:root {
  color-scheme: dark light;
  --bg: #081016;
  --panel: #0e1a22;
  --panel-strong: #132632;
  --line: rgba(136, 214, 255, 0.18);
  --text: #e7f2f6;
  --muted: #91a8b4;
  --accent: #41d8c4;
  --accent-2: #58a6ff;
  --accent-warm: #ffb35c;
  --accent-warm-soft: #ffd39a;
  --warning: #f5b84b;
  --body-bg:
    radial-gradient(circle at 20% 0%, rgba(65, 216, 196, 0.16), transparent 32rem),
    radial-gradient(circle at 80% 8%, rgba(88, 166, 255, 0.14), transparent 30rem),
    linear-gradient(180deg, #081016 0%, #0a1218 52%, #070b0f 100%);
  --header-bg: rgba(8, 16, 22, 0.88);
  --mobile-nav-bg: rgba(8, 16, 22, 0.96);
  --card-bg: linear-gradient(180deg, rgba(19, 38, 50, 0.9), rgba(8, 16, 22, 0.88));
  --subtle-bg: rgba(255, 255, 255, 0.03);
  --media-bg: rgba(255, 255, 255, 0.04);
  --glass-bg: rgba(6, 14, 19, 0.78);
  --glass-bg-soft: rgba(6, 14, 19, 0.68);
  --image-overlay:
    linear-gradient(180deg, rgba(8, 16, 22, 0.12), rgba(8, 16, 22, 0.72)),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.05) 0 1px, transparent 1px 90px);
  --band-bg: linear-gradient(180deg, rgba(19, 38, 50, 0.34), rgba(8, 16, 22, 0));
  --cta-bg: linear-gradient(135deg, rgba(255, 179, 92, 0.14), rgba(65, 216, 196, 0.1));
  --footer-bg: #060a0e;
  --shadow: rgba(0, 0, 0, 0.28);
  --shadow-strong: rgba(0, 0, 0, 0.36);
  --button-text: #031014;
  --max: 1180px;
  --radius: 8px;
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f5f8fb;
  --panel: #ffffff;
  --panel-strong: #e9f2f6;
  --line: rgba(20, 88, 120, 0.18);
  --text: #10202a;
  --muted: #58707d;
  --accent: #067f75;
  --accent-2: #256fb8;
  --accent-warm: #c56f13;
  --accent-warm-soft: #d98122;
  --warning: #a86400;
  --body-bg:
    radial-gradient(circle at 18% 0%, rgba(6, 127, 117, 0.12), transparent 32rem),
    radial-gradient(circle at 82% 8%, rgba(37, 111, 184, 0.12), transparent 30rem),
    linear-gradient(180deg, #f8fbfd 0%, #eef5f8 58%, #ffffff 100%);
  --header-bg: rgba(248, 251, 253, 0.9);
  --mobile-nav-bg: rgba(248, 251, 253, 0.98);
  --card-bg: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(239, 247, 250, 0.92));
  --subtle-bg: rgba(20, 88, 120, 0.06);
  --media-bg: rgba(20, 88, 120, 0.06);
  --glass-bg: rgba(255, 255, 255, 0.82);
  --glass-bg-soft: rgba(255, 255, 255, 0.72);
  --image-overlay:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(16, 32, 42, 0.22)),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.2) 0 1px, transparent 1px 90px);
  --band-bg: linear-gradient(180deg, rgba(20, 88, 120, 0.08), rgba(255, 255, 255, 0));
  --cta-bg: linear-gradient(135deg, rgba(6, 127, 117, 0.12), rgba(37, 111, 184, 0.09));
  --footer-bg: #e8f1f5;
  --shadow: rgba(20, 48, 60, 0.12);
  --shadow-strong: rgba(20, 48, 60, 0.18);
  --button-text: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--body-bg);
  color: var(--text);
  font-family: "Microsoft JhengHei", "Noto Sans TC", Arial, sans-serif;
  line-height: 1.7;
}

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

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  padding: 0 clamp(20px, 4vw, 56px);
  border-bottom: 1px solid var(--line);
  background: var(--header-bg);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: 0;
}

.brand-logo {
  width: 56px;
  height: 42px;
  object-fit: contain;
  border-radius: 4px;
}

.brand-text {
  font-size: 1.05rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 28px);
  color: var(--muted);
  font-size: 0.96rem;
}

.site-nav a {
  transition: color 0.2s ease;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--text);
}

.nav-cta {
  padding: 9px 14px;
  border: 1px solid var(--accent-warm);
  border-radius: 4px;
  color: var(--accent-warm-soft) !important;
}

.header-actions {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--subtle-bg);
  color: var(--text);
  font: inherit;
  font-size: 0.92rem;
  font-weight: 700;
  cursor: pointer;
}

.theme-toggle-icon {
  position: relative;
  width: 18px;
  height: 18px;
  border: 2px solid var(--accent);
  border-radius: 50%;
}

.theme-toggle-icon::after {
  content: "";
  position: absolute;
  top: -2px;
  right: -2px;
  width: 9px;
  height: 18px;
  border-radius: 0 18px 18px 0;
  background: var(--subtle-bg);
}

:root[data-theme="light"] .theme-toggle-icon::after {
  width: 0;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: transparent;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--text);
}

.hero,
.page-hero,
.section {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  min-height: calc(100vh - 76px);
  display: grid;
  align-items: center;
  padding: 76px 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 6vw, 64px);
  align-items: center;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: clamp(32px, 6vw, 80px);
  align-items: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 22px;
  font-size: clamp(2.8rem, 7vw, 6rem);
  line-height: 1.04;
  letter-spacing: 0;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.35rem);
  line-height: 1.25;
  letter-spacing: 0;
}

h3 {
  font-size: 1.08rem;
}

.hero-lede,
.page-hero p,
.section-heading p {
  max-width: 720px;
  color: var(--muted);
  font-size: 1.12rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: 4px;
  font-weight: 700;
}

.button.primary {
  background: linear-gradient(135deg, var(--accent-warm), var(--accent));
  color: var(--button-text);
}

.button.secondary {
  border: 1px solid var(--line);
  color: var(--text);
}

.signal-panel,
.feature-card,
.contact-form,
.flow-step,
.product-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card-bg);
  box-shadow: 0 24px 80px var(--shadow);
}

.signal-panel {
  display: grid;
  gap: 16px;
  padding: clamp(22px, 4vw, 34px);
}

.signal-node {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--subtle-bg);
  color: var(--text);
  font-weight: 700;
}

.signal-node.accent {
  border-color: rgba(65, 216, 196, 0.56);
  color: var(--accent);
}

.signal-line {
  width: 1px;
  height: 40px;
  margin-left: 22px;
  background: linear-gradient(var(--accent), transparent);
}

.section {
  padding: 76px 0;
}

.page-hero {
  padding: 92px 0 44px;
}

.media-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}

.media-hero img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-hero h1 {
  font-size: clamp(2.4rem, 5vw, 4.6rem);
}

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

.split-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
}

.split-heading > p {
  margin-bottom: 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.six-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card {
  padding: 24px;
}

.card-icon {
  width: 52px;
  height: 52px;
  margin-bottom: 18px;
  border-radius: 6px;
  filter: drop-shadow(0 12px 28px rgba(255, 179, 92, 0.2));
}

.feature-card p {
  color: var(--muted);
}

.hero-visual {
  position: relative;
  min-height: 520px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: 0 30px 90px var(--shadow-strong);
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: var(--image-overlay);
  pointer-events: none;
}

.hero-visual-track {
  position: absolute;
  inset: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  min-height: 520px;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.02);
  transition: opacity 900ms ease, transform 5200ms ease;
}

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

.telemetry-card {
  position: absolute;
  z-index: 2;
  min-width: 154px;
  padding: 14px 16px;
  border: 1px solid rgba(65, 216, 196, 0.38);
  border-radius: 4px;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
}

.telemetry-card span {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
}

.metric-row span {
  display: block;
  color: var(--muted);
  font-size: clamp(1rem, 1.25vw, 1.18rem);
  line-height: 1.45;
}

.telemetry-card strong {
  color: var(--accent);
}

.telemetry-card-a {
  top: 28px;
  left: 28px;
}

.telemetry-card-b {
  right: 28px;
  bottom: 28px;
}

.hero-carousel-dots {
  position: absolute;
  z-index: 3;
  left: 28px;
  bottom: 28px;
  display: flex;
  gap: 8px;
  padding: 8px;
  border: 1px solid rgba(65, 216, 196, 0.22);
  border-radius: 4px;
  background: var(--glass-bg-soft);
  backdrop-filter: blur(12px);
}

.hero-carousel-dots button {
  width: 26px;
  height: 4px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.34);
  cursor: pointer;
}

.hero-carousel-dots button.is-active {
  background: var(--accent);
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 34px;
}

.metric-row div {
  display: grid;
  align-content: center;
  gap: 4px;
  min-height: 116px;
  padding: 22px 20px;
  border-left: 2px solid var(--accent-warm);
  background: var(--subtle-bg);
}

.metric-row strong {
  display: block;
  color: var(--text);
  font-size: clamp(1.85rem, 2.35vw, 2.35rem);
  line-height: 1.1;
}

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

.flow-step {
  position: relative;
  min-height: 220px;
  padding: 22px;
}

.flow-step span {
  display: inline-flex;
  margin-bottom: 16px;
  color: var(--accent-warm);
  font-weight: 800;
}

.flow-step h3 {
  margin-bottom: 12px;
}

.flow-step p {
  color: var(--muted);
}

.band {
  width: 100%;
  max-width: none;
  padding-inline: max(20px, calc((100vw - var(--max)) / 2));
  background: var(--band-bg);
  border-block: 1px solid var(--line);
}

.text-link {
  color: var(--accent);
  font-weight: 700;
}

.product-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.product-card {
  overflow: hidden;
}

.product-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: contain;
  padding: 18px;
  background: var(--media-bg);
}

.product-card div {
  padding: 22px;
}

.product-card p,
.proof-copy p,
.why-grid p,
.cta-section p {
  color: var(--muted);
}

.proof-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}

.proof-media {
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}

.proof-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.case-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 24px;
}

.case-list a {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--subtle-bg);
  color: var(--text);
}

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

.why-grid div {
  padding: 20px;
  border-top: 1px solid var(--line);
}

.why-grid strong {
  color: var(--accent);
}

.cta-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 42px;
  border: 1px solid rgba(65, 216, 196, 0.34);
  border-radius: var(--radius);
  background: var(--cta-bg);
}

.narrative-section {
  max-width: 920px;
}

.narrative-section > p {
  color: var(--muted);
  font-size: 1.08rem;
}

.process-section {
  padding-top: 40px;
}

.timeline {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: item;
}

.timeline li {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 18px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.timeline strong {
  color: var(--text);
}

.timeline span {
  color: var(--muted);
}

.solution-stack {
  display: grid;
  gap: 28px;
}

.solution-row {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(24px, 5vw, 56px);
  align-items: center;
}

.solution-row.reverse {
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
}

.solution-row.reverse > img {
  order: 2;
}

.solution-row img,
.product-detail img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04);
}

.embedded-gallery {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 12px;
}

.solution-row.reverse .embedded-gallery {
  order: 2;
}

.embedded-gallery img {
  width: 100%;
  min-height: 0;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.embedded-gallery .embedded-gallery-primary {
  grid-column: 1 / -1;
  aspect-ratio: 16 / 8;
  object-fit: cover;
}

.product-detail-grid {
  display: grid;
  gap: 22px;
}

.product-detail {
  display: grid;
  grid-template-columns: minmax(260px, 0.48fr) minmax(0, 1fr);
  gap: 26px;
  align-items: center;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.03);
}

.product-detail img {
  object-fit: contain;
  padding: 16px;
}

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

.service-list span {
  padding: 10px 13px;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.case-category {
  padding-top: 56px;
}

.case-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card-bg);
  box-shadow: 0 24px 80px var(--shadow);
}

.case-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}


.case-card div {
  padding: 20px;
  background: var(--card-bg);
}

.case-card span {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
}

.case-card p {
  color: var(--muted);
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.42fr) minmax(0, 0.58fr);
  gap: clamp(22px, 4vw, 44px);
  align-items: stretch;
}

.contact-panel {
  padding: clamp(24px, 4vw, 34px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.03);
}

.contact-panel ul {
  display: grid;
  gap: 10px;
  margin: 20px 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
}

.contact-panel a {
  color: var(--accent);
}

.contact-map {
  margin: 0;
}

.contact-map img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 24px 54px var(--shadow);
}

.small-note {
  color: var(--warning);
  font-size: 0.88rem;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 28px clamp(20px, 4vw, 56px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  background: var(--footer-bg);
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  max-width: min(420px, 70vw);
}

.footer-brand img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 74px;
}

.footer-logo-light {
  display: none !important;
}

:root[data-theme="light"] .footer-logo-dark {
  display: none !important;
}

:root[data-theme="light"] .footer-logo-light {
  display: block !important;
}

.site-footer p {
  margin: 0;
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  padding: 24px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--muted);
}

.contact-form .full {
  grid-column: 1 / -1;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--media-bg);
  color: var(--text);
  font: inherit;
  padding: 11px 12px;
}

textarea {
  resize: vertical;
}

@media (max-width: 880px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    inset: 76px 16px auto 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--mobile-nav-bg);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 12px;
  }

  .hero-grid,
  .content-grid,
  .feature-grid,
  .media-hero,
  .flow-grid,
  .product-strip,
  .proof-section,
  .why-grid,
  .solution-row,
  .solution-row.reverse,
  .product-detail,
  .case-grid,
  .contact-layout,
  .contact-form {
    grid-template-columns: 1fr;
  }

  .solution-row.reverse > img,
  .solution-row.reverse .embedded-gallery {
    order: 0;
  }

  .timeline li {
    grid-template-columns: 1fr;
  }

  .split-heading,
  .cta-section {
    display: grid;
  }

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

  .metric-row,
  .case-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .hero,
  .section {
    width: min(var(--max), calc(100% - 28px));
  }

  .brand-text {
    display: none;
  }

  h1 {
    font-size: 2.6rem;
  }
}