:root {
  --ink: #171717;
  --muted: #646a70;
  --line: #d8dde1;
  --paper: #ffffff;
  --mist: #f4f6f7;
  --panel: #e8ecef;
  --charcoal: #111416;
  --blue: #2877b8;
  --gold: #b4945b;
  --green: #5d7d6a;
  --shadow: 0 22px 55px rgba(0, 0, 0, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Arial, Verdana, "Hiragino Sans GB" , sans-serif;
  overflow-x: hidden;
}

body.nav-open {
  overflow: hidden;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: transparent;
  pointer-events: none;
}

.global-bar,
.product-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 58px;
  padding: 0 clamp(18px, 4vw, 35px);
  pointer-events: auto;
}

.global-bar {
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(16px);
  transition: opacity 220ms ease, transform 220ms ease;
}

.brand {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  font-weight: 800;
}

.brand-logo {
  display: block;
  width: 132px;
  height: auto;
}

.global-nav,
.product-nav {
  display: flex;
  align-items: center;
  gap: clamp(20px, 2.6vw, 38px);
  font-size: 14px;
  white-space: nowrap;
}

.global-nav a,
.product-nav a,
.has-submenu > a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  color: #24282c;
}

.global-nav a::after,
.product-nav a::after,
.has-submenu > a::after {
  position: absolute;
  right: 0;
  bottom: 7px;
  left: 0;
  height: 2px;
  background: currentColor;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.global-nav a:hover::after,
.global-nav a.is-active::after,
.product-nav a:hover::after,
.product-nav a.is-active::after,
.has-submenu:hover > a::after,
.has-submenu.is-active > a::after {
  transform: scaleX(1);
  transform-origin: left;
}

.product-bar {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 120;
  min-height: 46px;
  background: rgba(247, 248, 249, 0.98);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.08);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-110%);
  transition: opacity 220ms ease, transform 220ms ease;
  backdrop-filter: blur(16px);
}

body.product-nav-visible .global-bar {
  opacity: 0;
  transform: translateY(-110%);
}

body.product-nav-visible .product-bar {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.product-title {
  font-size: 13px;
  font-weight: 800;
}

.product-nav {
  gap: clamp(16px, 2.2vw, 32px);
  font-size: 13px;
}

.has-submenu {
  position: relative;
}

.feature-submenu {
  position: absolute;
  top: calc(100% + 1px);
  left: 50%;
  display: grid;
  min-width: 210px;
  padding: 10px 0;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 8px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.has-submenu:hover .feature-submenu,
.has-submenu:focus-within .feature-submenu {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

.feature-submenu a {
  min-height: 38px;
  padding: 0 18px;
}

.feature-page-nav {
  position: fixed;
  top: 46px;
  right: 0;
  left: 0;
  display: flex;
  justify-content: center;
  gap: clamp(16px, 3vw, 42px);
  min-height: 42px;
  padding: 0 clamp(18px, 4vw, 70px);
  background: #fff;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-110%);
  transition: opacity 220ms ease, transform 220ms ease;
  white-space: nowrap;
}

body.product-nav-visible .feature-page-nav {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.feature-page-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  color: #333;
}

.feature-page-nav a::after {
  position: absolute;
  right: 0;
  bottom: 8px;
  left: 0;
  height: 2px;
  background: currentColor;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.feature-page-nav a:hover::after,
.feature-page-nav a.is-active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.menu-toggle {
  display: none;
  position: relative;
  width: 42px;
  height: 42px;
  border: 0;
  background: transparent;
  color: inherit;
}

.menu-toggle span {
  position: absolute;
  left: 10px;
  width: 22px;
  height: 2px;
  background: currentColor;
  transition: opacity 180ms ease, top 180ms ease, transform 180ms ease;
}

.menu-toggle span:first-child {
  top: 13px;
}

.menu-toggle span:nth-child(2) {
  top: 20px;
}

.menu-toggle span:last-child {
  top: 27px;
}

.menu-toggle.is-open span:first-child {
  top: 20px;
  transform: rotate(45deg);
}

.menu-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-open span:last-child {
  top: 20px;
  transform: rotate(-45deg);
}

.hero-slider {
  position: relative;
  min-height: clamp(520px, 56vw, 820px);
  overflow: hidden;
  background: #1d2226;
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 800ms ease;
}

.slide.is-active {
  opacity: 1;
}

.slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.slide-body {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: grid;
  place-content: center;
  padding: clamp(24px, 8vw, 124px);
  color: #fff;
  text-align: center;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.45);
}

.slide-body p {
  margin: 0 0 12px;
  font-size: clamp(18px, 2.4vw, 36px);
  font-weight: 300;
}

.slide-body h1 {
  margin: 0;
  font-size: clamp(46px, 9vw, 122px);
  line-height: 0.92;
  letter-spacing: 0;
}

.slider-dots {
  position: absolute;
  right: clamp(18px, 4vw, 64px);
  bottom: 28px;
  display: flex;
  gap: 9px;
}

.slider-dots button {
  width: 34px;
  height: 3px;
  padding: 0;
  border: 0;
  background: rgba(255, 255, 255, 0.45);
  cursor: pointer;
}

.slider-dots button.is-active {
  background: #fff;
}

.lens-index-page {
  background: #fff;
  color: #111;
}

.lens-hero-slider {
  min-height: 0;
  aspect-ratio: 1680 / 772;
  background: #111;
}

.index-cinematic .lens-hero-slider {
  isolation: isolate;
}

.index-cinematic .slide {
  pointer-events: none;
}

.index-cinematic .slider-dots {
  z-index: 7;
  pointer-events: auto;
}

.cinema-lens-overlay {
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
  animation: cinema-overlay-release 1.8s ease-out both;
}

.cinema-lens-overlay::before,
.cinema-lens-overlay::after {
  position: absolute;
  right: 0;
  left: 0;
  height: 50.5%;
  background: #050505;
  content: "";
}

.cinema-lens-overlay::before {
  top: 0;
  transform-origin: top;
  animation: cinema-curtain-top 1.45s cubic-bezier(0.76, 0, 0.24, 1) 160ms both;
}

.cinema-lens-overlay::after {
  bottom: 0;
  transform-origin: bottom;
  animation: cinema-curtain-bottom 1.45s cubic-bezier(0.76, 0, 0.24, 1) 160ms both;
}

.index-cinematic .slide::after {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.42) 0%, rgba(0, 0, 0, 0.1) 48%, transparent 72%);
  content: "";
}

.index-cinematic .slide img {
  transform: scale(1.025);
}

.index-cinematic .slide.is-active img {
  animation: cinema-shot-focus 5.2s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

.lens-slide-body {
  display: block;
  inset: 0 auto auto 0;
  text-align: left;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.6);
}

.index-cinematic .slide.is-active .lens-slide-body {
  z-index: 4;
  animation: cinema-body-rise 900ms cubic-bezier(0.22, 1, 0.36, 1) 520ms both;
}

.lens-slide-body p {
  margin: 0 0 18px;
  font-size: clamp(22px, 2.3vw, 40px);
  font-weight: 800;
  line-height: 1.1;
}

.lens-slide-body h1 {
  margin: 0;
  font-size: clamp(16px, 1.35vw, 24px);
  font-weight: 800;
  line-height: 1.45;
}

.lens-index-inner {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.lens-intro {
  padding: clamp(52px, 6.8vw, 92px) 0;
  text-align: center;
}

.lens-intro h2 {
  margin: 0;
  font-size: clamp(24px, 2.2vw, 36px);
  font-weight: 800;
  line-height: 1.55;
  text-align: center;
}

.lens-intro p {
  margin: clamp(22px, 2.8vw, 36px) 0 0;
  color: #4d545a;
  font-size: clamp(14px, 1.1vw, 17px);
  line-height: 1.9;
  text-align: center;
}

.lens-feature-panels {
  display: grid;
  gap: 56px;
}

.lens-feature-panel {
  position: relative;
  display: block;
  min-height: clamp(340px, 40vw, 675px);
  overflow: hidden;
  background: #d7dadd;
}

.lens-feature-panel > img,
.lens-feature-image-pair img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s ease;
}

.lens-feature-panel:hover > img,
.lens-feature-panel:hover .lens-feature-image-pair img {
  transform: scale(1.04);
}

.lens-feature-panel-split {
  min-height: clamp(320px, 40vw, 675px);
}

.lens-feature-image-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  height: 100%;
}

.lens-feature-label {
  position: absolute;
  right: 50%;
  top: 50%;
  bottom: auto;
  left: 50%;
  display: flex;
  align-items: center;
  gap: clamp(16px, 2vw, 28px);
  width: min(581px, calc(100% - 40px));
  min-height: clamp(78px, 8vw, 118px);
  padding: 0 clamp(28px, 4.2vw, 64px);
  background: rgba(255, 255, 255, 0.62);
  color: #111;
  transform: translate(-50%, -50%);
  backdrop-filter: blur(5px);
}

.lens-feature-panel-split .lens-feature-label {
  bottom: auto;
}

.lens-feature-label strong {
  font-size: clamp(34px, 4vw, 62px);
  line-height: 1;
}

.lens-feature-label span {
  font-size: clamp(20px, 2.1vw, 34px);
  font-weight: 800;
  line-height: 1.35;
}

.lens-basic-info {
  padding: clamp(58px, 7vw, 100px) 0 clamp(72px, 9vw, 132px);
  background: #fff;
}

.lens-basic-info h2 {
  margin: 0 0 clamp(42px, 5vw, 76px);
  font-size: clamp(22px, 2vw, 30px);
  text-align: center;
}

.lens-product-visual {
  display: grid;
  place-items: center;
  padding: clamp(48px, 7vw, 88px) 20px;
  background: transparent;
}

.lens-product-visual img {
  width: min(800px, 150vw);
}

.index-cinematic .lens-feature-panel[data-cinematic-reveal] {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 900ms ease, transform 1100ms cubic-bezier(0.22, 1, 0.36, 1);
}

.index-cinematic .lens-feature-panel[data-cinematic-reveal] > img {
  filter: blur(5px) saturate(0.82);
  transform: translateX(-3.5%) scale(1.12);
  transition: filter 1200ms ease, transform 1800ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.index-cinematic .lens-feature-panel[data-cinematic-reveal]:nth-child(even) > img {
  transform: translateX(3.5%) scale(1.12);
}

.index-cinematic .lens-feature-panel[data-cinematic-reveal] .lens-feature-label {
  opacity: 0;
  transition: opacity 620ms ease 480ms, transform 760ms cubic-bezier(0.22, 1, 0.36, 1) 420ms;
  transform: translate(-50%, calc(-50% + 28px));
}

.index-cinematic [data-cinematic-reveal].is-cinematic-visible {
  opacity: 1;
  transform: translateY(0);
}

.index-cinematic .lens-feature-panel[data-cinematic-reveal].is-cinematic-visible > img {
  filter: blur(0) saturate(1);
  transform: scale(1);
}

.index-cinematic .lens-feature-panel[data-cinematic-reveal].is-cinematic-visible:hover > img {
  transform: scale(1.055);
}

.index-cinematic .lens-feature-panel[data-cinematic-reveal].is-cinematic-visible .lens-feature-label {
  opacity: 1;
  transform: translate(-50%, -50%);
}

.lens-product-trigger {
  position: relative;
  display: block;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
}

.lens-product-trigger img {
  display: block;
  transition: box-shadow 320ms ease, transform 420ms ease;
}

.lens-product-trigger > span {
  position: absolute;
  right: 16px;
  bottom: 16px;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 50%;
  background: rgba(17, 17, 17, 0.82);
  color: #fff;
  font-size: 26px;
  font-weight: 300;
  line-height: 1;
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 240ms ease, transform 240ms ease;
}

.lens-product-trigger:hover img,
.lens-product-trigger:focus-visible img {
  box-shadow: 0 24px 54px rgba(0, 0, 0, 0.18);
  transform: translateY(-5px);
}

.lens-product-trigger:focus-visible {
  outline: none;
}

.lens-product-trigger:hover > span,
.lens-product-trigger:focus-visible > span {
  opacity: 1;
  transform: scale(1);
}

.index-cinematic .lens-product-visual[data-cinematic-reveal] .lens-product-trigger {
  opacity: 0;
  filter: blur(7px);
  transform: translateY(54px) scale(0.9);
  transition: opacity 800ms ease, filter 1100ms ease, transform 1200ms cubic-bezier(0.22, 1, 0.36, 1);
}

.index-cinematic .lens-product-visual[data-cinematic-reveal].is-cinematic-visible .lens-product-trigger {
  opacity: 1;
  filter: blur(0);
  transform: translateY(0) scale(1);
}

.lens-product-lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: grid;
  padding: clamp(24px, 5vw, 72px);
  place-items: center;
  background: rgba(0, 0, 0, 0.9);
  opacity: 0;
  visibility: hidden;
  transition: opacity 300ms ease, visibility 300ms ease;
}

.lens-product-lightbox.is-open {
  opacity: 1;
  visibility: visible;
  background: #fff;
}

.lens-product-lightbox figure {
  width: min(1100px, 92vw);
  max-height: 88vh;
  margin: 0;
  transform: scale(0.94);
  transition: transform 450ms cubic-bezier(0.22, 1, 0.36, 1);
}

.lens-product-lightbox.is-open figure {
  transform: scale(1);
}

.lens-product-lightbox figure img {
  display: block;
  width: 100%;
  max-height: 88vh;
  object-fit: contain;
}

.lens-product-lightbox-close {
  position: absolute;
  top: 20px;
  right: 20px;
  z-index: 1;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.34);
  cursor: pointer;
}

.lens-product-lightbox-close span {
  position: absolute;
  top: 21px;
  left: 11px;
  width: 22px;
  height: 1px;
  background: #fff;
  transform: rotate(45deg);
}

.lens-product-lightbox-close span:last-child {
  transform: rotate(-45deg);
}

.lens-info-table {
  width: 100%;
  margin-top: clamp(62px, 7vw, 100px);
  border-collapse: collapse;
  color: #333;
  font-size: 14px;
  line-height: 1.85;
}

.lens-info-table th,
.lens-info-table td {
  padding: 28px;
  border-bottom: 1px solid #c9cdd1;
  text-align: left;
  vertical-align: top;
}

.lens-info-table th {
  width: 32%;
  color: #4f565c;
}

.lens-info-note {
  margin: 44px 0 0;
  color: #333;
  font-size: 13px;
  line-height: 1.8;
}

.lens-feature-page {
  background: #fff;
  color: #111;
}

.lens-feature-inner {
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
}

.lens-feature-section {
  padding: clamp(58px, 7vw, 96px) 0;
  border-top: 1px solid #d7dadd;
}

.lens-feature-section-first {
  border-top: 0;
}

.lens-feature-section-last {
  padding-bottom: clamp(70px, 8vw, 118px);
}

.lens-feature-title {
  margin: 0 0 clamp(48px, 5.5vw, 82px);
  font-size: clamp(30px, 3.2vw, 52px);
  font-weight: 800;
  line-height: 1.35;
  text-align: center;
}

.lens-feature-body {
  margin: 0 0 clamp(28px, 3.4vw, 46px);
  text-align: left;
}

.lens-feature-body-spaced {
  margin-top: clamp(70px, 8vw, 118px);
  margin-bottom: clamp(14px, 1.7vw, 23px);
}

.lens-feature-body h2 {
  margin: 0 0 clamp(18px, 2.1vw, 28px);
  font-size: clamp(22px, 2.1vw, 34px);
  font-weight: 800;
  line-height: 1.45;
}

.lens-feature-body p {
  margin: 0;
  color: #333a40;
  font-size: clamp(14px, 1.15vw, 17px);
  line-height: 1.9;
}

.lens-feature-wide,
.lens-feature-product,
.lens-comparison-grid figure,
.lens-system-grid article {
  margin: 0;
}

.lens-feature-wide img,
.lens-feature-product img,
.lens-comparison-grid img,
.lens-system-grid img {
  width: 100%;
}

.lens-feature-wide figcaption {
  margin-top: 8px;
  color: #555d64;
  font-size: 12px;
  text-align: right;
}

.lens-feature-product {
  text-align: center;
}

.lens-feature-product img {
  width: 100%;
  max-width: 630px;
  margin: 0 auto;
}

.lens-feature-product figcaption {
  margin-top: 18px;
  color: #333a40;
  font-size: 14px;
  text-align: center;
}

.lens-system-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(26px, 4vw, 70px);
  text-align: center;
}

.lens-system-grid article {
  display: grid;
  align-content: start;
  justify-items: center;
}

.lens-system-image {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  width: 100%;
  min-height: 282px;
  margin-bottom: 22px;
}

.lens-system-grid img {
  width: min(100%, 430px);
}

.lens-system-grid h3 {
  margin: 0 0 20px;
  font-size: clamp(18px, 1.7vw, 25px);
  font-weight: 800;
  line-height: 1.35;
}

.lens-system-grid p {
  margin: 0;
  color: #333a40;
  font-size: clamp(13px, 1vw, 15px);
  line-height: 1.75;
}

.lens-system-grid strong {
  color: #111;
  font-size: clamp(15px, 1.15vw, 18px);
}

.lens-comparison-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(24px, 3vw, 40px);
}

.lens-comparison-grid figure {
  display: grid;
  align-content: start;
}

.lens-compare-title {
  margin: 0 0 14px;
  padding: 6px 12px;
  border: 1px solid #333;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.3;
  text-align: center;
}

.lens-comparison-grid p {
  margin: 10px 0 0;
  color: #333a40;
  font-size: 12px;
  line-height: 1.55;
  text-align: right;
}

.section {
  padding: clamp(58px, 8vw, 104px) clamp(18px, 5vw, 80px);
}

.section-inner {
  width: min(1080px, 100%);
  margin: 0 auto;
}

.section-title {
  margin: 0 0 28px;
  font-size: clamp(24px, 3vw, 38px);
  text-align: center;
}

.history-body {
  width: min(840px, 100%);
  margin: 0 auto 40px;
  text-align: center;
}

.history-body h2 {
  margin: 0 0 22px;
  font-size: clamp(24px, 3.4vw, 42px);
  font-weight: 500;
}

.history-body p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 2;
}

.history-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  width: min(820px, 100%);
  margin: 0 auto;
}

.history-grid img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  background: var(--mist);
}

.samples {
  background: #536674;
  color: #fff;
  overflow: hidden;
}

.samples .section-inner {
  width: min(1180px, 100%);
}

.sample-head {
  position: relative;
  display: grid;
  place-items: center;
  margin-bottom: 24px;
  min-height: 58px;
}

.sample-head h2 {
  margin: 0;
  font-size: clamp(29px, 3.9vw, 44px);
  text-align: center;
}

.sample-showcase {
  display: flex;
  align-items: stretch;
  gap: 16px;
  margin-inline: calc(clamp(18px, 5vw, 80px) * -0.25);
  padding: 4px 0 12px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}

.sample-showcase::-webkit-scrollbar {
  display: none;
}

.sample-card {
  position: relative;
  flex: 0 0 clamp(250px, 28vw, 348px);
  height: 270px;
  margin: 0;
  overflow: hidden;
  background: #1f2b33;
  box-shadow: 0 12px 34px rgba(13, 20, 24, 0.22);
  scroll-snap-align: center;
}

.sample-card-wide {
  flex-basis: clamp(360px, 45vw, 560px);
}

.sample-card-tall {
  flex-basis: clamp(220px, 23vw, 300px);
}

.sample-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 420ms ease;
}

.sample-card::after {
  position: absolute;
  inset: auto 0 0;
  height: 46%;
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.62));
  content: "";
}

.sample-card figcaption {
  position: absolute;
  right: 18px;
  bottom: 16px;
  left: 18px;
  z-index: 1;
  font-size: 16px;
  font-weight: 800;
}

.sample-card:hover img {
  transform: scale(1.045);
}

.scroll-indicator {
  display: flex;
  justify-content: center;
  margin-top: 30px;
}

.scroll-indicator-track {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  min-height: 24px;
  padding: 0 8px;
}

.scroll-indicator-dot {
  width: 42px;
  height: 4px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.35);
  cursor: pointer;
  transition: background 180ms ease, transform 180ms ease, width 180ms ease;
}

.scroll-indicator-dot.is-active {
  width: 58px;
  background: #fff;
}

.scroll-indicator-dot:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 5px;
}

.sample-track img {
  flex: 0 0 auto;
  width: min(70vw, 460px);
  height: 344px;
  object-fit: cover;
  scroll-snap-align: center;
}

.feature-links {
  padding: 18px 0;
  background: #fff;
}

.feature-card {
  position: relative;
  display: block;
  min-height: clamp(360px, 48vw, 680px);
  margin: 0 0 18px;
  overflow: hidden;
  color: #111;
}

.feature-card:last-child {
  margin-bottom: 0;
}

.feature-card img {
  width: 100%;
  height: 100%;
  min-height: inherit;
  object-fit: cover;
  transition: transform 700ms ease;
}

.feature-card::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.22), rgba(0, 0, 0, 0.12));
  content: "";
}

.feature-card:hover img {
  transform: scale(1.045);
}

.feature-card:hover .feature-body {
  transform: translateY(-6px);
  background: rgba(255, 255, 255, 0.78);
}

.feature-body {
  position: absolute;
  left: clamp(22px, 11vw, 170px);
  top: 50%;
  z-index: 2;
  width: min(430px, calc(100% - 44px));
  padding: clamp(20px, 3vw, 34px);
  background: rgba(255, 255, 255, 0.56);
  transition: transform 240ms ease, background 240ms ease;
}

.feature-body strong {
  display: block;
  margin-bottom: 10px;
  font-size: clamp(22px, 3vw, 36px);
}

.feature-body span {
  display: block;
  margin-bottom: 18px;
  font-size: clamp(15px, 2vw, 22px);
  font-weight: 700;
}

.feature-body small {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 22px;
  border-radius: 10px;
  background: #050505;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  transition: background 180ms ease, transform 180ms ease;
}

.feature-card:hover .feature-body small {
  background: #222;
  transform: translateY(-1px);
}

.colors {
  background: var(--mist);
}

.color-layout {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.color-gallery {
  display: block;
  width: 100%;
  background: #fff;
}

.color-image {
  margin: 0;
  overflow: hidden;
  background: #fff;
  animation: color-image-in 320ms ease both;
}

.color-image[hidden] {
  display: none;
}

.color-image img {
  width: 100%;
  aspect-ratio: 1500 / 456;
  object-fit: cover;
  transition: transform 1.5s ease;
}

.color-image:hover img {
  transform: scale(1.05);
}

.color-image figcaption {
  padding: 14px 18px 18px;
  color: #31363a;
  font-size: 14px;
  font-weight: 700;
  text-align: center;
}

.color-body {
  width: min(760px, 100%);
  margin: 0 auto;
  text-align: center;
}

.color-body h2,
.basic-info h2 {
  margin: 0 0 20px;
  font-size: clamp(22px, 3vw, 34px);
}

.color-body p {
  margin: 0 0 24px;
  color: var(--muted);
  line-height: 1.9;
}

.swatches {
  display: flex;
  justify-content: center;
  gap: 16px;
}

.swatch {
  display: grid;
  width: 72px;
  height: 72px;
  place-items: end center;
  padding-top: 8px;
  padding-bottom: 8px;
  border: 1px solid var(--line);
  background: #fff;
  color: #51575d;
  font-size: 12px;
  cursor: pointer;
  transition: border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
  font: inherit;
  font-size: 12px;
}

.swatch:hover,
.swatch:focus-visible,
.swatch.is-active {
  border-color: #222;
  box-shadow: 0 0 0 2px #222;
  transform: translateY(-2px);
  outline: none;
}

.swatch::before {
  display: block;
  width: 30px;
  height: 30px;
  margin-bottom: 4px;
  border-radius: 50%;
  border: 1px solid var(--line);
  content: "";
}

.swatch.silver::before {
  background: linear-gradient(135deg, #dfe4e8, #9ca4aa);
}

.swatch.black::before {
  background: #111;
}

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

.basic-info {
  background: #fff;
}

.info-box {
  width: min(760px, 100%);
  margin: 0 auto;
  text-align: center;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  color: #333;
  font-size: 14px;
}

.spec-table th,
.spec-table td {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  text-align: center;
  vertical-align: top;
}

.spec-table th {
  width: 34%;
  color: #6d7379;
  font-weight: 500;
}

.blank-page {
  min-height: 58vh;
  padding: clamp(72px, 10vw, 140px) clamp(18px, 5vw, 80px);
  background: #fff;
}

.feature-design-page {
  width: 100%;
  background: #fff;
  line-height: 0;
}

.feature-design-page img {
  display: block;
  width: min(1680px, 100%);
  height: auto;
  margin: 0 auto;
}

.feature-design-slice {
  width: 100%;
  background: #fff;
}

.pen-feature-page {
  background: #fff;
  color: #1a1a1a;
}

.pen-feature-hero {
  position: relative;
  overflow: hidden;
  background: #e8e8e8;
}

.pen-feature-hero img {
  width: 100%;
  height: auto;
}

.pen-feature-hero-body {
  position: absolute;
  bottom: 50px;
  left: clamp(24px, 11.5vw, 190px);
  width: min(480px, calc(100% - 48px));
  padding: clamp(24px, 3.1vw, 50px) clamp(26px, 4.5vw, 76px);
  background: rgba(255, 255, 255, 0.52);
}

.pen-feature-hero-body p {
  margin: 0 0 14px;
  font-size: clamp(28px, 3.3vw, 58px);
  font-weight: 800;
  line-height: 1.05;
}

.pen-feature-hero-body h1 {
  margin: 0;
  font-size: clamp(18px, 1.7vw, 29px);
  font-weight: 800;
  line-height: 1.35;
}

.pen-feature-intro {
  padding: clamp(38px, 4.7vw, 76px) clamp(20px, 5vw, 80px);
  background: #f0f0f0;
}

.pen-feature-inner {
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
}

.pen-feature-inner-narrow {
  width: min(960px, calc(100% - 40px));
}

.pen-feature-intro h1 {
  margin: 0 0 22px;
  font-size: clamp(28px, 2.7vw, 46px);
  font-weight: 800;
  line-height: 1.35;
  text-align: center;
}

.pen-feature-intro p,
.pen-feature-text p {
  margin: 0;
  color: #2e2e2e;
  font-size: clamp(14px, 1vw, 16px);
  line-height: 2;
}

.pen-feature-section {
  padding: clamp(48px, 5.6vw, 90px) clamp(20px, 5vw, 80px) 0;
}

.pen-variangle-section {
  padding-top: clamp(24px, 2.8vw, 45px);
}

.pen-feature-section-last {
  padding-bottom: clamp(54px, 7vw, 110px);
}

.pen-feature-text {
  margin-bottom: clamp(28px, 3.5vw, 52px);
}

.pen-feature-text h2 {
  margin: 0 0 18px;
  font-size: clamp(22px, 2vw, 34px);
  line-height: 1.55;
  text-align: left;
}

.pen-feature-text h3 {
  margin: 0 0 16px;
  font-size: clamp(18px, 1.5vw, 24px);
  line-height: 1.55;
  text-align: left;
}

.pen-feature-text-spaced {
  margin-top: clamp(30px, 4vw, 62px);
}

.pen-feature-large-heading {
  margin-bottom: clamp(28px, 3.8vw, 58px);
  font-size: clamp(26px, 2.6vw, 42px);
}

.pen-feature-list {
  margin-top: 28px;
  line-height: 2.1;
}

.pen-feature-reference {
  margin-top: 24px;
  padding: 16px 18px;
  background: #f3f5f6;
  color: #50575d;
  font-size: 13px;
  line-height: 1.9;
}

.pen-feature-wide-image {
  width: 100%;
  height: auto;
  margin: 0 auto;
  transition: transform 1s ease;
}

.pen-feature-image-spaced {
  margin-top: clamp(18px, 2.4vw, 36px);
}

.pen-feature-image-medium {
  width: min(1074px, 100%);
}

.pen-feature-centered-image {
  width: min(420px, 72%);
  height: auto;
  margin: clamp(28px, 4vw, 58px) auto;
  transition: transform 1s ease;
}

.pen-info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(24px, 3vw, 48px);
}

.pen-info-card {
  margin: 0;
}

.pen-info-card h3 {
  margin: 0 0 18px;
  padding: 8px 14px;
  border: 1px solid #202020;
  font-size: clamp(16px, 1.25vw, 20px);
  font-weight: 800;
  line-height: 1.35;
  text-align: center;
}

.pen-info-card p {
  min-height: 168px;
  margin: 0 0 24px;
  color: #2e2e2e;
  font-size: clamp(14px, 1vw, 16px);
  line-height: 1.9;
}

/* 父容器裁剪溢出 */
.pen-info-card,
.pen-feature-wide-image,
.pen-feature-centered-image {
  overflow: hidden;
  /* 确保容器有确定尺寸，若没有，需设置 width/height */
}

/* 图片默认填满容器，并过渡 */
.pen-info-card img,
.pen-feature-wide-image img,
.pen-feature-centered-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 1s ease;
}

/* 悬停时图片内部放大，不超出父容器 */
.pen-info-card:hover img,
.pen-feature-wide-image:hover img,
.pen-feature-centered-image:hover img {
  transform: scale(1.05);
}
.pen-info-grid-visual .pen-info-card p {
  min-height: 0;
}

.pen-captioned-image {
  margin: clamp(28px, 4vw, 58px) 0 0;
  overflow: hidden;
}

.pen-captioned-image img {
  width: 100%;
  height: auto;
  transition: transform 1s ease;
}

.pen-captioned-image:hover img {
  transform: scale(1.025);
}

.pen-captioned-image figcaption {
  margin-top: 12px;
  color: #333;
  font-size: 13px;
  line-height: 1.65;
  text-align: right;
}

.pen-digital-shift-figure figcaption {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  text-align: left;
}

.pen-digital-shift-figure figcaption span:last-child {
  text-align: right;
}

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

.pen-feature-text-center h2 {
  text-align: center;
}

.pen-scene-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 2.4vw, 32px);
  margin-top: clamp(32px, 4vw, 64px);
}

.pen-scene-grid article {
  margin: 0;
  background: #fff;
}

.pen-scene-grid img {
  width: 100%;
  aspect-ratio: 362 / 171;
  object-fit: cover;
  transition: transform 1s ease;
}

.pen-scene-grid article:hover img {
  transform: scale(1.04);
}

.pen-scene-grid h3 {
  margin: 14px 0 8px;
  font-size: 16px;
  line-height: 1.4;
}

.pen-scene-grid p {
  margin: 0;
  color: #3b4146;
  font-size: 13px;
  line-height: 1.7;
}

.pen-app-logo {
  width: min(330px, 48%);
  margin: clamp(26px, 3.6vw, 54px) 0 clamp(28px, 4vw, 62px);
}

.pen-app-logo img,
.pen-app-feature img,
.pen-app-profile img {
  width: 100%;
  height: auto;
}

.pen-app-feature {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(340px, 1fr);
  gap: clamp(34px, 4.5vw, 72px);
  align-items: center;
}

.pen-app-feature-body {
  display: grid;
  gap: clamp(28px, 3.5vw, 54px);
}

.pen-app-feature-body section {
  margin: 0;
}

.pen-app-feature-body h3,
.pen-app-profile h3 {
  margin: 0 0 18px;
  padding: 6px 16px;
  border: 1px solid #202020;
  font-size: clamp(16px, 1.4vw, 23px);
  line-height: 1.35;
  text-align: center;
}

.pen-app-feature-body p,
.pen-app-profile p {
  margin: 0;
  color: #2e2e2e;
  font-size: clamp(14px, 1vw, 16px);
  line-height: 1.9;
}

.pen-app-profile {
  margin-top: clamp(46px, 6vw, 92px);
}

.pen-app-profile img {
  margin-top: clamp(28px, 4vw, 60px);
}

.pen-feature-table {
  width: 100%;
  border-collapse: collapse;
  color: #333;
  font-size: 14px;
  line-height: 1.8;
}

.pen-feature-table th,
.pen-feature-table td {
  padding: 18px 20px;
  border: 1px solid #dfe3e6;
  vertical-align: top;
}

.pen-feature-table th {
  width: 28%;
  background: #f4f6f7;
  font-weight: 800;
  text-align: left;
}

.pen-info-grid-center {
  align-items: center;
  width: min(920px, 100%);
  margin: 0 auto;
}

.pen-info-grid-center img,
.pen-media-row img,
.pen-info-grid-caption img {
  width: 100%;
  height: auto;
  transition: transform 1s ease;
}

.pen-info-grid-center img:hover,
.pen-media-row img:hover,
.pen-info-grid-caption figure:hover img {
  transform: scale(1.05);
}

.pen-media-row {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(28px, 4vw, 62px);
  align-items: center;
}

.pen-media-row .pen-feature-text {
  margin-bottom: 0;
}

.pen-media-row-narrow {
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.75fr);
  margin-bottom: clamp(34px, 4.5vw, 70px);
}

.pen-info-grid-caption {
  margin-top: clamp(28px, 4vw, 58px);
}

.pen-info-grid-caption figure {
  margin: 0;
  overflow: hidden;
}

.pen-info-grid-caption figcaption {
  margin-bottom: 12px;
  padding: 8px 14px;
  border: 1px solid #202020;
  font-size: clamp(14px, 1vw, 16px);
  font-weight: 800;
  line-height: 1.4;
  text-align: center;
}

.pen-info-grid-caption p {
  margin: 14px 0 0;
  color: #2e2e2e;
  font-size: clamp(13px, 0.95vw, 15px);
  line-height: 1.85;
}

.pen-experience-opening-grid {
  align-items: start;
  width: min(1180px, 100%);
  margin: 0 auto;
}

.pen-experience-opening-grid figure {
  overflow: hidden;
}

.pen-experience-opening-grid img {
  width: 100%;
  height: clamp(360px, 40vw, 560px);
  object-fit: cover;
}

.pen-experience-opening-grid p,
.pen-art-grid p {
  text-align: right;
}

.pen-experience-anchor-section {
  background: #fff;
}

.pen-experience-card-nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 2.2vw, 28px);
}

.pen-experience-card-nav a {
  display: block;
  min-height: 122px;
  padding: 26px 18px 20px;
  border: 2px solid #111;
  background: #fff;
  color: #161616;
  text-align: center;
  transition: background 180ms ease, color 180ms ease;
}

.pen-experience-card-nav a:hover {
  background: #111;
  color: #fff;
}

.pen-experience-card-nav strong {
  display: inline-block;
  border-bottom: 1px solid currentColor;
  font-size: clamp(20px, 1.7vw, 28px);
  line-height: 1.35;
}

.pen-experience-card-nav span {
  display: block;
  margin-top: 22px;
  font-size: 14px;
  line-height: 1.6;
}

.pen-experience-preview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 14px;
  margin-top: 18px;
}

.pen-experience-preview-grid figure {
  margin: 0;
}

.pen-experience-preview-grid figcaption {
  margin-bottom: 8px;
  min-height: 38px;
  color: #222;
  font-size: 12px;
  line-height: 1.55;
  text-align: left;
}

.pen-experience-preview-grid img {
  width: 100%;
  aspect-ratio: 580 / 435;
  object-fit: cover;
  transition: transform 1s ease;
}

.pen-experience-preview-grid figure:hover img {
  transform: scale(1.05);
}

.pen-profile-grid {
  margin-top: clamp(28px, 4vw, 58px);
}

.pen-profile-grid figcaption,
.pen-shading-grid figcaption,
.pen-profile-library-card figcaption {
  text-align: center;
}

.pen-shading-grid p {
  text-align: left;
}

.pen-profile-library-card {
  margin: clamp(34px, 4.5vw, 70px) 0 0;
  overflow: hidden;
}

.pen-profile-library-card figcaption {
  margin-bottom: 12px;
  padding: 8px 14px;
  border: 1px solid #202020;
  font-size: clamp(14px, 1vw, 16px);
  font-weight: 800;
  line-height: 1.4;
}

.pen-profile-library-card p {
  margin: 0 0 clamp(22px, 3vw, 42px);
  color: #2e2e2e;
  font-size: clamp(13px, 0.95vw, 15px);
  line-height: 1.85;
}

.pen-profile-library-card img {
  width: 100%;
  height: auto;
  transition: transform 1s ease;
}

.pen-profile-library-card:hover img {
  transform: scale(1.025);
}

.pen-art-grid {
  align-items: start;
}

.pen-art-grid figure {
  display: flex;
  height: 100%;
  flex-direction: column;
}

.pen-depth-composite-grid p {
  text-align: right;
}

.pen-live-nd-grid {
  grid-template-columns: minmax(0, 1.42fr) minmax(0, 0.84fr);
  align-items: end;
}

.pen-live-nd-grid figure {
  display: flex;
  height: 100%;
  flex-direction: column;
  justify-content: flex-end;
}

.pen-live-nd-grid figcaption {
  text-align: right;
}

.pen-multiple-exposure-grid img {
  height: auto;
  object-fit: contain;
}

.pen-multiple-exposure-grid {
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.46fr);
  align-items: end;
}

.pen-multiple-exposure-grid figure {
  display: flex;
  height: 100%;
  flex-direction: column;
  justify-content: flex-end;
}

.pen-multiple-exposure-grid p {
  text-align: right;
}

.pen-live-comp-grid {
  align-items: end;
}

.pen-live-comp-grid figure {
  display: flex;
  height: 100%;
  flex-direction: column;
  justify-content: flex-end;
}

.pen-live-comp-grid img {
  margin-top: auto;
}

.pen-live-comp-grid figcaption,
.pen-live-comp-grid figure figcaption,
.pen-live-comp-grid p,
.pen-live-comp-grid figure p {
  text-align: right;
}

.pen-battery-grid {
  align-items: start;
}

.pen-battery-grid figure {
  background: #fff;
}

.pen-battery-grid img {
  width: min(420px, 80%);
  margin: 0 auto;
}

.pen-photo-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(24px, 3vw, 48px);
  align-items: start;
}

.pen-photo-grid figure {
  margin: 0;
  overflow: hidden;
}

.pen-photo-grid img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 1s ease;
}

.pen-photo-grid figure:hover img {
  transform: scale(1.05);
}

.pen-photo-grid figcaption {
  position: relative;
  min-height: 42px;
  padding-top: 10px;
  background: #fff;
  color: #333;
  font-size: 12px;
  line-height: 1.55;
  text-align: right;
}

.pen-feature-note {
  margin: 22px 0 0;
  color: #555;
  font-size: 12px;
  line-height: 1.7;
}

.blank-page .section-inner {
  padding: clamp(50px, 7vw, 90px) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: center;
}

.blank-page h1 {
  margin: 0;
  font-size: clamp(28px, 4vw, 46px);
  font-weight: 500;
}

.sample-page {
  background: #fff;
  color: #151515;
}

.spec-page {
  background: #f5f6f7;
  color: #151515;
}

.sample-hero {
  display: grid;
  min-height: clamp(200px, 21vw, 306px);
  place-items: center;
  padding: clamp(0px, 3vw, 39px) 20px clamp(8px, 2.8vw, 30px);
  background: #111;
  color: #fff;
  text-align: center;
}

.sample-hero p {
  margin: 0 0 14px;
  font-size: clamp(14px, 1vw, 15px);
  font-weight: 800;
  letter-spacing: 0;
}

.sample-hero h1 {
  margin: 0;
  font-size: clamp(24px, 4.45vw, 60px);
  line-height: 1;
}

.sample-page-inner {
  width: min(1240px, calc(100% - 40px));
  margin: 0 auto;
}

.spec-page-inner {
  width: min(1040px, calc(100% - 40px));
  margin: 0 auto;
}

.spec-section {
  padding: clamp(56px, 7vw, 104px) 0;
}

.lens-spec-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid #dfe3e6;
  font-size: 15px;
  line-height: 1.8;
}

.lens-spec-table th,
.lens-spec-table td {
  padding: 18px 22px;
  border-bottom: 1px solid #dfe3e6;
  vertical-align: top;
}

.lens-spec-table th {
  width: 30%;
  background: #eef1f3;
  color: #25292d;
  font-weight: 800;
  text-align: left;
}

.lens-spec-table tr:last-child th,
.lens-spec-table tr:last-child td {
  border-bottom: 0;
}

.spec-note {
  margin: 18px 0 0;
  color: #646a70;
  font-size: 13px;
}

.sample-list-section {
  padding: clamp(56px, 7vw, 104px) 0;
  background: #f5f6f7;
}

.sample-page-head {
  width: min(820px, 100%);
  margin: 0 auto clamp(34px, 4vw, 58px);
  text-align: center;
}

.sample-page-head h2 {
  margin: 0 0 16px;
  font-size: clamp(28px, 3vw, 44px);
}

.sample-page-head p {
  margin: 0;
  color: #5b6268;
  font-size: 15px;
  line-height: 1.9;
}

.sample-detail-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(18px, 2.2vw, 30px);
}

.sample-detail-card {
  background: #fff;
  border: 1px solid #e0e3e6;
}

.sample-detail-card button {
  display: block;
  width: 100%;
  aspect-ratio: 480 / 360;
  padding: 0;
  overflow: hidden;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.sample-detail-card img {
  width: 100%;
  height: 100%;
  aspect-ratio: 480 / 360;
  object-fit: cover;
  transition: transform 1s ease;
}

.sample-detail-card button:hover img {
  transform: scale(1.05);
}

.sample-detail-card-body {
  padding: 18px 18px 20px;
}

.sample-detail-card h3 {
  margin: 0 0 14px;
  font-size: 17px;
}

.sample-spec-list {
  display: grid;
  gap: 8px;
  margin: 0;
  color: #333;
  font-size: 13px;
}

.sample-spec-list div {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 10px;
  padding-top: 8px;
}

.sample-spec-list dt {
  color: #747b82;
}

.sample-spec-list dd {
  margin: 0;
}

[data-sample-lightbox-specs] div {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

[data-sample-lightbox-specs] dt {
  font-weight: 800;
  white-space: nowrap;
}

[data-sample-lightbox-specs] dt::after {
  content: "：";
}

.sample-lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: grid;
  place-items: center;
  padding: clamp(18px, 4vw, 54px);
  background: rgba(0, 0, 0, 0.78);
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease;
}

.sample-lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}

.sample-lightbox-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  width: min(1180px, 100%);
  max-height: calc(100vh - 72px);
  overflow: hidden;
  background: #fff;
}

.sample-lightbox figure {
  position: relative;
  display: grid;
  min-height: 0;
  margin: 0;
  background: #080808;
}

.sample-lightbox img {
  width: 100%;
  height: 100%;
  max-height: calc(100vh - 72px);
  object-fit: contain;
}

.sample-lightbox.is-loading img {
  opacity: 0;
}

.sample-lightbox-loader {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 14px;
  color: #fff;
  background: #080808;
}

.sample-lightbox-loader[hidden] {
  display: none;
}

.sample-lightbox-loader span {
  width: 42px;
  height: 42px;
  border: 2px solid rgba(255, 255, 255, 0.28);
  border-top-color: #fff;
  border-radius: 50%;
  animation: sample-loader-spin 820ms linear infinite;
}

.sample-lightbox-loader strong {
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

@keyframes sample-loader-spin {
  to {
    transform: rotate(360deg);
  }
}
/*
.sample-enhanced .sample-detail-card {
  opacity: 0;
  transform: translate3d(0, 44px, 0) rotate(var(--card-angle, 0deg));
  animation: sample-card-deal 1200ms cubic-bezier(0.16, 0.72, 0.2, 1) forwards;
  animation-delay: calc(var(--card-index, 0) * 128ms);
}

.sample-enhanced .sample-detail-card:nth-child(3n + 1) {
  --card-angle: -3deg;
}

.sample-enhanced .sample-detail-card:nth-child(3n + 2) {
  --card-angle: 2.2deg;
}

.sample-enhanced .sample-detail-card:nth-child(3n) {
  --card-angle: -1.2deg;
}

.sample-enhanced .sample-detail-card:nth-child(1) { --card-index: 1; }
.sample-enhanced .sample-detail-card:nth-child(2) { --card-index: 2; }
.sample-enhanced .sample-detail-card:nth-child(3) { --card-index: 3; }
.sample-enhanced .sample-detail-card:nth-child(4) { --card-index: 4; }
.sample-enhanced .sample-detail-card:nth-child(5) { --card-index: 5; }
.sample-enhanced .sample-detail-card:nth-child(6) { --card-index: 6; }
.sample-enhanced .sample-detail-card:nth-child(7) { --card-index: 7; }
.sample-enhanced .sample-detail-card:nth-child(8) { --card-index: 8; }
.sample-enhanced .sample-detail-card:nth-child(9) { --card-index: 9; }
.sample-enhanced .sample-detail-card:nth-child(10) { --card-index: 10; }
.sample-enhanced .sample-detail-card:nth-child(11) { --card-index: 11; }
.sample-enhanced .sample-detail-card:nth-child(12) { --card-index: 12; }
.sample-enhanced .sample-detail-card:nth-child(13) { --card-index: 13; }
.sample-enhanced .sample-detail-card:nth-child(14) { --card-index: 14; }

.sample-enhanced .sample-detail-card button {
  box-shadow: 0 18px 34px rgba(0, 0, 0, 0.13);
  transition: box-shadow 240ms ease, transform 240ms ease;
}

.sample-enhanced .sample-detail-card button:hover {
  box-shadow: 0 26px 48px rgba(0, 0, 0, 0.18);
  transform: translateY(-5px);
}
*/

@keyframes sample-card-deal {
  0% {
    opacity: 0;
    transform: translate3d(-32px, 64px, 0) rotate(calc(var(--card-angle, 0deg) * 2.5)) scale(0.92);
  }
  70% {
    opacity: 1;
  }
  100% {
    opacity: 1;
    transform: translate3d(0, 0, 0) rotate(0deg) scale(1);
  }
}

@keyframes cinema-curtain-top {
  0%, 18% { transform: scaleY(1); }
  100% { transform: scaleY(0); }
}

@keyframes cinema-curtain-bottom {
  0%, 18% { transform: scaleY(1); }
  100% { transform: scaleY(0); }
}

@keyframes cinema-overlay-release {
  0%, 92% { visibility: visible; }
  100% { visibility: hidden; }
}

@keyframes cinema-shot-focus {
  0% {
    filter: blur(7px) brightness(0.7);
    transform: scale(1.09);
  }
  18% {
    filter: blur(0) brightness(0.92);
  }
  100% {
    filter: blur(0) brightness(1);
    transform: scale(1.025);
  }
}

@keyframes cinema-body-rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .sample-enhanced .sample-detail-card,
  .index-cinematic .slide img,
  .index-cinematic .lens-slide-body,
  .index-cinematic .lens-feature-panel[data-cinematic-reveal],
  .index-cinematic .lens-feature-panel[data-cinematic-reveal] > img,
  .index-cinematic .lens-feature-panel[data-cinematic-reveal] .lens-feature-label,
  .index-cinematic .lens-product-visual[data-cinematic-reveal] .lens-product-trigger,
  .cinema-lens-overlay,
  .cinema-lens-overlay::before,
  .cinema-lens-overlay::after {
    animation: none;
    transition: none;
  }

  .cinema-lens-overlay {
    display: none;
  }

  .index-cinematic .lens-feature-panel[data-cinematic-reveal],
  .index-cinematic .lens-feature-panel[data-cinematic-reveal] > img,
  .index-cinematic .lens-feature-panel[data-cinematic-reveal] .lens-feature-label,
  .index-cinematic .lens-product-visual[data-cinematic-reveal] .lens-product-trigger {
    opacity: 1;
    filter: none;
    transform: none;
  }

  .index-cinematic .lens-feature-panel[data-cinematic-reveal] .lens-feature-label {
    transform: translate(-50%, -50%);
  }
}

.sample-lightbox-body {
  overflow-y: auto;
  padding: clamp(26px, 4vw, 46px);
}

.sample-lightbox-body p {
  margin: 0 0 10px;
  color: #687078;
  font-size: 12px;
  font-weight: 800;
}

.sample-lightbox-body h2 {
  margin: 0 0 24px;
  font-size: clamp(24px, 2.6vw, 34px);
}

.sample-lightbox-close {
  position: absolute;
  top: 18px;
  right: 18px;
  z-index: 2;
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.94);
  cursor: pointer;
}

.sample-lightbox-close::before,
.sample-lightbox-close::after {
  position: absolute;
  top: 20px;
  left: 11px;
  width: 20px;
  height: 2px;
  background: #111;
  content: "";
}

.sample-lightbox-close::before {
  transform: rotate(45deg);
}

.sample-lightbox-close::after {
  transform: rotate(-45deg);
}

.site-footer {
  background: #050505;
  color: #fff;
}

.footer-inner {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
  padding: 32px 0 26px;
}

.footer-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 30px;
  padding: 34px 0;
}

.footer-columns section {
  display: grid;
  gap: 11px;
}

.footer-columns h2 {
  margin: 0 0 6px;
  color: #fff;
  font-size: 14px;
}

.footer-columns a,
.footer-bottom {
  color: rgba(255, 255, 255, 0.7);
  font-size: 12px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 560ms ease, transform 560ms ease;
}

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

@media (max-width: 900px) {
  .global-bar {
    min-height: 58px;
  }

  .menu-toggle {
    display: block;
  }

  .global-nav {
    position: fixed;
    top: 58px;
    right: 0;
    left: 0;
    display: grid;
    gap: 0;
    padding: 10px 22px 24px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity 180ms ease, transform 180ms ease;
  }

  .global-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .global-nav a {
    min-height: 48px;
  }

  .product-bar {
    display: block;
    min-height: 86px;
    padding: 10px 18px 0;
  }

  .product-title {
    display: block;
    padding-bottom: 8px;
  }

  .product-nav {
    align-items: stretch;
    gap: 20px;
    overflow-x: auto;
    padding-bottom: 9px;
    scrollbar-width: none;
  }

  .product-nav::-webkit-scrollbar {
    display: none;
  }

  .feature-submenu {
    display: none;
  }

  .feature-page-nav {
    top: 86px;
    justify-content: flex-start;
    gap: 24px;
    overflow-x: auto;
    padding-bottom: 0;
    scrollbar-width: none;
  }

  .feature-page-nav::-webkit-scrollbar {
    display: none;
  }

  .history-grid,
  .color-layout,
  .info-box {
    grid-template-columns: 1fr;
  }

  .sample-head {
    align-items: start;
  }

  .sample-showcase {
    gap: 0;
    margin-inline: 0;
    padding-inline: 0;
    scroll-snap-type: x mandatory;
  }

  .sample-card,
  .sample-card-wide,
  .sample-card-tall {
    flex: 0 0 100%;
    height: 260px;
    scroll-snap-align: start;
  }

  .scroll-indicator-track {
    gap: 8px;
  }

  .scroll-indicator-dot {
    width: 30px;
  }

  .scroll-indicator-dot.is-active {
    width: 42px;
  }

  .pen-feature-hero-body {
    bottom: 36px;
    left: 24px;
    padding: 22px 24px;
  }

  .pen-photo-grid {
    grid-template-columns: 1fr;
  }

  .pen-info-grid {
    grid-template-columns: 1fr;
  }

  .pen-info-grid-3,
  .pen-scene-grid,
  .pen-app-feature,
  .pen-experience-card-nav {
    grid-template-columns: 1fr;
  }

  .pen-info-card p {
    min-height: 0;
  }

  .pen-multiple-exposure-grid img {
    height: auto;
  }

  .pen-multiple-exposure-grid {
    grid-template-columns: 1fr;
  }

  .pen-live-nd-grid {
    grid-template-columns: 1fr;
  }

  .pen-media-row,
  .pen-media-row-narrow {
    grid-template-columns: 1fr;
  }

  .lens-slide-body {
    width: min(520px, calc(100% - 36px));
    padding: 28px 18px 0;
  }

  .lens-feature-image-pair {
    grid-template-columns: 1fr;
  }

  .lens-feature-image-pair img {
    height: 50%;
  }

  .lens-feature-label {
    top: 50%;
    bottom: auto;
    flex-wrap: wrap;
    min-height: 78px;
    padding: 16px 22px;
  }

  .lens-info-table th,
  .lens-info-table td {
    padding: 22px 18px;
  }

  .lens-system-grid,
  .lens-comparison-grid {
    grid-template-columns: 1fr;
  }

  .lens-feature-product img {
    width: min(630px, 100%);
  }

  .sample-detail-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sample-lightbox-panel {
    grid-template-columns: 1fr;
    overflow-y: auto;
  }

  .sample-lightbox-body {
    display: none;
  }

  .sample-lightbox img {
    max-height: calc(100vh - 72px);
  }
}

@media (max-width: 600px) {
  .hero-slider {
    min-height: 0;
    aspect-ratio: 1680 / 940;
  }

  .slide-body {
    padding: 20px;
  }

  .slide-body p {
    margin: 0;
  }

  .slide-body h1 {
    display: none;
  }

  .lens-hero-slider {
    aspect-ratio: 1680 / 940;
  }

  .lens-slide-body h1 {
    display: block;
  }

  .lens-slide-body p {
    font-size: 18px;
  }

  .lens-slide-body h1 {
    font-size: 13px;
  }

  .lens-intro h2 br,
  .lens-intro p br {
    display: none;
  }

  .lens-feature-panels {
    gap: 28px;
  }

  .lens-feature-panel,
  .lens-feature-panel-split {
    min-height: 380px;
  }

  .lens-feature-label {
    align-items: center;
    gap: 14px;
  }

  .lens-feature-label strong {
    font-size: 30px;
  }

  .lens-feature-label span {
    font-size: 18px;
  }

  .lens-info-table,
  .lens-info-table tbody,
  .lens-info-table tr,
  .lens-info-table th,
  .lens-info-table td {
    display: block;
    width: 100%;
  }

  .lens-info-table th {
    border-bottom: 0;
    padding-bottom: 6px;
  }

  .lens-info-table td {
    padding-top: 0;
  }

  .lens-feature-inner {
    width: calc(100% - 24px);
  }

  .lens-feature-title {
    margin-bottom: 36px;
    font-size: 26px;
  }

  .lens-feature-body h2 {
    font-size: 21px;
  }

  .lens-feature-body p br {
    display: none;
  }

  .lens-feature-section {
    padding: 48px 0;
  }

  .lens-feature-body-spaced {
    margin-top: 58px;
  }

  .lens-system-grid {
    gap: 42px;
  }

  .lens-system-image {
    min-height: 0;
  }

  .lens-compare-title {
    font-size: 14px;
  }

  .section {
    padding-block: 54px;
  }

  .history-grid {
    gap: 12px;
  }

  .feature-card {
    min-height: 390px;
  }

  .feature-body {
    left: 18px;
    top: auto;
    bottom: 28px;
  }

  .pen-feature-hero-body {
    bottom: 22px;
    left: 18px;
    width: calc(100% - 36px);
  }

  .pen-feature-inner,
  .pen-feature-inner-narrow {
    width: 100%;
  }

  .pen-feature-intro,
  .pen-feature-section {
    padding-right: 18px;
    padding-left: 18px;
  }

  .sample-page-inner {
    width: calc(100% - 24px);
  }

  .spec-page-inner {
    width: calc(100% - 24px);
  }

  .lens-spec-table,
  .lens-spec-table tbody,
  .lens-spec-table tr,
  .lens-spec-table th,
  .lens-spec-table td {
    display: block;
    width: 100%;
  }

  .lens-spec-table th {
    border-bottom: 0;
  }

  .lens-spec-table td {
    padding-top: 0;
  }

  .sample-detail-list {
    grid-template-columns: 1fr;
  }

  .pen-feature-table,
  .pen-feature-table tbody,
  .pen-feature-table tr,
  .pen-feature-table th,
  .pen-feature-table td {
    display: block;
    width: 100%;
  }

  .pen-feature-table th {
    border-bottom: 0;
  }

  .pen-app-logo {
    width: min(330px, 78%);
  }

  .pen-experience-opening-grid img {
    height: auto;
    object-fit: contain;
  }

  .pen-experience-preview-grid figcaption {
    min-height: 0;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}