:root {
  --geo-container: 1200px;
  --geo-white: #fff;
  --geo-ink: #121212;
  --geo-body: #4f5968;
  --geo-muted: #798391;
  --geo-line: #e4e8ed;
  --geo-cool: #f5f7f9;
  --geo-brand: #f39800;
  --geo-brand-dark: #d88200;
  --geo-heading: #121212;
  --geo-radius: 4px;
  --geo-shadow: 0 18px 50px rgba(18, 34, 55, .12);
}

.easyar-theme {
  --geo-ink: #26335e;
  --geo-body: #64708a;
  --geo-muted: #7f8ba3;
  --geo-line: #d9e7f5;
  --geo-cool: #eff7ff;
  --geo-brand: #00a0e9;
  --geo-brand-dark: #0089cc;
  --geo-heading: #374375;
  --geo-radius: 12px;
  --geo-shadow: 0 16px 38px rgba(37, 88, 135, .15);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--geo-ink);
  background: var(--geo-white);
  font-family: "Source Han Sans", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
.easyar-theme {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, summary { font: inherit; }
svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.site-container { width: min(calc(100% - 56px), var(--geo-container)); margin-inline: auto; }
.skip-link {
  position: fixed;
  z-index: 100;
  left: 16px;
  top: -60px;
  padding: 10px 14px;
  color: white;
  background: var(--geo-brand);
}
.skip-link:focus { top: 14px; }

/* Shared 60px official-site header geometry */
.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  height: 60px;
  color: white;
  background: #000;
}
.easyar-theme .site-header { background: #00a0e9; }
.header-inner {
  height: 60px;
  display: flex;
  align-items: center;
  gap: 46px;
}
.site-brand {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
}
.site-brand.sightplus img { width: 99px; height: 30px; object-fit: contain; }
.site-brand.easyar img { width: 96px; height: auto; object-fit: contain; }
.desktop-nav {
  margin-left: auto;
  display: flex;
  align-items: stretch;
  height: 100%;
  gap: 48px;
}
.desktop-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  color: rgba(255,255,255,.92);
  font-size: 15px;
  font-weight: 500;
  white-space: nowrap;
}
.desktop-nav a::after {
  content: "";
  position: absolute;
  right: 100%;
  bottom: 12px;
  left: 0;
  height: 2px;
  background: var(--geo-brand);
  transition: right .2s ease;
}
.desktop-nav a:hover,
.desktop-nav a:focus-visible { color: white; }
.desktop-nav a:hover::after,
.desktop-nav a:focus-visible::after { right: 0; }
.easyar-theme .desktop-nav { margin-left: 0; gap: 30px; }
.easyar-theme .desktop-nav a { font-size: 15px; }
.easyar-theme .desktop-nav a::after { bottom: 0; height: 3px; background: white; }
.header-utility {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.92);
  font-size: 14px;
}
.header-utility > span { width: 1px; height: 20px; margin: 0 8px; background: rgba(255,255,255,.35); }
.header-utility em { font-style: normal; color: rgba(255,255,255,.55); }
.mobile-nav { display: none; }

/* Hero */
.hero { position: relative; overflow: hidden; }
.hero-grid { position: relative; z-index: 1; }
.hero-copy { position: relative; z-index: 2; }
.hero h1 {
  margin: 0;
  color: inherit;
  font-size: clamp(48px, 4.6vw, 68px);
  line-height: 1.1;
  letter-spacing: -.045em;
  font-weight: 650;
  text-wrap: balance;
}
.hero-panel > p {
  margin: 0;
  color: inherit;
  font-size: 18px;
  line-height: 1.85;
}
.hero-actions { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 14px; }
.button {
  min-height: 48px;
  padding: 0 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--geo-brand);
  background: transparent;
  border: 1px solid var(--geo-brand);
  border-radius: var(--geo-radius);
  font-size: 15px;
  font-weight: 650;
  transition: transform .18s ease, color .18s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.button svg { width: 18px; transition: transform .18s ease; }
.button:hover { transform: translateY(-2px); }
.button:hover svg { transform: translateX(3px); }
.button.primary { color: white; background: var(--geo-brand); }
.button.primary:hover { background: var(--geo-brand-dark); }
.button.secondary { background: transparent; }

/* Sight+ uses the official black/orange cinematic language. */
.sightplus-theme .hero { color: white; background: #050505; }
.sightplus-theme .hero-grid {
  min-height: 680px;
  display: grid;
  grid-template-columns: minmax(380px, .82fr) minmax(600px, 1.3fr);
  gap: 0;
  align-items: stretch;
}
.sightplus-theme .hero-copy {
  padding: 112px 52px 92px 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.sightplus-theme .hero-title-group h1 { max-width: 560px; }
.sightplus-theme .hero-title-group h1::after {
  content: "";
  width: 72px;
  height: 3px;
  margin-top: 28px;
  display: block;
  background: #f39800;
}
.sightplus-theme .hero-panel { margin-top: 30px; max-width: 560px; }
.sightplus-theme .hero-panel > p { color: rgba(255,255,255,.72); }
.sightplus-theme .button.secondary { color: white; border-color: rgba(255,255,255,.5); }
.sightplus-theme .button.secondary:hover { border-color: #f39800; color: #f39800; }
.sightplus-theme .hero-media {
  position: relative;
  min-width: 0;
  margin: 0;
  overflow: hidden;
  background: #0a0a0a;
}
.sightplus-theme .hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, #050505 0%, rgba(5,5,5,.42) 14%, transparent 42%);
  pointer-events: none;
}
.sightplus-theme .hero-media picture { display: block; width: 100%; height: 100%; }
.sightplus-theme .hero-media img { width: 100%; height: 100%; object-fit: cover; }

/* EasyAR Mega follows the official blue immersive hero and cyan information panel. */
.easyar-theme .hero {
  min-height: 650px;
  color: white;
  background: #00a0e9;
}
.easyar-theme .hero-grid { width: 100%; min-height: 650px; }
.easyar-theme .hero-media {
  position: absolute;
  z-index: 0;
  inset: 0;
  margin: 0;
  overflow: hidden;
  background: #00a0e9;
}
.easyar-theme .hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,160,233,.08) 0%, rgba(0,126,204,.02) 50%, rgba(0,137,204,.38) 100%);
  pointer-events: none;
}
.easyar-theme .hero-media img { width: 100%; height: 100%; object-fit: cover; }
.easyar-theme .hero-copy {
  width: min(calc(100% - 56px), var(--geo-container));
  min-height: 650px;
  margin-inline: auto;
  padding: 60px 0 34px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.easyar-theme .hero-title-group {
  max-width: 860px;
  padding: 12px 32px 16px;
  text-align: center;
  background: linear-gradient(100deg, transparent 0%, rgba(0,128,205,.65) 20%, rgba(110,220,250,.45) 83%, transparent 100%);
  transform: skew(-14deg);
}
.easyar-theme .hero-title-group h1 {
  color: white;
  font-size: clamp(44px, 4.5vw, 64px);
  font-weight: 680;
  transform: skew(14deg);
  text-shadow: 0 2px 18px rgba(0,60,110,.24);
}
.easyar-theme .hero-panel {
  width: min(650px, 100%);
  margin-top: auto;
  padding: 28px 32px;
  background: linear-gradient(130deg, #00a0e9 0%, #14afe9 52%, #66d5f5 100%);
  border: 1px solid rgba(255,255,255,.42);
  border-radius: 14px;
  box-shadow: 0 22px 50px rgba(0, 67, 124, .26);
}
.easyar-theme .hero-panel > p { color: white; font-weight: 500; }
.easyar-theme .button { border-radius: 10px; }
.easyar-theme .button.primary { color: #0096de; background: white; border-color: white; }
.easyar-theme .button.primary:hover { color: #007eba; background: #f3fbff; }
.easyar-theme .button.secondary {
  color: white;
  border-color: rgba(255,255,255,.9);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.2);
}
.easyar-theme .button.secondary:hover { background: rgba(255,255,255,.12); }

/* The EasyAR cases index mirrors the official light-blue editorial header. */
.easyar-theme.page-easyar-ar-glasses-cases .hero {
  min-height: 420px;
  color: var(--geo-heading);
  background: #eff7ff;
}
.easyar-theme.page-easyar-ar-glasses-cases .hero-grid {
  width: min(calc(100% - 56px), var(--geo-container));
  min-height: 420px;
  display: grid;
  place-items: center;
}
.easyar-theme.page-easyar-ar-glasses-cases .hero-media { display: none; }
.easyar-theme.page-easyar-ar-glasses-cases .hero-copy {
  width: min(800px, 100%);
  min-height: 0;
  margin: 0;
  padding: 56px 0;
  text-align: center;
}
.easyar-theme.page-easyar-ar-glasses-cases .hero-title-group { background: none; transform: none; }
.easyar-theme.page-easyar-ar-glasses-cases .hero-title-group h1 {
  color: #374375;
  transform: none;
  text-shadow: none;
}
.easyar-theme.page-easyar-ar-glasses-cases .hero-panel {
  width: 100%;
  margin: 24px 0 0;
  padding: 0;
  color: #64708a;
  background: none;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}
.easyar-theme.page-easyar-ar-glasses-cases .hero-panel > p { color: #64708a; }
.easyar-theme.page-easyar-ar-glasses-cases .hero-actions { justify-content: center; }
.easyar-theme.page-easyar-ar-glasses-cases .button.primary { color: white; background: #00a0e9; border-color: #00a0e9; }
.easyar-theme.page-easyar-ar-glasses-cases .button.secondary { color: #00a0e9; border-color: #00a0e9; }

/* Content rhythm */
.section { padding: 100px 0; scroll-margin-top: 80px; }
.section + .section { border-top: 1px solid var(--geo-line); }
.cool-band { background: var(--geo-cool); border-top: 0 !important; }
.section-heading { max-width: 790px; margin-bottom: 52px; }
.section-heading.centered { max-width: 850px; margin-inline: auto; text-align: center; }
.section-heading h2 {
  margin: 0;
  color: var(--geo-heading);
  font-size: clamp(34px, 3.2vw, 46px);
  line-height: 1.22;
  letter-spacing: -.035em;
  font-weight: 620;
  text-wrap: balance;
}
.section-heading h2::after {
  content: "";
  width: 54px;
  height: 2px;
  margin-top: 20px;
  display: block;
  background: var(--geo-brand);
}
.section-heading.centered h2::after { margin-inline: auto; }
.easyar-theme .section-heading h2 { color: #374375; }
.easyar-theme .section-heading h2::after {
  width: 88px;
  height: 10px;
  margin-top: 18px;
  background: linear-gradient(90deg, #00a0e9 0%, #6bd9f6 75%, transparent 100%);
  transform: skew(-18deg);
}
.section-heading p { margin: 22px 0 0; color: var(--geo-body); font-size: 16px; line-height: 1.9; }
.lifecycle-section { padding-top: 86px; }

.lifecycle {
  position: relative;
  margin: 68px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  list-style: none;
}
.lifecycle::before {
  content: "";
  position: absolute;
  top: 25px;
  right: 4%;
  left: 4%;
  height: 1px;
  background: var(--geo-brand);
}
.lifecycle li { position: relative; padding: 0 16px; text-align: center; }
.lifecycle li > span {
  position: relative;
  z-index: 1;
  width: 52px;
  height: 52px;
  margin: 0 auto 23px;
  display: grid;
  place-items: center;
  color: var(--geo-brand);
  background: white;
  border: 1px solid var(--geo-brand);
  border-radius: 50%;
  font-size: 12px;
  font-weight: 700;
}
.easyar-theme .lifecycle li > span { box-shadow: 0 0 0 8px #f1faff; }
.lifecycle h3 { margin: 0; font-size: 16px; line-height: 1.45; font-weight: 650; }
.lifecycle p { margin: 10px 0 0; color: var(--geo-muted); font-size: 13px; line-height: 1.75; }

.sightplus-theme .cool-band { color: white; background: #0c0c0c; }
.sightplus-theme .cool-band .section-heading h2 { color: white; }
.sightplus-theme .cool-band .section-heading p { color: rgba(255,255,255,.65); }
.layer-stack { display: grid; gap: 14px; }
.layer-stack article {
  min-height: 94px;
  padding: 22px 28px;
  display: grid;
  grid-template-columns: 56px minmax(220px, .72fr) 1.6fr;
  gap: 28px;
  align-items: center;
  background: white;
  border: 1px solid var(--geo-line);
  border-radius: var(--geo-radius);
}
.layer-stack article:nth-child(even) { margin-left: 46px; margin-right: 46px; }
.layer-stack article > span { color: var(--geo-brand); font-size: 13px; font-weight: 750; }
.layer-stack h3 { margin: 0; color: var(--geo-brand); font-size: 19px; }
.layer-stack p { margin: 0; color: var(--geo-body); font-size: 14px; line-height: 1.75; }
.sightplus-theme .layer-stack article { background: #171717; border-color: #333; }
.sightplus-theme .layer-stack p { color: rgba(255,255,255,.68); }
.easyar-theme .layer-stack article {
  border: 2px solid white;
  border-radius: 12px;
  box-shadow: 0 10px 28px rgba(59, 101, 141, .09);
}
.easyar-theme .layer-stack article:nth-child(3) {
  color: white;
  background: linear-gradient(105deg, #009cea, #55d0f2);
  border-color: transparent;
}
.easyar-theme .layer-stack article:nth-child(3) h3,
.easyar-theme .layer-stack article:nth-child(3) p,
.easyar-theme .layer-stack article:nth-child(3) > span { color: white; }

.steps {
  margin: 70px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  list-style: none;
}
.steps li { position: relative; padding: 0 24px 0 0; }
.steps li::after {
  content: "";
  position: absolute;
  top: 17px;
  right: 0;
  left: 45px;
  border-top: 1px dashed color-mix(in srgb, var(--geo-brand) 55%, white);
}
.steps li:last-child::after { display: none; }
.steps li > span {
  position: relative;
  z-index: 1;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  color: white;
  background: var(--geo-brand);
  border-radius: 50%;
  font-size: 12px;
  font-weight: 750;
}
.sightplus-theme .steps li > span { color: #111; }
.steps h3 { margin: 24px 0 0; font-size: 18px; font-weight: 650; }
.steps p { margin: 12px 0 0; color: var(--geo-muted); font-size: 13px; line-height: 1.8; }

.comparison-table {
  overflow-x: auto;
  border: 1px solid var(--geo-line);
  border-radius: var(--geo-radius);
  outline: none;
  background: white;
}
.comparison-table:focus-visible { box-shadow: 0 0 0 3px color-mix(in srgb, var(--geo-brand) 18%, transparent); }
.comparison-table table { width: 100%; min-width: 780px; border-collapse: collapse; }
.comparison-table th,
.comparison-table td {
  padding: 19px 22px;
  text-align: left;
  border-bottom: 1px solid var(--geo-line);
  font-size: 14px;
  line-height: 1.7;
}
.comparison-table thead th { color: white; background: #111; font-weight: 650; }
.sightplus-theme .comparison-table thead { border-top: 3px solid #f39800; }
.easyar-theme .comparison-table thead th { background: linear-gradient(90deg, #009ce7, #3cc5ef); }
.comparison-table tbody th { width: 22%; color: var(--geo-heading); background: #f7f9fb; font-weight: 650; }
.easyar-theme .comparison-table tbody th { background: #f3f9ff; }
.comparison-table tbody td { color: var(--geo-body); }
.comparison-table tr:last-child th,
.comparison-table tr:last-child td { border-bottom: 0; }

.case-section { background: white; }
.easyar-theme .case-section { background: #eff7ff; }
.case-list { border-top: 1px solid var(--geo-ink); }
.case-item {
  min-height: 196px;
  padding: 34px 0;
  display: grid;
  grid-template-columns: 64px minmax(220px, .9fr) 1.35fr 196px;
  gap: 28px;
  align-items: start;
  border-bottom: 1px solid var(--geo-line);
}
.case-index { color: var(--geo-brand); font-size: 13px; font-weight: 750; }
.case-main h3 { margin: 0; color: var(--geo-heading); font-size: 22px; line-height: 1.35; }
.case-main p { margin: 13px 0 0; color: var(--geo-body); font-size: 14px; line-height: 1.8; }
.case-item dl { margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.case-item dl div { padding-left: 17px; border-left: 1px solid var(--geo-line); }
.case-item dt { color: var(--geo-brand); font-size: 12px; font-weight: 700; }
.case-item dd { margin: 8px 0 0; color: var(--geo-body); font-size: 13px; line-height: 1.7; }
.case-item > a {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 9px;
  color: var(--geo-brand);
  font-size: 13px;
  font-weight: 650;
}
.case-item > a svg { width: 17px; }
.easyar-theme .case-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  border: 0;
}
.easyar-theme .case-list.single { grid-template-columns: minmax(0, 760px); }
.easyar-theme .case-item {
  min-height: 0;
  padding: 28px;
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px 18px;
  background: white;
  border: 2px solid white;
  border-radius: 12px;
  box-shadow: 0 14px 34px rgba(42, 91, 134, .13);
}
.easyar-theme .case-main { grid-column: 2; }
.easyar-theme .case-item dl {
  grid-column: 1 / -1;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: 8px;
}
.easyar-theme .case-item dl div { padding: 10px 0; border-left: 0; border-top: 1px solid var(--geo-line); }
.easyar-theme .case-item dd { margin-top: 4px; }
.easyar-theme .case-item > a { grid-column: 1 / -1; justify-content: flex-start; margin-top: 4px; }

.faq-section { padding-bottom: 112px; }
.easyar-theme .faq-section { background: #f8fbff; }
.faq-list { overflow: hidden; border: 1px solid var(--geo-line); border-radius: var(--geo-radius); }
.faq-list details + details { border-top: 1px solid var(--geo-line); }
.faq-list summary {
  min-height: 72px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 650;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary svg { flex: 0 0 22px; color: var(--geo-brand); transition: transform .2s ease; }
.faq-list details[open] summary svg { transform: rotate(45deg); }
.faq-list details > div { padding: 0 74px 24px 24px; }
.faq-list details p { max-width: 950px; margin: 0; color: var(--geo-body); font-size: 14px; line-height: 1.9; }
.easyar-theme .faq-list { display: grid; gap: 10px; overflow: visible; border: 0; border-radius: 0; }
.easyar-theme .faq-list details {
  background: white;
  border: 1px solid #dceafa !important;
  border-radius: 10px;
  box-shadow: 0 7px 22px rgba(54, 99, 139, .07);
}

.related-section { padding: 42px 0 62px; border-top: 1px solid var(--geo-line); }
.related-inner { display: grid; grid-template-columns: 190px 1fr; gap: 46px; align-items: start; }
.related-inner h2 { margin: 10px 0 0; color: var(--geo-heading); font-size: 23px; }
.related-inner nav { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--geo-line); }
.related-inner nav a {
  min-height: 74px;
  padding: 0 17px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--geo-body);
  border-bottom: 1px solid var(--geo-line);
  font-size: 14px;
  font-weight: 620;
}
.related-inner nav a:hover { color: var(--geo-brand); background: var(--geo-cool); }
.related-inner nav svg { width: 17px; }

.cta-band { position: relative; overflow: hidden; padding: 58px 0; color: white; background: #0b0b0b; }
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 6px;
  background: var(--geo-brand);
}
.cta-band > .site-container {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
}
.cta-band h2 { margin: 0; font-size: clamp(28px, 2.8vw, 42px); letter-spacing: -.03em; font-weight: 600; }
.cta-band p { margin: 12px 0 0; color: rgba(255,255,255,.72); font-size: 15px; line-height: 1.7; }
.cta-button { flex: 0 0 auto; color: #111; background: var(--geo-brand); border-color: var(--geo-brand); }
.cta-button:hover { color: #111; background: white; border-color: white; }
.cta-band.easyar { background: linear-gradient(105deg, #008fd7 0%, #00a8e8 56%, #4dcdf1 100%); }
.cta-band.easyar::before {
  left: auto;
  right: 5%;
  width: 240px;
  background: linear-gradient(120deg, transparent 20%, rgba(255,255,255,.12) 20% 47%, transparent 47% 60%, rgba(255,255,255,.08) 60% 82%, transparent 82%);
  transform: skew(-16deg);
}
.cta-band.easyar .cta-button { color: #008dcc; background: white; border-color: white; }

/* Footers mirror each site's published footer language. */
.site-footer { color: rgba(255,255,255,.7); background: #171717; }
.easyar-theme .site-footer { background: #000; }
.footer-inner {
  padding: 52px 0 26px;
  display: grid;
  grid-template-columns: minmax(260px, 1fr) auto;
  gap: 42px 80px;
  align-items: start;
}
.footer-brand .site-brand.sightplus img { width: 132px; height: 40px; }
.footer-brand .site-brand.easyar img { width: 108px; height: auto; }
.footer-brand p { margin: 15px 0 0; color: rgba(255,255,255,.52); font-size: 13px; }
.footer-columns { display: grid; grid-template-columns: repeat(3, minmax(130px, 1fr)); gap: 56px; }
.footer-columns > div { display: grid; gap: 10px; }
.footer-columns strong { margin-bottom: 6px; color: white; font-size: 14px; }
.footer-columns a,
.footer-links a { color: rgba(255,255,255,.58); font-size: 13px; }
.footer-columns a:hover,
.footer-links a:hover { color: var(--geo-brand); }
.footer-links { display: flex; flex-wrap: wrap; gap: 12px 24px; }
.easyar-footer-links { align-self: center; }
.copyright {
  grid-column: 1 / -1;
  margin: 0;
  padding-top: 24px;
  color: rgba(255,255,255,.38);
  border-top: 1px solid rgba(255,255,255,.12);
  font-size: 12px;
}

/* MetaTour third-generation AR glasses product page */
.page-scenic-ar-glasses .hero-grid {
  width: 100%;
  max-width: none;
  min-height: 740px;
  display: block;
}
.page-scenic-ar-glasses .hero-media {
  position: absolute;
  inset: 0;
}
.page-scenic-ar-glasses .hero-media::after {
  background:
    linear-gradient(90deg, #050505 0%, rgba(5,5,5,.97) 21%, rgba(5,5,5,.68) 43%, rgba(5,5,5,.08) 70%, rgba(5,5,5,.1) 100%);
}
.page-scenic-ar-glasses .hero-media img { object-position: center; }
.page-scenic-ar-glasses .hero-copy {
  width: min(calc(100% - 56px), var(--geo-container));
  min-height: 740px;
  margin-inline: auto;
  padding: 82px 52% 72px 0;
}
.hero-product {
  width: fit-content;
  margin: 0 0 26px;
  padding-left: 16px;
  color: #f39800;
  border-left: 5px solid #f39800;
  font-size: clamp(25px, 2.2vw, 34px);
  font-weight: 820;
  line-height: 1.08;
  letter-spacing: .015em;
  text-shadow: 0 0 30px rgba(243,152,0,.16);
}
.page-scenic-ar-glasses .hero-title-group h1 {
  max-width: 650px;
  font-size: clamp(52px, 4.3vw, 62px);
  letter-spacing: -.05em;
}
.page-scenic-ar-glasses .hero-title-group h1 > span {
  display: block;
  white-space: nowrap;
}
.page-scenic-ar-glasses .hero-title-group h1 em {
  color: #f39800;
  font-style: normal;
}
.page-scenic-ar-glasses .hero-panel { max-width: 610px; }
.page-scenic-ar-glasses .hero-panel > p:first-child {
  color: rgba(255,255,255,.86);
  font-size: 22px;
  font-weight: 560;
}
.page-scenic-ar-glasses .hero-panel .hero-note {
  margin-top: 18px;
  color: rgba(255,255,255,.6);
  font-size: 16px;
  line-height: 1.8;
}
.page-scenic-ar-glasses .lifecycle-section { padding-top: 92px; }
.page-scenic-ar-glasses .lifecycle { grid-template-columns: repeat(3, 1fr); }
.page-scenic-ar-glasses .lifecycle li { padding-inline: 34px; }
.page-scenic-ar-glasses .lifecycle li > div {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.generation-pictogram {
  width: 184px;
  height: 184px;
  margin: 16px auto 24px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: white;
  border-radius: 12px;
}
.generation-pictogram img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.generation-section { background: white; }
.generation-section .section-heading { max-width: 960px; }
.generation-heads {
  margin-left: 180px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.generation-heads article {
  min-height: 128px;
  padding: 24px 28px;
  border-top: 1px solid #111;
}
.generation-heads article + article { border-left: 1px solid #e0e0e0; }
.generation-heads article.is-current {
  color: #f39800;
  background: #fff8ed;
  border-top-color: #f39800;
  border-left: 3px solid #f39800;
}
.generation-heads span { font-size: 14px; font-weight: 650; }
.generation-heads h3 { margin: 10px 0 0; font-size: 23px; line-height: 1.35; }
.generation-recommended {
  margin-top: 14px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #15845c;
  font-size: 12px !important;
  font-weight: 750 !important;
}
.generation-recommended svg,
.generation-current-value > svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  fill: #18a36f;
  stroke: white;
  stroke-width: 2.1;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.generation-matrix { overflow-x: auto; outline: none; }
.generation-matrix:focus-visible { box-shadow: 0 0 0 3px rgba(243,152,0,.18); }
.generation-matrix table { width: 100%; min-width: 960px; border-collapse: collapse; table-layout: fixed; }
.generation-matrix th,
.generation-matrix td {
  padding: 20px 26px;
  text-align: left;
  border-top: 1px solid #dedede;
  font-size: 14px;
  line-height: 1.7;
  vertical-align: top;
}
.generation-matrix th {
  width: 180px;
  position: sticky;
  left: 0;
  z-index: 1;
  color: #111;
  background: white;
  font-weight: 700;
}
.generation-matrix td { color: #56606d; }
.generation-matrix td + td { border-left: 1px solid #ededed; }
.generation-matrix td.is-current {
  color: #9c5a00;
  background: #fff8ed;
  border-left: 3px solid #f39800;
}
.generation-current-value {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.generation-current-value > svg { margin-top: 3px; }

.metatour-definition {
  color: white;
  background: #0a0a0a;
  border-top: 0 !important;
}
.definition-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 96px;
  align-items: start;
}
.metatour-definition .section-heading { margin-bottom: 34px; }
.metatour-definition .section-heading h2 { color: white; }
.metatour-definition blockquote {
  margin: 0;
  color: rgba(255,255,255,.92);
  max-width: 690px;
  font-size: clamp(20px, 1.7vw, 26px);
  line-height: 1.9;
  font-weight: 500;
  letter-spacing: -.01em;
}
.metatour-definition blockquote::before {
  content: "“";
  display: block;
  height: 34px;
  color: #f39800;
  font-size: 56px;
  line-height: 1;
}
.technology-panel {
  padding: 10px 0 0 46px;
  border-left: 1px solid rgba(243,152,0,.55);
}
.technology-panel h3 { margin: 0; color: #f39800; font-size: 27px; }
.technology-panel > p { margin: 18px 0 26px; color: rgba(255,255,255,.64); line-height: 1.85; }
.technology-panel ul { margin: 0; padding: 0; list-style: none; }
.technology-panel li {
  padding: 15px 0;
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 18px;
  border-top: 1px solid rgba(255,255,255,.13);
}
.technology-panel li strong { color: white; font-size: 14px; }
.technology-panel li span { color: rgba(255,255,255,.54); font-size: 13px; line-height: 1.7; }
.technology-panel > a,
.source-link {
  margin-top: 24px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #f39800;
  font-size: 14px;
  font-weight: 650;
}
.technology-panel > a svg,
.source-link svg { width: 17px; }

.page-scenic-ar-glasses .cool-band {
  color: #111;
  background: white;
}
.page-scenic-ar-glasses .cool-band .section-heading h2 { color: #111; }
.page-scenic-ar-glasses .cool-band .section-heading p { color: #4f5968; }
.page-scenic-ar-glasses .layer-stack { gap: 0; border-top: 1px solid #111; }
.page-scenic-ar-glasses .layer-stack article,
.page-scenic-ar-glasses .layer-stack article:nth-child(even) {
  min-height: 88px;
  margin: 0;
  padding: 18px 24px;
  color: #111;
  background: white;
  border: 0;
  border-bottom: 1px solid #ddd;
  border-radius: 0;
  grid-template-columns: 64px minmax(220px, .65fr) 1.7fr;
}
.page-scenic-ar-glasses .layer-stack article:nth-child(3) {
  color: #111;
  background: #f39800;
  border-color: #f39800;
}
.page-scenic-ar-glasses .layer-stack article:nth-child(3) > span,
.page-scenic-ar-glasses .layer-stack article:nth-child(3) h3,
.page-scenic-ar-glasses .layer-stack article:nth-child(3) p { color: #111; }
.page-scenic-ar-glasses .layer-stack h3 { color: #111; font-size: 20px; }
.page-scenic-ar-glasses .layer-stack p { color: #59626f; }

.metatour-architecture { background: #f6f6f6; }
.architecture-diagram {
  padding: 32px;
  background: white;
  border: 1px solid #d9d9d9;
}
.architecture-terminals {
  display: grid;
  grid-template-columns: 160px 1fr;
  align-items: center;
  gap: 24px;
}
.architecture-terminals > span,
.architecture-operations > span {
  color: #f39800;
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .08em;
}
.architecture-terminals > div {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid #111;
}
.architecture-terminals strong {
  min-height: 64px;
  display: grid;
  place-items: center;
  color: #111;
  font-size: 15px;
  font-weight: 650;
}
.architecture-terminals strong + strong { border-left: 1px solid #ddd; }
.architecture-body {
  margin-top: 28px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 270px;
  gap: 28px;
}
.architecture-stack { display: grid; gap: 18px; }
.architecture-stack article {
  min-height: 82px;
  position: relative;
  padding: 18px 24px;
  display: grid;
  grid-template-columns: 48px 190px 1fr;
  gap: 18px;
  align-items: center;
  color: #111;
  background: white;
  border: 1px solid #cfcfcf;
}
.architecture-stack article:not(:last-child)::after {
  content: "";
  width: 9px;
  height: 9px;
  position: absolute;
  right: 50%;
  bottom: -15px;
  border-right: 2px solid #f39800;
  border-bottom: 2px solid #f39800;
  transform: rotate(45deg);
}
.architecture-stack article > span { color: #f39800; font-size: 12px; font-weight: 750; }
.architecture-stack article > div {
  display: contents;
}
.architecture-stack h3 { margin: 0; font-size: 19px; }
.architecture-stack p { margin: 0; color: #66707d; font-size: 14px; line-height: 1.7; }
.architecture-stack article.is-core {
  color: #111;
  background: #f39800;
  border-color: #f39800;
  box-shadow: 0 14px 34px rgba(243,152,0,.17);
}
.architecture-stack article.is-core > span,
.architecture-stack article.is-core p { color: #111; }
.architecture-operations {
  position: relative;
  padding: 30px 26px;
  color: white;
  background: #111;
  border-left: 4px solid #f39800;
}
.architecture-operations::before {
  content: "";
  width: 28px;
  position: absolute;
  top: 50%;
  left: -29px;
  border-top: 1px solid #f39800;
}
.architecture-operations h3 { margin: 14px 0 0; color: white; font-size: 23px; }
.architecture-operations p { margin: 16px 0 22px; color: rgba(255,255,255,.62); font-size: 13px; line-height: 1.75; }
.architecture-operations ul {
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
}
.architecture-operations li {
  padding: 7px 10px;
  color: rgba(255,255,255,.78);
  border: 1px solid rgba(255,255,255,.18);
  font-size: 12px;
}

.metatour-capabilities {
  color: white;
  background: #0b0b0b;
  border-top: 0 !important;
}
.metatour-capabilities .section-heading h2 { color: white; }
.metatour-capabilities .section-heading p { color: rgba(255,255,255,.58); }
.capability-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  column-gap: 76px;
}
.capability-grid article {
  min-height: 150px;
  padding: 30px 0;
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 22px;
  align-items: center;
  border-top: 1px solid rgba(243,152,0,.48);
}
.capability-icon {
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  color: #f39800;
}
.capability-icon svg {
  width: 52px;
  height: 52px;
  stroke-width: 1.7;
}
.capability-grid h3 { margin: 0; color: white; font-size: 21px; }
.capability-grid p { margin: 10px 0 0; color: rgba(255,255,255,.58); font-size: 14px; line-height: 1.8; }

.journey-rail {
  position: relative;
  margin: 62px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  list-style: none;
}
.journey-rail::before {
  content: "";
  position: absolute;
  top: 25px;
  right: 4%;
  left: 4%;
  border-top: 2px dashed #f39800;
}
.journey-rail li { position: relative; padding: 0 18px; text-align: center; }
.journey-rail li > span {
  position: relative;
  z-index: 1;
  width: 52px;
  height: 52px;
  margin: 0 auto 22px;
  display: grid;
  place-items: center;
  color: #111;
  background: #f39800;
  border: 6px solid white;
  border-radius: 50%;
  box-shadow: 0 0 0 1px #f39800;
  font-size: 12px;
  font-weight: 750;
}
.journey-rail h3 { margin: 0; font-size: 17px; }
.journey-rail p { margin: 10px 0 0; color: #7b8490; font-size: 13px; line-height: 1.75; }

.metatour-cases { background: #f7f7f7; }
.story-case-list { display: grid; gap: 30px; }
.story-case {
  min-height: 430px;
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  background: white;
  border: 1px solid #ddd;
}
.story-case:nth-child(even) { grid-template-columns: .92fr 1.08fr; }
.story-case:nth-child(even) figure { order: 2; }
.story-case figure { min-width: 0; margin: 0; overflow: hidden; }
.story-case figure img { width: 100%; height: 100%; object-fit: cover; }
.story-case > div { padding: 52px 54px; display: flex; flex-direction: column; justify-content: center; }
.story-case > div > span { color: #f39800; font-size: 13px; font-weight: 750; }
.story-case h3 { margin: 14px 0 0; font-size: clamp(29px, 2.5vw, 38px); line-height: 1.3; }
.story-case h3::after { content: ""; width: 46px; height: 2px; margin-top: 20px; display: block; background: #f39800; }
.story-case p { margin: 22px 0 0; color: #56606d; line-height: 1.9; }
.story-case ul { margin: 22px 0 0; padding: 0; display: grid; gap: 10px; list-style: none; }
.story-case li { position: relative; padding-left: 18px; color: #333; font-size: 14px; line-height: 1.7; }
.story-case li::before { content: ""; position: absolute; top: .75em; left: 0; width: 7px; height: 2px; background: #f39800; }
.story-case small { margin-top: 24px; color: #9a9fa6; font-size: 11px; }
.story-case-link {
  width: fit-content;
  margin-top: 18px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #111;
  font-size: 13px;
  font-weight: 750;
  text-decoration: none;
  border-bottom: 1px solid #f39800;
}
.story-case-link svg { width: 15px; height: 15px; }
.story-case-link:hover { color: #d87f00; }

.metatour-values {
  color: white;
  background: #080808;
  border-top: 0 !important;
}
.metatour-values .section-heading { max-width: 950px; }
.metatour-values .section-heading h2 { color: white; }
.value-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid rgba(243,152,0,.55);
}
.value-grid article {
  min-height: 240px;
  padding: 32px 24px;
  border-right: 1px solid rgba(255,255,255,.14);
}
.value-grid article:last-child { border-right: 0; }
.value-grid article > span { color: #f39800; font-size: 12px; font-weight: 750; }
.value-grid h3 { margin: 26px 0 0; color: white; font-size: 19px; line-height: 1.45; }
.value-grid p { margin: 14px 0 0; color: rgba(255,255,255,.52); font-size: 13px; line-height: 1.8; }

.device-list { border-top: 1px solid #111; }
.device-list article {
  min-height: 108px;
  padding: 24px 20px;
  display: grid;
  grid-template-columns: 72px minmax(240px, .7fr) 1.3fr;
  gap: 22px;
  align-items: center;
  border-bottom: 1px solid #dedede;
}
.device-list article > span { color: #f39800; font-size: 13px; font-weight: 750; }
.device-list h3 { margin: 0; font-size: 20px; }
.device-list p { margin: 0; color: #69727e; font-size: 14px; line-height: 1.8; }

.cta-actions { flex: 0 0 auto; display: flex; gap: 14px; }
.cta-secondary { color: #f39800; border-color: #f39800; }
.cta-secondary:hover { color: #111; background: white; border-color: white; }

/* Preview index */
.preview-index { min-height: 100vh; padding: 76px 0; background: #edf3f8; }
.preview-index main > h1 { margin: 0; color: #18213b; font-size: 48px; letter-spacing: -.045em; }
.preview-index main > p { margin: 16px 0 40px; color: #64708a; }
.preview-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.preview-grid > a {
  min-height: 136px;
  padding: 24px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 20px;
  align-items: center;
  background: white;
  border: 1px solid #dce4ed;
  border-radius: 10px;
  transition: transform .18s ease, box-shadow .18s ease;
}
.preview-grid > a:hover { transform: translateY(-3px); box-shadow: 0 16px 40px rgba(24, 48, 77, .12); }
.preview-grid span { color: #00a0e9; font-size: 13px; font-weight: 700; }
.preview-grid strong { grid-column: 1; color: #18213b; font-size: 18px; }
.preview-grid small { grid-column: 1; color: #7a8797; }
.preview-grid svg { grid-column: 2; grid-row: 1 / span 3; color: #00a0e9; }

@media (max-width: 1120px) {
  .desktop-nav { gap: 28px; }
  .easyar-theme .desktop-nav { gap: 18px; }
  .header-utility { display: none; }
  .sightplus-theme .hero-grid { grid-template-columns: minmax(340px, .8fr) minmax(500px, 1.2fr); }
  .sightplus-theme .hero-copy { padding-right: 34px; }
  .lifecycle { grid-template-columns: repeat(3, 1fr); row-gap: 44px; }
  .lifecycle::before { display: none; }
  .steps { grid-template-columns: repeat(3, 1fr); row-gap: 46px; }
  .steps li:nth-child(3)::after,
  .steps li:last-child::after { display: none; }
  .case-item { grid-template-columns: 50px 1fr 1.3fr; }
  .case-item > a { grid-column: 2 / -1; justify-content: flex-start; }
  .easyar-theme .case-item > a { grid-column: 1 / -1; }
  .related-inner nav { grid-template-columns: 1fr; }
  .page-scenic-ar-glasses .hero-copy { padding-right: 46%; }
  .definition-grid { gap: 58px; }
  .value-grid { grid-template-columns: repeat(3, 1fr); }
  .value-grid article:nth-child(3) { border-right: 0; }
  .value-grid article:nth-child(n + 4) { border-top: 1px solid rgba(255,255,255,.14); }
}

@media (max-width: 860px) {
  .site-container { width: min(calc(100% - 36px), var(--geo-container)); }
  .site-header,
  .header-inner { height: 60px; }
  .desktop-nav,
  .header-utility { display: none; }
  .header-inner { justify-content: space-between; }
  .mobile-nav { position: relative; display: block; }
  .mobile-nav summary {
    width: 58px;
    height: 60px;
    padding: 0;
    display: grid;
    place-items: center;
    cursor: pointer;
    list-style: none;
  }
  .mobile-nav summary::-webkit-details-marker { display: none; }
  .menu-label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
  .menu-icon,
  .menu-icon::before,
  .menu-icon::after {
    width: 24px;
    height: 2px;
    display: block;
    background: white;
    transition: transform .2s ease;
  }
  .menu-icon { position: relative; }
  .menu-icon::before,
  .menu-icon::after { content: ""; position: absolute; left: 0; }
  .menu-icon::before { top: -7px; }
  .menu-icon::after { top: 7px; }
  .mobile-nav[open] .menu-icon { background: transparent; }
  .mobile-nav[open] .menu-icon::before { top: 0; transform: rotate(45deg); }
  .mobile-nav[open] .menu-icon::after { top: 0; transform: rotate(-45deg); }
  .mobile-nav nav {
    position: absolute;
    z-index: 20;
    top: 60px;
    right: 0;
    width: min(330px, calc(100vw - 28px));
    padding: 10px;
    display: grid;
    color: white;
    background: #151515;
    border: 1px solid #333;
    box-shadow: 0 20px 46px rgba(0,0,0,.3);
  }
  .easyar-theme .mobile-nav nav { background: #058ed0; border-color: rgba(255,255,255,.24); }
  .mobile-nav nav a { padding: 12px; color: rgba(255,255,255,.86); border-bottom: 1px solid rgba(255,255,255,.12); font-size: 14px; }
  .mobile-nav nav a:hover { color: white; background: rgba(255,255,255,.07); }
  .mobile-nav-label { padding: 18px 12px 8px; color: var(--geo-brand); font-size: 12px; font-weight: 700; }
  .easyar-theme .mobile-nav-label { color: white; opacity: .7; }

  .page-scenic-ar-glasses .hero-grid { min-height: 720px; }
  .page-scenic-ar-glasses .hero-copy {
    width: min(calc(100% - 36px), var(--geo-container));
    min-height: 720px;
    padding: 72px 42% 58px 0;
  }
  .page-scenic-ar-glasses .hero-media { position: absolute; aspect-ratio: auto; }
  .page-scenic-ar-glasses .hero-media::after {
    background: linear-gradient(90deg, #050505 0%, rgba(5,5,5,.92) 30%, rgba(5,5,5,.46) 63%, rgba(5,5,5,.08) 100%);
  }
  .page-scenic-ar-glasses .hero-title-group h1 { font-size: 52px; }
  .page-scenic-ar-glasses .lifecycle { grid-template-columns: 1fr; }
  .page-scenic-ar-glasses .lifecycle li {
    padding: 0;
    display: grid;
    grid-template-columns: 52px 1fr;
    gap: 18px;
    text-align: left;
  }
  .page-scenic-ar-glasses .lifecycle li > span { margin: 0; }
  .page-scenic-ar-glasses .lifecycle li > div { align-items: flex-start; }
  .page-scenic-ar-glasses .generation-pictogram {
    width: 150px;
    height: 150px;
    margin: 0 0 16px;
  }
  .generation-heads { margin-left: 0; }
  .generation-heads article { padding: 20px; }
  .generation-heads h3 { font-size: 18px; }
  .definition-grid { grid-template-columns: 1fr; }
  .technology-panel { padding: 36px 0 0; border-top: 1px solid rgba(243,152,0,.55); border-left: 0; }
  .capability-grid { column-gap: 38px; }
  .journey-rail { grid-template-columns: repeat(3, 1fr); row-gap: 42px; }
  .journey-rail::before { display: none; }
  .story-case,
  .story-case:nth-child(even) { min-height: 0; grid-template-columns: 1fr; }
  .story-case:nth-child(even) figure { order: 0; }
  .story-case figure { aspect-ratio: 16 / 9; }
  .device-list article { grid-template-columns: 54px 1fr; }
  .device-list p { grid-column: 2; }

  .sightplus-theme .hero-grid {
    width: 100%;
    min-height: 0;
    display: flex;
    flex-direction: column;
  }
  .sightplus-theme .hero-copy {
    width: min(calc(100% - 36px), var(--geo-container));
    margin-inline: auto;
    padding: 70px 0 52px;
  }
  .sightplus-theme .hero-media { width: 100%; aspect-ratio: 16 / 10; }
  .sightplus-theme .hero-media::after { background: linear-gradient(180deg, #050505 0%, transparent 28%); }

  .easyar-theme .hero { min-height: 660px; }
  .easyar-theme .hero-grid { min-height: 660px; }
  .easyar-theme .hero-copy { width: min(calc(100% - 36px), var(--geo-container)); min-height: 660px; padding: 38px 0 28px; }
  .easyar-theme .hero-title-group { max-width: 90%; padding: 10px 20px 13px; }
  .easyar-theme .hero-title-group h1 { font-size: clamp(38px, 8vw, 54px); }
  .easyar-theme .hero-panel { padding: 24px 26px; }
  .easyar-theme.page-easyar-ar-glasses-cases .hero,
  .easyar-theme.page-easyar-ar-glasses-cases .hero-grid { min-height: 390px; }
  .easyar-theme.page-easyar-ar-glasses-cases .hero-grid { width: min(calc(100% - 36px), var(--geo-container)); }
  .easyar-theme.page-easyar-ar-glasses-cases .hero-copy { min-height: 0; padding: 46px 0; }

  .section { padding: 78px 0; }
  .section-heading { margin-bottom: 40px; }
  .section-heading h2 { font-size: 34px; }
  .lifecycle { grid-template-columns: repeat(2, 1fr); margin-top: 48px; }
  .layer-stack article,
  .layer-stack article:nth-child(even) { margin: 0; grid-template-columns: 42px 1fr; gap: 10px 18px; }
  .layer-stack article p { grid-column: 2; }
  .steps { grid-template-columns: repeat(2, 1fr); margin-top: 48px; }
  .steps li:nth-child(3)::after { display: block; }
  .steps li:nth-child(even)::after { display: none; }
  .case-item { grid-template-columns: 42px 1fr; gap: 20px; }
  .case-item dl,
  .case-item > a { grid-column: 2; }
  .case-item dl { grid-template-columns: 1fr; }
  .case-item dl div { padding: 0 0 12px; border-left: 0; border-bottom: 1px solid var(--geo-line); }
  .easyar-theme .case-list { grid-template-columns: 1fr; }
  .easyar-theme .case-item dl,
  .easyar-theme .case-item > a { grid-column: 1 / -1; }
  .related-inner { grid-template-columns: 1fr; gap: 24px; }
  .cta-band > .site-container { align-items: flex-start; flex-direction: column; }
  .cta-actions { width: 100%; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-columns { gap: 32px; }
  .copyright { grid-column: 1; }
  .preview-grid { grid-template-columns: 1fr; }
}

@media (max-width: 540px) {
  .site-container { width: min(calc(100% - 28px), var(--geo-container)); }
  .site-brand.sightplus img { width: 99px; height: 30px; }
  .site-brand.easyar img { width: 92px; }

  .hero h1 { font-size: 40px; line-height: 1.14; }
  .hero-panel > p { font-size: 16px; line-height: 1.75; }
  .hero-actions { align-items: stretch; flex-direction: column; margin-top: 24px; }
  .button { width: 100%; min-height: 46px; }
  .sightplus-theme .hero-copy { width: min(calc(100% - 28px), var(--geo-container)); padding: 56px 0 42px; }
  .sightplus-theme .hero-title-group h1::after { margin-top: 22px; }
  .sightplus-theme .hero-panel { margin-top: 24px; }
  .sightplus-theme .hero-media { aspect-ratio: 4 / 3; }
  .sightplus-theme .hero-media img { object-position: 58% center; }
  .page-scenic-ar-glasses .hero-grid { min-height: 760px; }
  .page-scenic-ar-glasses .hero-copy {
    width: min(calc(100% - 28px), var(--geo-container));
    min-height: 760px;
    padding: 54px 0 42px;
    justify-content: flex-start;
  }
  .page-scenic-ar-glasses .hero-media {
    position: absolute;
    inset: 0;
    aspect-ratio: auto;
  }
  .page-scenic-ar-glasses .hero-media::after {
    background:
      linear-gradient(180deg, #050505 0%, rgba(5,5,5,.95) 46%, rgba(5,5,5,.18) 68%, rgba(5,5,5,.06) 100%),
      linear-gradient(90deg, #050505 0%, transparent 60%);
  }
  .page-scenic-ar-glasses .hero-media img { object-position: center; }
  .page-scenic-ar-glasses .hero-title-group h1 { font-size: 42px; }
  .page-scenic-ar-glasses .hero-title-group h1 > span { white-space: normal; }
  .page-scenic-ar-glasses .hero-panel > p:first-child { font-size: 18px; }
  .hero-product {
    margin-bottom: 20px;
    padding-left: 12px;
    border-left-width: 4px;
    font-size: 25px;
  }
  .generation-heads { grid-template-columns: 1fr; }
  .generation-heads article {
    min-height: 0;
    padding: 18px 16px;
    border-top: 1px solid #ddd;
    border-left: 0 !important;
  }
  .generation-heads article.is-current { border-left: 3px solid #f39800 !important; }
  .metatour-definition blockquote { font-size: 23px; }
  .technology-panel li { grid-template-columns: 1fr; gap: 6px; }
  .architecture-diagram { padding: 18px 14px; }
  .architecture-terminals { grid-template-columns: 1fr; gap: 12px; }
  .architecture-terminals > div { grid-template-columns: 1fr; }
  .architecture-terminals strong + strong {
    border-top: 1px solid #dedede;
    border-left: 0;
  }
  .architecture-body { grid-template-columns: 1fr; }
  .architecture-operations::before { display: none; }
  .architecture-stack article {
    grid-template-columns: 36px 1fr;
    gap: 8px 12px;
    padding: 16px 14px;
  }
  .architecture-stack article > div { display: block; }
  .architecture-stack p { margin-top: 6px; }
  .architecture-operations { padding: 24px 20px; }
  .page-scenic-ar-glasses .layer-stack article,
  .page-scenic-ar-glasses .layer-stack article:nth-child(even) {
    grid-template-columns: 42px 1fr;
    padding: 18px 14px;
  }
  .page-scenic-ar-glasses .layer-stack p { grid-column: 2; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-grid article { min-height: 0; padding: 24px 0; grid-template-columns: 58px 1fr; }
  .capability-icon,
  .capability-icon svg { width: 46px; height: 46px; }
  .journey-rail { grid-template-columns: 1fr; gap: 0; }
  .journey-rail li {
    min-height: 108px;
    padding: 0;
    display: grid;
    grid-template-columns: 48px 1fr;
    gap: 8px 16px;
    text-align: left;
  }
  .journey-rail li > span { width: 46px; height: 46px; margin: 0; grid-row: 1 / span 2; }
  .journey-rail p { margin: 0; }
  .story-case > div { padding: 30px 22px; }
  .story-case h3 { font-size: 28px; }
  .value-grid { grid-template-columns: 1fr; }
  .value-grid article,
  .value-grid article:nth-child(3) {
    min-height: 0;
    padding: 24px 0;
    border-top: 1px solid rgba(255,255,255,.14);
    border-right: 0;
  }
  .value-grid article:first-child { border-top: 0; }
  .value-grid h3 { margin-top: 12px; }
  .device-list article { grid-template-columns: 40px 1fr; padding: 20px 0; }
  .device-list p { grid-column: 2; }
  .cta-actions { flex-direction: column; }

  .easyar-theme .hero,
  .easyar-theme .hero-grid { min-height: 680px; }
  .easyar-theme .hero-copy { width: min(calc(100% - 28px), var(--geo-container)); min-height: 680px; padding: 24px 0; }
  .easyar-theme .hero-title-group { max-width: 100%; padding: 9px 18px 12px; }
  .easyar-theme .hero-title-group h1 { font-size: 34px; line-height: 1.2; }
  .easyar-theme .hero-panel { padding: 22px 16px; }
  .easyar-theme .hero-actions { gap: 10px; }
  .easyar-theme .hero-media img { object-position: 55% center; }
  .easyar-theme.page-easyar-ar-glasses-cases .hero,
  .easyar-theme.page-easyar-ar-glasses-cases .hero-grid { min-height: 380px; }
  .easyar-theme.page-easyar-ar-glasses-cases .hero-grid { width: min(calc(100% - 28px), var(--geo-container)); }
  .easyar-theme.page-easyar-ar-glasses-cases .hero-copy { min-height: 0; padding: 44px 0; }
  .easyar-theme.page-easyar-ar-glasses-cases .hero-panel { padding: 0; }

  .section { padding: 64px 0; }
  .section-heading h2 { font-size: 30px; }
  .section-heading p { font-size: 15px; }
  .lifecycle { grid-template-columns: 1fr; }
  .lifecycle li {
    padding: 0;
    display: grid;
    grid-template-columns: 48px 1fr;
    gap: 16px;
    text-align: left;
  }
  .lifecycle li > span { width: 46px; height: 46px; margin: 0; }
  .easyar-theme .lifecycle li > span { box-shadow: 0 0 0 5px #f1faff; }
  .lifecycle p { margin-top: 6px; }
  .layer-stack article { padding: 19px; }
  .steps { grid-template-columns: 1fr; }
  .steps li::after { display: none !important; }
  .case-item { grid-template-columns: 1fr; }
  .case-index,
  .case-item dl,
  .case-item > a { grid-column: 1; }
  .case-index { padding-bottom: 8px; border-bottom: 2px solid var(--geo-brand); }
  .easyar-theme .case-item { padding: 22px; grid-template-columns: 34px 1fr; }
  .easyar-theme .case-index { padding: 0; border-bottom: 0; }
  .faq-list summary { min-height: 66px; padding: 0 17px; font-size: 15px; }
  .faq-list details > div { padding: 0 48px 20px 17px; }
  .related-inner nav { grid-template-columns: 1fr; }
  .cta-band { padding: 48px 0; }
  .cta-band h2 { font-size: 30px; }
  .footer-inner { padding-top: 44px; }
  .footer-columns { grid-template-columns: 1fr 1fr; }
  .footer-links { align-items: flex-start; flex-direction: column; gap: 14px; }
  .preview-index { padding: 48px 0; }
  .preview-index main > h1 { font-size: 38px; }

  /* MetaTour mobile: preserve all content while reducing vertical travel. */
  .page-scenic-ar-glasses .hero-grid,
  .page-scenic-ar-glasses .hero-copy { min-height: 630px; }
  .page-scenic-ar-glasses .hero-copy { padding: 38px 0 26px; }
  .page-scenic-ar-glasses .hero-title-group h1 { font-size: 36px; line-height: 1.1; }
  .page-scenic-ar-glasses .hero-title-group h1::after { margin-top: 18px; }
  .page-scenic-ar-glasses .hero-panel { margin-top: 20px; }
  .page-scenic-ar-glasses .hero-panel > p:first-child { font-size: 16px; line-height: 1.65; }
  .page-scenic-ar-glasses .hero-panel .hero-note {
    margin-top: 10px;
    font-size: 13px;
    line-height: 1.6;
  }
  .page-scenic-ar-glasses .hero-actions {
    margin-top: 18px;
    flex-direction: row;
    gap: 8px;
  }
  .page-scenic-ar-glasses .hero-actions .button {
    width: auto;
    min-height: 42px;
    padding: 0 11px;
    flex: 1 1 0;
    font-size: 13px;
  }
  .hero-product {
    margin-bottom: 16px;
    padding-left: 10px;
    font-size: 22px;
  }

  .page-scenic-ar-glasses .section { padding: 44px 0; }
  .page-scenic-ar-glasses .section-heading { margin-bottom: 26px; }
  .page-scenic-ar-glasses .section-heading h2 { font-size: 27px; line-height: 1.24; }
  .page-scenic-ar-glasses .section-heading h2::after { margin-top: 14px; }
  .page-scenic-ar-glasses .section-heading p {
    margin-top: 14px;
    font-size: 14px;
    line-height: 1.65;
  }

  .page-scenic-ar-glasses .lifecycle-section { padding-top: 44px; }
  .page-scenic-ar-glasses .lifecycle {
    margin-top: 26px;
    padding: 0;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
    overflow: visible;
  }
  .page-scenic-ar-glasses .lifecycle li {
    padding: 9px 5px 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    text-align: center;
    background: #fff;
    border: 1px solid #e2e2e2;
    border-radius: 10px;
  }
  .page-scenic-ar-glasses .lifecycle li > span {
    width: 30px;
    height: 30px;
    font-size: 11px;
  }
  .page-scenic-ar-glasses .lifecycle li > div { align-items: center; }
  .page-scenic-ar-glasses .generation-pictogram {
    width: 96px;
    height: 96px;
    margin: 5px 0 7px;
  }
  .page-scenic-ar-glasses .lifecycle h3 {
    font-size: 13px;
    line-height: 1.42;
  }
  .page-scenic-ar-glasses .lifecycle p {
    margin-top: 5px;
    font-size: 10px;
    line-height: 1.45;
  }

  .page-scenic-ar-glasses .generation-heads {
    padding: 0;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 4px;
    overflow: visible;
  }
  .page-scenic-ar-glasses .generation-heads article {
    min-height: 94px;
    padding: 10px 7px;
  }
  .page-scenic-ar-glasses .generation-heads span { font-size: 11px; }
  .page-scenic-ar-glasses .generation-heads h3 {
    margin-top: 5px;
    font-size: 13px;
    line-height: 1.4;
  }
  .page-scenic-ar-glasses .generation-recommended {
    margin-top: 6px;
    gap: 3px;
    font-size: 9px !important;
  }
  .page-scenic-ar-glasses .generation-recommended svg {
    width: 13px;
    height: 13px;
  }
  .page-scenic-ar-glasses .generation-matrix { overflow: visible; }
  .page-scenic-ar-glasses .generation-matrix table {
    min-width: 0;
    display: block;
  }
  .page-scenic-ar-glasses .generation-matrix tbody {
    display: grid;
    gap: 8px;
  }
  .page-scenic-ar-glasses .generation-matrix tr {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border: 1px solid #dedede;
  }
  .page-scenic-ar-glasses .generation-matrix th {
    width: auto;
    position: static;
    grid-column: 1 / -1;
    background: #f5f5f5;
  }
  .page-scenic-ar-glasses .generation-matrix th,
  .page-scenic-ar-glasses .generation-matrix td {
    padding: 8px 7px;
    font-size: 10px;
    line-height: 1.45;
  }
  .page-scenic-ar-glasses .generation-matrix th {
    font-size: 12px;
    border-top: 0;
  }
  .page-scenic-ar-glasses .generation-matrix td {
    min-width: 0;
    border-top: 1px solid #dedede;
  }
  .page-scenic-ar-glasses .generation-matrix td::before {
    margin-bottom: 4px;
    display: block;
    color: #f39800;
    font-size: 9px;
    font-weight: 750;
  }
  .page-scenic-ar-glasses .generation-matrix td:nth-of-type(1)::before { content: "第一代"; }
  .page-scenic-ar-glasses .generation-matrix td:nth-of-type(2)::before { content: "第二代"; }
  .page-scenic-ar-glasses .generation-matrix td:nth-of-type(3)::before { content: "第三代"; }
  .page-scenic-ar-glasses .generation-matrix td.is-current {
    border-left-width: 2px;
  }
  .page-scenic-ar-glasses .generation-current-value { gap: 6px; }
  .page-scenic-ar-glasses .generation-current-value > svg {
    width: 14px;
    height: 14px;
  }

  .page-scenic-ar-glasses .definition-grid { gap: 26px; }
  .page-scenic-ar-glasses .metatour-definition .section-heading { margin-bottom: 18px; }
  .page-scenic-ar-glasses .metatour-definition blockquote {
    font-size: 19px;
    line-height: 1.65;
  }
  .page-scenic-ar-glasses .metatour-definition blockquote::before {
    height: 25px;
    font-size: 44px;
  }
  .page-scenic-ar-glasses .technology-panel { padding-top: 22px; }
  .page-scenic-ar-glasses .technology-panel h3 { font-size: 21px; }
  .page-scenic-ar-glasses .technology-panel > p {
    margin: 10px 0 14px;
    font-size: 13px;
    line-height: 1.65;
  }
  .page-scenic-ar-glasses .technology-panel ul {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    column-gap: 14px;
  }
  .page-scenic-ar-glasses .technology-panel li {
    padding: 10px 0;
    display: block;
  }
  .page-scenic-ar-glasses .technology-panel li strong {
    display: block;
    font-size: 13px;
  }
  .page-scenic-ar-glasses .technology-panel li span {
    display: block;
    margin-top: 4px;
    font-size: 11px;
    line-height: 1.5;
  }
  .page-scenic-ar-glasses .technology-panel > a { margin-top: 14px; }

  .page-scenic-ar-glasses .capability-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 12px;
  }
  .page-scenic-ar-glasses .capability-grid article {
    min-height: 0;
    padding: 17px 5px;
    display: block;
  }
  .page-scenic-ar-glasses .capability-icon,
  .page-scenic-ar-glasses .capability-icon svg { width: 38px; height: 38px; }
  .page-scenic-ar-glasses .capability-grid h3 {
    margin-top: 9px;
    font-size: 15px;
    line-height: 1.4;
  }
  .page-scenic-ar-glasses .capability-grid p {
    margin-top: 6px;
    font-size: 12px;
    line-height: 1.55;
  }

  .page-scenic-ar-glasses .journey-rail {
    margin-top: 26px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 12px;
  }
  .page-scenic-ar-glasses .journey-rail li {
    min-height: 0;
    padding: 14px 4px;
    grid-template-columns: 38px 1fr;
    gap: 4px 10px;
    border-top: 1px solid #e1e1e1;
  }
  .page-scenic-ar-glasses .journey-rail li > span {
    width: 38px;
    height: 38px;
    border-width: 4px;
  }
  .page-scenic-ar-glasses .journey-rail h3 { font-size: 14px; }
  .page-scenic-ar-glasses .journey-rail p {
    font-size: 11px;
    line-height: 1.5;
  }

  .page-scenic-ar-glasses .story-case-list {
    padding: 0;
    grid-template-columns: 1fr;
    grid-auto-flow: row;
    grid-auto-columns: auto;
    gap: 12px;
    overflow: visible;
  }
  .page-scenic-ar-glasses .story-case,
  .page-scenic-ar-glasses .story-case:nth-child(even) {
    width: auto;
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
  }
  .page-scenic-ar-glasses .story-case:nth-child(even) figure { order: 0; }
  .page-scenic-ar-glasses .story-case > div { padding: 20px 17px; }
  .page-scenic-ar-glasses .story-case h3 {
    margin-top: 8px;
    font-size: 23px;
  }
  .page-scenic-ar-glasses .story-case h3::after { margin-top: 12px; }
  .page-scenic-ar-glasses .story-case p {
    margin-top: 13px;
    font-size: 13px;
    line-height: 1.65;
  }
  .page-scenic-ar-glasses .story-case ul {
    margin-top: 13px;
    gap: 5px;
  }
  .page-scenic-ar-glasses .story-case li {
    padding-left: 14px;
    font-size: 12px;
    line-height: 1.55;
  }
  .page-scenic-ar-glasses .story-case small { margin-top: 14px; }
  .page-scenic-ar-glasses .story-case-link { margin-top: 11px; }

  .page-scenic-ar-glasses .value-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-scenic-ar-glasses .value-grid article,
  .page-scenic-ar-glasses .value-grid article:nth-child(3) {
    min-height: 0;
    padding: 17px 12px;
    border-top: 1px solid rgba(255,255,255,.14);
    border-right: 1px solid rgba(255,255,255,.14);
  }
  .page-scenic-ar-glasses .value-grid article:nth-child(-n+2) { border-top: 0; }
  .page-scenic-ar-glasses .value-grid article:nth-child(even) { border-right: 0; }
  .page-scenic-ar-glasses .value-grid h3 {
    margin-top: 8px;
    font-size: 16px;
  }
  .page-scenic-ar-glasses .value-grid p {
    margin-top: 7px;
    font-size: 11px;
    line-height: 1.55;
  }

  .page-scenic-ar-glasses .device-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-scenic-ar-glasses .device-list article {
    min-height: 0;
    padding: 15px 9px;
    display: block;
    border-right: 1px solid #dedede;
  }
  .page-scenic-ar-glasses .device-list article:nth-child(even) { border-right: 0; }
  .page-scenic-ar-glasses .device-list h3 {
    margin-top: 6px;
    font-size: 15px;
    line-height: 1.4;
  }
  .page-scenic-ar-glasses .device-list p {
    margin-top: 6px;
    font-size: 11px;
    line-height: 1.55;
  }
  .page-scenic-ar-glasses .source-link { margin-top: 15px; }

  .page-scenic-ar-glasses .faq-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
    border-radius: 0;
  }
  .page-scenic-ar-glasses .faq-list details,
  .page-scenic-ar-glasses .faq-list details + details {
    border-top: 1px solid var(--geo-line);
  }
  .page-scenic-ar-glasses .faq-list details:nth-child(odd) {
    border-right: 1px solid var(--geo-line);
  }
  .page-scenic-ar-glasses .faq-list summary {
    min-height: 72px;
    padding: 10px 11px;
    gap: 6px;
    align-items: center;
    font-size: 12px;
    line-height: 1.45;
  }
  .page-scenic-ar-glasses .faq-list summary svg {
    width: 16px;
    flex-basis: 16px;
  }
  .page-scenic-ar-glasses .faq-list details > div {
    padding: 0 11px 14px;
  }
  .page-scenic-ar-glasses .faq-list details p {
    font-size: 12px;
    line-height: 1.65;
  }

  .page-scenic-ar-glasses + .related-section,
  .page-scenic-ar-glasses .related-section { padding: 30px 0 38px; }
  .page-scenic-ar-glasses .cta-band { padding: 36px 0; }
  .page-scenic-ar-glasses .footer-inner {
    padding: 32px 0 20px;
    gap: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}