:nth-child(2) {
  border-top-color: var(--green);
}

.scene-grid article:nth-child(2):hover {
  box-shadow: 0 -4px 16px rgba(0, 224, 160, 0.15), 0 4px 20px rgba(0,0,0,0.3);
}

.scene-grid article:nth-child(3) {
  border-top-color: var(--amber);
}

.scene-grid article:nth-child(3):hover {
  box-shadow: 0 -4px 16px rgba(255, 159, 28, 0.15), 0 4px 20px rgba(0,0,0,0.3);
}

.scene-grid article:nth-child(4) {
  border-top-color: var(--blue);
}

.scene-grid article:nth-child(4):hover {
  box-shadow: 0 -4px 16px rgba(77, 141, 255, 0.15), 0 4px 20px rgba(0,0,0,0.3);
}

.scene-grid article:nth-child(5) {
  border-top-color: var(--primary);
}

.scene-grid article:nth-child(5):hover {
  box-shadow: 0 -4px 16px rgba(0, 180, 255, 0.15), 0 4px 20px rgba(0,0,0,0.3);
}

.scene-grid article:nth-child(6) {
  border-top-color: var(--success);
}

.scene-grid article:nth-child(6):hover {
  box-shadow: 0 -4px 16px rgba(16, 185, 129, 0.15), 0 4px 20px rgba(0,0,0,0.3);
}

.deploy-section {
  background: transparent;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.timeline div {
  min-height: 180px;
  padding: 20px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.timeline div:hover {
  transform: translateY(-4px);
  border-color: var(--teal);
  box-shadow: 0 0 20px rgba(0, 224, 255, 0.15), 0 4px 16px rgba(0,0,0,0.3);
}

.timeline span {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  margin-bottom: 22px;
  border-radius: 50%;
  color: #060d18;
  background: linear-gradient(135deg, var(--teal), var(--primary));
  font-weight: 800;
  box-shadow: 0 0 10px rgba(0, 224, 255, 0.2);
  transition: all 0.3s ease;
}

.timeline div:hover span {
  background: linear-gradient(135deg, var(--teal), #00d4ff);
  transform: scale(1.15);
  box-shadow: 0 0 18px rgba(0, 224, 255, 0.4);
}

.policy-band {
  color: var(--white);
  background: linear-gradient(135deg, #040a14, #0a1e38);
  border-top: 1px solid var(--card-border);
  border-bottom: 1px solid var(--card-border);
}

.policy-band h2 {
  color: var(--white);
}

.policy-band .eyebrow {
  color: var(--primary);
}

.policy-band p {
  color: rgba(255, 255, 255, 0.7);
}

.contact-section {
  align-items: center;
  background: linear-gradient(135deg, rgba(6, 13, 24, 0.9), rgba(0, 40, 80, 0.4));
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--card-border);
}

.contact-section::before {
  content: '';
  position: absolute;
  right: -100px;
  top: 50%;
  transform: translateY(-50%);
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(0, 224, 255, 0.1) 0%, transparent 60%);
  pointer-events: none;
  animation: pulse-glow 5s ease-in-out infinite;
}

.contact-section::after {
  content: '';
  position: absolute;
  left: -60px;
  bottom: -60px;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(0, 180, 255, 0.06) 0%, transparent 60%);
  pointer-events: none;
  animation: pulse-glow 6s ease-in-out infinite 2s;
}

.contact-section .contact-content {
  position: relative;
  z-index: 1;
}

.contact-section h2 {
  font-weight: 800;
  letter-spacing: -0.02em;
}

.contact-section .primary-btn {
  display: none;
}

/* Footer 暗黑主题适配 */
.contact-section .footer.footer1 {
  color: rgba(255, 255, 255, 0.75);
}

.contact-section .footer.footer1 .footertop .container {
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

.contact-section .footer.footer1 .footer-widget .footer-title {
  color: var(--white);
}

.contact-section .footer.footer1 .footer-widget .footer-menu li a,
.contact-section .footer.footer1 .footer-widget .linklist li a {
  color: rgba(255, 255, 255, 0.6);
}

.contact-section .footer.footer1 .footer-widget .footer-menu li a:hover,
.contact-section .footer.footer1 .footer-widget .linklist li a:hover {
  color: var(--teal);
}

.contact-section .footer.footer1 .footer-widget .address,
.contact-section .footer.footer1 .footer-widget .erwm {
  color: rgba(255, 255, 255, 0.6);
}

.contact-section .footer.footer1 .footerbottom .copy-right,
.contact-section .footer.footer1 .footerbottom .copy-right a,
.contact-section .footer.footer1 .footerbottom .social-media-list li a {
  color: rgba(255, 255, 255, 0.45);
}

.contact-section .footer.footer1 .footerbottom .copy-right a:hover,
.contact-section .footer.footer1 .footerbottom .social-media-list li a:hover {
  color: var(--teal);
}

/* 亮色主题下 footer 恢复原始深色文字 */
[data-theme="light"] .contact-section .footer.footer1 {
  color: #444;
}

[data-theme="light"] .contact-section .footer.footer1 .footer-widget .footer-title {
  color: #021225;
}

[data-theme="light"] .contact-section .footer.footer1 .footer-widget .footer-menu li a,
[data-theme="light"] .contact-section .footer.footer1 .footer-widget .linklist li a {
  color: #444;
}

[data-theme="light"] .contact-section .footer.footer1 .footer-widget .footer-menu li a:hover,
[data-theme="light"] .contact-section .footer.footer1 .footer-widget .linklist li a:hover {
  color: var(--primary);
}

[data-theme="light"] .contact-section .footer.footer1 .footer-widget .address {
  color: #444;
}

[data-theme="light"] .contact-section .footer.footer1 .footerbottom .copy-right,
[data-theme="light"] .contact-section .footer.footer1 .footerbottom .copy-right a,
[data-theme="light"] .contact-section .footer.footer1 .footerbottom .social-media-list li a {
  color: #2e3c40;
}

[data-theme="light"] .contact-section .footer.footer1 .footertop .container {
  border-bottom-color: #ececec;
}

@media (max-width: 980px) {
  .site-header {
    flex-wrap: wrap;
  }

  .nav {
    order: 3;
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    background: transparent;
  }

  .hero-visual {
    min-height: 420px;
    align-items: center;
  }

  .hero-visual img {
    max-height: 560px;
  }

  .intro-band,
  .policy-band,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .capability-grid,
  .scene-grid,
  .solution-grid,
  .mini-product-grid,
  .mini-product-grid.three-col,
  .timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .platform-line {
    grid-template-columns: 1fr;
  }

  .solution-card.primary-solution {
    grid-row: auto;
  }

  .contact-section .primary-btn {
    display: none;
  }

  .contact-section::before,
  .contact-section::after {
    display: none;
  }
}

@media (max-width: 640px) {
  .site-header {
    min-height: auto;
    padding: 12px 16px;
  }

  .brand {
    min-width: 0;
  }

  .header-action {
    min-width: 92px;
    min-height: 40px;
    padding: 0 14px;
  }

  .nav {
    gap: 18px;
    font-size: 14px;
  }

  .hero {
    padding: 34px 16px 28px;
  }

  h1 {
    font-size: 54px;
  }

  .hero-lead {
    font-size: 17px;
  }

  .hero-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  .hero-metrics div {
    min-height: 96px;
    padding: 14px 10px 12px;
  }

  .hero-metrics dt {
    font-size: 24px;
  }

  .hero-metrics dd {
    font-size: 12px;
    line-height: 1.35;
  }

  .capability-grid,
  .scene-grid,
  .solution-grid,
  .product-list,
  .mini-product-grid,
  .mini-product-grid.three-col,
  .platform-points,
  .timeline {
    grid-template-columns: 1fr;
  }

  .product-line {
    padding: 20px;
  }

  .featured-line {
    background: var(--card-bg);
  }

  .line-heading {
    grid-template-columns: 1fr;
  }

  .line-heading p {
    grid-column: auto;
  }

  .line-heading span {
    margin-bottom: 16px;
  }

  .solution-card,
  .solution-card.primary-solution {
    min-height: auto;
  }

  .hero-visual {
    min-height: 360px;
  }

  .hero-visual img {
    max-height: 440px;
  }

  .section,
  .intro-band,
  .policy-band,
  .contact-section {
    padding-inline: 16px;
  }
}

main {
  position: relative;
  z-index: 1;
  color: var(--ink);
}

/* 扫描线动画 */
@keyframes scan-line {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100vh); }
}

.hero::before {
  animation: pulse-glow 4s ease-in-out infinite;
}

/* 卡片边框发光呼吸动画 */
@keyframes border-glow {
  0%, 100% { border-color: var(--card-border); }
  50% { border-color: rgba(0, 224, 255, 0.25); }
}

.product-line:nth-child(odd) {
  animation: border-glow 6s ease-in-out infinite;
}

.product-line:nth-child(even) {
  animation: border-glow 6s ease-in-out infinite 3s;
}

/* Hero 首屏 CSS 入场动画 */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(50px) scale(0.96); }
  to { opacity: 1; transform: translateX(0) scale(1); }
}

.hero .eyebrow {
  animation: fadeInUp 0.6s ease both;
  animation-delay: 0.1s;
  margin-bottom: clamp(24px, 3vw, 32px);
}

.hero h1 {
  animation: fadeInUp 0.7s ease both;
  animation-delay: 0.25s;
  margin-bottom: clamp(24px, 3.5vw, 36px);
}

.hero-lead {
  animation: fadeInUp 0.6s ease both;
  animation-delay: 0.4s;
  margin-bottom: clamp(28px, 4vw, 42px);
}

.hero-actions {
  animation: fadeInUp 0.6s ease both;
  animation-delay: 0.55s;
  margin-bottom: clamp(36px, 5vw, 56px);
}

.hero-metrics {
  animation: fadeInUp 0.6s ease both;
  animation-delay: 0.7s;
}

.hero-visual img {
  animation: fadeInRight 0.9s ease both;
  animation-delay: 0.4s;
}

/* 返回顶部按钮 */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background-color: var(--primary);
  color: var(--white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(46, 142, 253, 0.4), var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 99;
}

.back-to-top:hover {
  background-color: #4da3ff;
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 6px 24px rgba(46, 142, 253, 0.6), var(--shadow-lg);
}

.back-to-top:active {
  transform: translateY(-2px) scale(0.95);
}

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