:root {
  --ink: #0d1c2b;
  --ink-2: #172b3e;
  --ink-3: #53616d;
  --paper: #f8f7f3;
  --mist: #edf0f1;
  --line: #d6dbdf;
  --white: #ffffff;
  --red: #d8422f;
  --red-dark: #b73020;
  --steel: #9ba7b1;
  --container: 1240px;
  --header-height: 82px;
  --title-primary: clamp(2.65rem, 4.35vw, 3.75rem);
  --title-section: clamp(2rem, 2.5vw, 2.25rem);
  --title-product: clamp(1.5rem, 2.4vw, 1.875rem);
  --title-card: 1.375rem;
  --title-card-large: 1.625rem;
  --title-font: "SimHei", "Heiti SC", "Microsoft YaHei", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow: 0 24px 70px rgba(13, 28, 43, 0.12);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
  margin: 0;
  overflow-x: clip;
  color: var(--ink);
  background: var(--paper);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif;
  font-size: 17px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.nav-open {
  overflow: hidden;
}

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

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

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

button {
  cursor: pointer;
}

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

h1,
h2,
h3 {
  font-family: var(--title-font);
  text-wrap: balance;
}

h1,
h2 {
  font-weight: 650;
  letter-spacing: -0.055em;
  line-height: 1.06;
}

h2 {
  margin-bottom: 0;
  font-size: var(--title-section);
  line-height: 1.12;
}

h3 {
  font-weight: 650;
  letter-spacing: -0.025em;
  font-size: var(--title-card);
}

::selection {
  color: var(--white);
  background: var(--red);
}

:focus-visible {
  outline: 3px solid #f36a57;
  outline-offset: 4px;
}

.container {
  width: min(calc(100% - 64px), var(--container));
  margin-inline: auto;
}

.section-pad {
  padding-block: clamp(92px, 10vw, 154px);
}

.section-light {
  background: var(--mist);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  color: var(--white);
  background: var(--red);
  transform: translateY(-160%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 26px;
  color: var(--red);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.2em;
  line-height: 1;
  text-transform: uppercase;
}

.eyebrow > span {
  width: 28px;
  height: 1px;
  background: currentColor;
}

.eyebrow-light {
  color: rgba(255, 255, 255, 0.76);
}

.button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  gap: 22px;
  padding: 13px 24px;
  border: 1px solid transparent;
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1.35;
  transition:
    color 220ms ease,
    background 220ms ease,
    border-color 220ms ease,
    transform 220ms var(--ease);
}

.button:hover {
  transform: translateY(-2px);
}

.button-red {
  color: var(--white);
  background: var(--red);
}

.button-red:hover {
  background: var(--red-dark);
}

.button-small {
  min-height: 42px;
  padding: 9px 18px;
  font-size: 0.76rem;
}

.button-outline {
  border-color: rgba(13, 28, 43, 0.3);
}

.button-outline:hover {
  color: var(--white);
  background: var(--ink);
  border-color: var(--ink);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 5px;
  border-bottom: 1px solid currentColor;
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  transition: color 180ms ease;
}

.text-link:hover {
  color: var(--red);
}

.text-link span {
  font-size: 1rem;
  transition: transform 180ms var(--ease);
}

.text-link:hover span {
  transform: translate(2px, -2px);
}

.text-link-light {
  color: rgba(255, 255, 255, 0.84);
}

/* Header */
.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  right: 0;
  left: 0;
  height: var(--header-height);
  color: var(--white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.13);
  background: linear-gradient(180deg, rgba(6, 15, 24, 0.92), rgba(6, 15, 24, 0.52));
  transition:
    height 260ms var(--ease),
    background 260ms ease,
    box-shadow 260ms ease;
}

.site-header.is-scrolled {
  height: 72px;
  background: rgba(8, 20, 31, 0.96);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.16);
  backdrop-filter: blur(16px);
}

.header-inner {
  display: flex;
  height: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 13px;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  place-items: center;
  color: var(--red);
}

.brand-mark svg {
  width: 100%;
  height: 100%;
  fill: currentColor;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-copy strong {
  font-size: 1.04rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.brand-copy small {
  margin-top: 5px;
  color: rgba(255, 255, 255, 0.55);
  font-family: Arial, sans-serif;
  font-size: 0.47rem;
  font-weight: 600;
  letter-spacing: 0.15em;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: clamp(22px, 2.45vw, 40px);
  margin-left: auto;
}

.primary-nav a {
  position: relative;
  padding-block: 10px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.05em;
  transition: color 180ms ease;
}

.primary-nav a::after {
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--red);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 220ms var(--ease);
}

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

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

.header-actions {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 20px;
}

.header-phone {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.header-phone span {
  color: rgba(255, 255, 255, 0.44);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
}

.header-phone strong {
  margin-top: 3px;
  font-family: Arial, sans-serif;
  font-size: 0.77rem;
  letter-spacing: 0.04em;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 11px 9px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: transparent;
}

.menu-toggle > span:not(.sr-only) {
  display: block;
  width: 100%;
  height: 1px;
  margin-block: 5px;
  background: var(--white);
  transition: transform 220ms ease, opacity 220ms ease;
}

/* Hero */
.hero {
  position: relative;
  height: 800px;
  min-height: 800px;
  overflow: hidden;
  color: var(--white);
  background: #07131e;
}

.hero-slides,
.hero-slide {
  position: absolute;
  inset: 0;
}

.hero-slide {
  visibility: hidden;
  opacity: 0;
  transition: visibility 0s linear 700ms, opacity 700ms ease;
}

.hero-slide.is-active {
  visibility: visible;
  opacity: 1;
  transition-delay: 0s;
}

.hero-slide > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  background: #07131e;
  transform: none;
}

.hero-slide.is-active > img {
  transform: none;
}

.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(5, 14, 22, 0.91) 0%, rgba(5, 14, 22, 0.55) 50%, rgba(5, 14, 22, 0.22) 100%),
    linear-gradient(0deg, rgba(5, 14, 22, 0.72) 0%, transparent 45%);
}

.hero-content {
  position: relative;
  display: flex;
  height: 800px;
  min-height: 800px;
  align-items: center;
  padding-top: calc(var(--header-height) + 18px);
  padding-bottom: 64px;
}

.hero-copy {
  width: min(790px, 74%);
}

.hero-copy h1 {
  max-width: 850px;
  margin-bottom: 20px;
  font-size: var(--title-primary);
  font-weight: 600;
  letter-spacing: -0.075em;
  line-height: 0.98;
}

.hero-copy h1 em {
  color: #f05943;
  font-style: normal;
}

.hero-description {
  max-width: 620px;
  margin-bottom: 24px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 1.0625rem;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 34px;
}

.hero-facts {
  display: flex;
  gap: 0;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.hero-facts li {
  display: flex;
  min-width: 164px;
  flex-direction: column;
  padding: 0 34px;
  border-left: 1px solid rgba(255, 255, 255, 0.18);
}

.hero-facts li:first-child {
  padding-left: 0;
  border-left: 0;
}

.hero-facts strong {
  font-family: Arial, sans-serif;
  font-size: 1.42rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.hero-facts span {
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.48);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
}

.hero-side-label {
  position: absolute;
  right: max(20px, calc((100vw - var(--container)) / 2 - 52px));
  bottom: 122px;
  display: flex;
  gap: 18px;
  writing-mode: vertical-rl;
}

.hero-side-label span {
  color: rgba(255, 255, 255, 0.22);
  font-family: Arial, sans-serif;
  font-size: 0.59rem;
  letter-spacing: 0.34em;
}

.hero-controls {
  position: absolute;
  z-index: 3;
  right: 0;
  bottom: 20px;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.hero-progress {
  display: flex;
  align-items: center;
  gap: 13px;
  color: rgba(255, 255, 255, 0.42);
  font-family: Arial, sans-serif;
  font-size: 0.66rem;
  letter-spacing: 0.08em;
}

.hero-progress .hero-current {
  color: var(--white);
}

.hero-progress-line {
  position: relative;
  width: 100px;
  height: 1px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.22);
}

.hero-progress-line i {
  position: absolute;
  inset: 0;
  background: var(--red);
  transform: scaleX(0.5);
  transform-origin: left;
  transition: transform 500ms var(--ease);
}

.hero-arrows {
  display: flex;
  gap: 8px;
}

.hero-arrows button,
.hero-dots button {
  border: 0;
}

.hero-arrows button {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(8, 19, 28, 0.28);
  font-size: 1.05rem;
  transition: background 180ms ease, border-color 180ms ease;
}

.hero-arrows button:hover {
  border-color: var(--red);
  background: var(--red);
}

.hero-dots {
  display: flex;
  gap: 9px;
}

.hero-dots button {
  width: 24px;
  height: 3px;
  padding: 0;
  background: rgba(255, 255, 255, 0.25);
  transition: width 250ms var(--ease), background 200ms ease;
}

.hero-dots button.is-active {
  width: 52px;
  background: var(--red);
}

/* Homepage capability introduction */
.capability-intro {
  background: var(--paper);
  text-align: center;
}

.capability-heading {
  margin-bottom: clamp(38px, 5vw, 58px);
}

.capability-heading-centered {
  max-width: 760px;
  margin-inline: auto;
}

.capability-heading-centered .eyebrow {
  justify-content: center;
  margin-bottom: 17px;
}

.capability-heading-centered h2 {
  margin-bottom: 15px;
  font-size: var(--title-section);
}

.capability-heading-centered > p:last-child {
  max-width: 680px;
  margin: 0 auto;
  color: var(--ink-3);
  font-size: 1rem;
  line-height: 1.8;
}

.capability-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.capability-card {
  border: 1px solid rgba(13, 28, 43, 0.09);
  background: var(--white);
}

.home-capability-card {
  display: flex;
  min-height: 270px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px;
  border-radius: 12px;
  box-shadow: 0 18px 42px rgba(13, 28, 43, 0.06);
}

.capability-icon {
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  color: var(--red);
  border-radius: 50%;
  background: rgba(216, 66, 47, 0.09);
}

.capability-icon svg {
  width: 28px;
  height: 28px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
}

.home-capability-card .capability-icon {
  margin-bottom: 22px;
}

.home-capability-card h3 {
  margin-bottom: 10px;
  font-size: var(--title-card);
}

.home-capability-card p {
  max-width: 300px;
  margin: 0;
  color: var(--ink-3);
  font-size: 1rem;
  line-height: 1.75;
}

/* Shared section heading */
.section-heading {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 80px;
  align-items: end;
  margin-bottom: clamp(54px, 6vw, 82px);
}

.section-heading .eyebrow {
  margin-bottom: 25px;
}

.section-intro {
  max-width: 470px;
  margin: 0 0 7px auto;
  color: var(--ink-3);
  font-size: 1.0625rem;
  line-height: 1.85;
}

/* Strengths */
.strength-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid #cdd4d8;
  border-left: 1px solid #cdd4d8;
}

.strength-card {
  position: relative;
  min-height: 365px;
  padding: clamp(30px, 4vw, 54px);
  overflow: hidden;
  border-right: 1px solid #cdd4d8;
  border-bottom: 1px solid #cdd4d8;
  background: rgba(255, 255, 255, 0.34);
  transition:
    color 260ms ease,
    background 260ms ease,
    transform 300ms var(--ease);
}

.strength-card:hover {
  color: var(--white);
  background: var(--ink);
}

.strength-card.strength-featured {
  color: var(--white);
  background: var(--ink);
}

.strength-card.strength-featured::after {
  position: absolute;
  right: -125px;
  bottom: -215px;
  width: 390px;
  height: 390px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  content: "";
  box-shadow:
    0 0 0 48px rgba(255, 255, 255, 0.025),
    0 0 0 96px rgba(255, 255, 255, 0.018);
}

.card-number {
  position: absolute;
  top: 26px;
  right: 30px;
  color: currentColor;
  font-family: Arial, sans-serif;
  font-size: 0.62rem;
  opacity: 0.38;
}

.line-icon {
  width: 56px;
  height: 56px;
  margin-bottom: 48px;
  color: var(--red);
}

.line-icon svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-linecap: square;
  stroke-width: 1.3;
}

.strength-card h3 {
  margin-bottom: 15px;
  font-size: var(--title-card);
}

.strength-card p {
  max-width: 440px;
  margin-bottom: 30px;
  color: var(--ink-3);
  font-size: 1rem;
  line-height: 1.78;
  transition: color 220ms ease;
}

.strength-card:hover p,
.strength-featured p {
  color: rgba(255, 255, 255, 0.58);
}

.card-en {
  color: currentColor;
  font-family: Arial, sans-serif;
  font-size: 0.55rem;
  letter-spacing: 0.2em;
  opacity: 0.32;
}

/* Products */
.products {
  background: var(--paper);
}

.products-heading {
  margin-bottom: 46px;
}

.products-side {
  max-width: 430px;
  margin-left: auto;
}

.products-side p {
  margin-bottom: 20px;
  color: var(--ink-3);
  font-size: 1rem;
  line-height: 1.8;
}

.product-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 32px;
  padding-bottom: 25px;
  border-bottom: 1px solid var(--line);
}

.product-filters button {
  padding: 9px 17px;
  color: var(--ink-3);
  border: 1px solid transparent;
  background: transparent;
  font-size: 16px;
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}

.product-filters button:hover {
  color: var(--ink);
  border-color: var(--line);
}

.product-filters button.is-active {
  color: var(--white);
  background: var(--ink);
  border-color: var(--ink);
}

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

.product-card {
  position: relative;
  min-height: 460px;
  overflow: hidden;
  background: var(--white);
  transition: box-shadow 300ms var(--ease), transform 300ms var(--ease);
}

.product-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-5px);
}

.product-card.product-card-wide {
  grid-column: auto;
}

.product-image {
  position: relative;
  display: block;
  height: 268px;
  overflow: hidden;
  background: #e2e5e7;
}

.product-image::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(0deg, rgba(7, 19, 30, 0.1), transparent 55%);
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 650ms var(--ease);
}

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

.product-index {
  position: absolute;
  z-index: 1;
  right: 18px;
  bottom: 12px;
  color: rgba(255, 255, 255, 0.64);
  font-family: Arial, sans-serif;
  font-size: 0.65rem;
}

.product-content {
  position: relative;
  min-height: 192px;
  padding: 26px 64px 28px 28px;
}

.product-category {
  display: block;
  margin-bottom: 12px;
  color: var(--red);
  font-family: Arial, sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.product-content h3 {
  margin-bottom: 10px;
  font-size: var(--title-card);
}

.product-content p {
  margin-bottom: 0;
  color: var(--ink-3);
  font-size: 1rem;
  line-height: 1.72;
}

.product-arrow {
  position: absolute;
  right: 24px;
  bottom: 28px;
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: var(--ink);
  border: 1px solid var(--line);
  transition: color 200ms ease, background 200ms ease, border-color 200ms ease;
}

.product-card:hover .product-arrow {
  color: var(--white);
  background: var(--red);
  border-color: var(--red);
}

.product-card.is-filtered-out {
  display: none;
}

/* Applications */
.applications {
  background: var(--paper);
}

.application-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.application-grid article {
  position: relative;
  display: flex;
  min-height: 190px;
  flex-direction: column;
  justify-content: flex-end;
  padding: 30px;
  overflow: hidden;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  transition:
    color 260ms ease,
    background 260ms ease;
}

.application-grid article::before {
  position: absolute;
  top: 38px;
  right: 34px;
  width: 40px;
  height: 40px;
  border: 1px solid currentColor;
  border-radius: 50%;
  content: "";
  opacity: 0.14;
  transition: transform 450ms var(--ease);
}

.application-grid article:hover {
  color: var(--white);
  background: var(--ink);
}

.application-grid article:hover::before {
  transform: scale(2.2);
}

.application-grid article > span {
  position: absolute;
  top: 28px;
  left: 30px;
  color: var(--red);
  font-family: Arial, sans-serif;
  font-size: 0.59rem;
}

.application-grid h3 {
  margin-bottom: 5px;
  font-size: var(--title-card);
}

.application-grid small {
  color: currentColor;
  font-family: Arial, sans-serif;
  font-size: 0.54rem;
  letter-spacing: 0.18em;
  opacity: 0.38;
}

/* About */
.about {
  overflow: hidden;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.03fr 0.97fr;
  gap: clamp(54px, 7.5vw, 116px);
  align-items: center;
}

.about-media {
  position: relative;
  min-height: 0;
  aspect-ratio: 700 / 450;
}

.about-media::before {
  position: absolute;
  top: -28px;
  right: -28px;
  width: 62%;
  height: 66%;
  border: 1px solid rgba(13, 28, 43, 0.16);
  content: "";
}

.about-media img {
  position: absolute;
  z-index: 1;
  inset: 0;
  width: 100%;
  height: 100%;
  background: var(--paper);
  object-fit: contain;
}

.about-year {
  position: absolute;
  z-index: 2;
  right: 0;
  bottom: 0;
  display: flex;
  width: 205px;
  height: 152px;
  flex-direction: column;
  justify-content: center;
  padding: 24px;
  color: var(--white);
  background: var(--red);
}

.about-year strong {
  font-family: Arial, sans-serif;
  font-size: 2.6rem;
  font-weight: 400;
  line-height: 1;
}

.about-year span {
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.7rem;
}

.about-copy h2 {
  margin-bottom: 30px;
}

.about-copy > p:not(.eyebrow) {
  margin-bottom: 18px;
  color: var(--ink-3);
  font-size: 1rem;
  line-height: 1.82;
}

.about-signature {
  display: flex;
  flex-direction: column;
  margin-top: 36px;
  padding-top: 23px;
  border-top: 1px solid #cdd4d8;
}

.about-signature span {
  color: var(--ink);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.about-signature small {
  margin-top: 7px;
  color: var(--ink-3);
  font-size: 0.67rem;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: clamp(74px, 9vw, 126px);
  border-top: 1px solid #cbd2d6;
}

.stats-row > div {
  display: flex;
  min-height: 150px;
  flex-direction: column;
  justify-content: flex-end;
  padding: 25px 28px;
  border-right: 1px solid #cbd2d6;
}

.stats-row > div:first-child {
  padding-left: 0;
}

.stats-row > div:last-child {
  border-right: 0;
}

.stats-row strong {
  font-family: Arial, sans-serif;
  font-size: 30px;
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1;
}

.stats-row span {
  margin-top: 13px;
  color: var(--ink-3);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
}

/* Contact */
.contact {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
}

.contact::before {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(115deg, rgba(216, 66, 47, 0.11), transparent 38%),
    linear-gradient(0deg, rgba(255, 255, 255, 0.02), transparent);
}

.contact-orbit {
  position: absolute;
  top: -550px;
  right: -350px;
  width: 900px;
  height: 900px;
  border: 1px solid rgba(255, 255, 255, 0.075);
  border-radius: 50%;
  box-shadow:
    0 0 0 90px rgba(255, 255, 255, 0.012),
    0 0 0 180px rgba(255, 255, 255, 0.008);
}

.contact-grid {
  position: relative;
  display: grid;
  grid-template-columns: 0.93fr 1.07fr;
  gap: clamp(70px, 9vw, 145px);
  align-items: start;
}

.contact-copy h2 {
  margin-bottom: 30px;
  font-size: var(--title-section);
}

.contact-copy > p:not(.eyebrow) {
  max-width: 520px;
  margin-bottom: 48px;
  color: rgba(255, 255, 255, 0.57);
  font-size: 1rem;
  line-height: 1.82;
}

.contact-details {
  display: flex;
  flex-direction: column;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.contact-details > * {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 18px;
  padding-block: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.contact-details span {
  color: rgba(255, 255, 255, 0.35);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
}

.contact-details strong {
  font-size: 0.94rem;
  font-weight: 500;
  line-height: 1.7;
}

.contact-details a:hover strong {
  color: #ff7f6d;
}

.inquiry-form {
  padding: clamp(28px, 4.5vw, 56px);
  color: var(--ink);
  background: var(--white);
  box-shadow: 0 35px 90px rgba(0, 0, 0, 0.22);
}

.form-heading {
  display: flex;
  flex-direction: column;
  margin-bottom: 36px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.form-heading span {
  color: var(--red);
  font-family: Arial, sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.2em;
}

.form-heading strong {
  margin-top: 8px;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}

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

.inquiry-form label {
  display: block;
  margin-bottom: 22px;
}

.inquiry-form label > span {
  display: block;
  margin-bottom: 8px;
  color: var(--ink-3);
  font-size: 0.67rem;
}

.inquiry-form input,
.inquiry-form textarea {
  width: 100%;
  padding: 0 0 11px;
  border: 0;
  border-bottom: 1px solid #cfd4d8;
  border-radius: 0;
  background: transparent;
  font-size: 1rem;
  outline: 0;
  resize: vertical;
  transition: border-color 180ms ease;
}

.inquiry-form input:focus,
.inquiry-form textarea:focus {
  border-color: var(--red);
}

.inquiry-form input::placeholder,
.inquiry-form textarea::placeholder {
  color: #a4acb2;
}

.inquiry-form input[aria-invalid="true"],
.inquiry-form textarea[aria-invalid="true"] {
  border-color: var(--red);
}

.form-error {
  min-height: 20px;
  margin: -6px 0 14px;
  color: var(--red);
  font-size: 0.68rem;
}

.form-honeypot {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.button-submit {
  width: 100%;
  justify-content: space-between;
}

.form-note {
  margin: 15px 0 0;
  color: #929ba2;
  font-size: 0.75rem;
  line-height: 1.6;
}

/* Footer */
.site-footer {
  color: var(--white);
  background: #07131e;
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr 1fr 0.85fr;
  gap: 80px;
  align-items: start;
  padding-block: 62px 54px;
}

.brand-footer .brand-mark {
  width: 34px;
  height: 34px;
}

.footer-top > p {
  margin: 0;
  color: rgba(255, 255, 255, 0.42);
  font-size: 0.75rem;
  line-height: 1.9;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 13px 28px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.72rem;
  transition: color 180ms ease;
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
  margin: 0;
  color: rgba(255, 255, 255, 0.31);
  font-size: 0.62rem;
  letter-spacing: 0.03em;
}

.footer-icp {
  color: rgba(255, 255, 255, 0.45);
  font-size: 0.62rem;
  letter-spacing: 0.03em;
}

.footer-icp:hover {
  color: var(--white);
}

.to-top {
  position: fixed;
  z-index: 80;
  right: 22px;
  bottom: 22px;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: var(--white);
  border: 0;
  background: var(--red);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition:
    opacity 220ms ease,
    transform 220ms var(--ease),
    background 180ms ease;
}

.to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.to-top:hover {
  background: var(--red-dark);
}

body.lightbox-open {
  overflow: hidden;
}

.image-lightbox {
  position: fixed;
  z-index: 1000;
  inset: 0;
  display: grid;
  padding: 28px;
  place-items: center;
  background: rgba(3, 9, 15, 0.92);
}

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

.image-lightbox img {
  display: block;
  width: auto;
  max-width: min(1180px, 94vw);
  height: auto;
  max-height: 88vh;
  padding: 8px;
  background: var(--white);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.45);
  object-fit: contain;
}

.image-lightbox-close {
  position: absolute;
  top: 22px;
  right: 24px;
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 50%;
  background: rgba(7, 20, 38, 0.72);
  color: var(--white);
  font-size: 1.6rem;
  cursor: pointer;
}

.image-lightbox-close:hover {
  background: var(--red);
}

/* Progressive reveal */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 700ms var(--ease),
    transform 700ms var(--ease);
}

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

/* Inner pages */
.inner-page {
  background: var(--paper);
}

.page-hero {
  position: relative;
  min-height: 560px;
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
}

.page-hero-compact {
  min-height: 500px;
}

.page-hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(5, 14, 22, 0.94) 0%, rgba(5, 14, 22, 0.67) 54%, rgba(5, 14, 22, 0.22) 100%),
    linear-gradient(0deg, rgba(5, 14, 22, 0.88) 0%, rgba(5, 14, 22, 0.15) 70%);
}

.page-hero-inner {
  position: relative;
  display: flex;
  min-height: inherit;
  flex-direction: column;
  justify-content: flex-end;
  padding-top: calc(var(--header-height) + 76px);
  padding-bottom: clamp(64px, 8vw, 98px);
}

.page-hero .eyebrow {
  margin-bottom: 22px;
}

.page-hero h1 {
  max-width: 980px;
  margin-bottom: 26px;
  font-size: var(--title-primary);
  line-height: 1.02;
}

.page-hero-compact h1 {
  font-size: var(--title-primary);
}

.product-detail-page .page-hero h1 {
  font-size: var(--title-product);
}

.page-hero-intro {
  max-width: 650px;
  margin: 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 1.0625rem;
  line-height: 1.8;
}

.breadcrumb {
  position: absolute;
  top: calc(var(--header-height) + 34px);
  left: 0;
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin: 0;
  padding: 0;
  color: rgba(255, 255, 255, 0.48);
  font-size: 0.64rem;
  letter-spacing: 0.05em;
  list-style: none;
}

.breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.breadcrumb li:not(:last-child)::after {
  color: rgba(255, 255, 255, 0.24);
  content: "/";
}

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

.breadcrumb [aria-current="page"] {
  color: rgba(255, 255, 255, 0.78);
}

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

.catalog-card {
  min-height: 0;
}

.catalog-card-image {
  height: 290px;
}

.catalog-card .product-index {
  right: 18px;
  bottom: 15px;
  left: 18px;
  color: var(--white);
  letter-spacing: 0.16em;
}

.catalog-card-body {
  min-height: 220px;
}

.catalog-guide {
  padding-block: clamp(80px, 9vw, 130px);
}

.catalog-guide-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: clamp(60px, 9vw, 140px);
  align-items: start;
}

.catalog-guide-grid h2 {
  font-size: var(--title-section);
}

.guide-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid #ccd3d7;
  list-style: none;
}

.guide-list li {
  display: grid;
  grid-template-columns: 48px 150px 1fr;
  gap: 15px;
  align-items: start;
  padding-block: 24px;
  border-bottom: 1px solid #ccd3d7;
}

.guide-list li > span {
  color: var(--red);
  font-family: Arial, sans-serif;
  font-size: 0.6rem;
}

.guide-list strong {
  font-size: 0.88rem;
}

.guide-list p {
  margin: 0;
  color: var(--ink-3);
  font-size: 1rem;
  line-height: 1.8;
}

.inner-cta {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
}

.inner-cta::after {
  position: absolute;
  top: -350px;
  right: -100px;
  width: 680px;
  height: 680px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  content: "";
  box-shadow:
    0 0 0 75px rgba(255, 255, 255, 0.018),
    0 0 0 150px rgba(255, 255, 255, 0.012);
}

.inner-cta-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(55px, 9vw, 140px);
  align-items: end;
  padding-block: clamp(72px, 8vw, 112px);
}

.inner-cta h2 {
  max-width: 820px;
  font-size: var(--title-section);
}

.inner-cta-actions p {
  max-width: 410px;
  margin-bottom: 28px;
  color: rgba(255, 255, 255, 0.52);
  font-size: 1rem;
  line-height: 1.82;
}

/* Product detail */
.product-detail-banner {
  position: relative;
  min-height: 390px;
  overflow: hidden;
  background: var(--ink);
}

.product-detail-banner > img,
.product-detail-banner-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.product-detail-banner > img {
  object-fit: cover;
}

.product-detail-banner-shade {
  background:
    linear-gradient(90deg, rgba(5, 14, 22, 0.92), rgba(5, 14, 22, 0.35)),
    linear-gradient(0deg, rgba(5, 14, 22, 0.72), transparent 65%);
}

.product-detail-banner-inner {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 390px;
  flex-direction: column;
  justify-content: flex-end;
  padding-top: 132px;
  padding-bottom: 52px;
  color: var(--white);
}

.product-detail-banner .breadcrumb {
  position: static;
  margin-bottom: auto;
}

.product-detail-banner h2 {
  max-width: 850px;
  margin: 0 0 12px;
  color: var(--white);
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  font-size: 30px;
}

.product-detail-banner-inner > p:last-child {
  margin: 0;
  color: rgba(255, 255, 255, 0.6);
  font-size: 1rem;
}

.product-dossier {
  padding: clamp(42px, 5vw, 64px) 0 clamp(88px, 8vw, 116px);
}

body.product-detail-page .inner-cta-inner {
  padding-block: 80px;
}

.product-dossier > .container > .breadcrumb {
  margin-bottom: 25px;
}

.product-main-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(370px, 0.95fr);
  gap: clamp(32px, 4vw, 54px);
  align-items: stretch;
}

.product-main-media {
  position: relative;
  min-width: 0;
  height: 100%;
  margin: 0;
  overflow: hidden;
  border-radius: 7px;
  background: #020507;
}

.product-main-zoom {
  display: grid;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
  place-items: center;
}

.product-main-zoom img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1200 / 769;
  object-fit: contain;
}

.product-main-zoom > span {
  position: absolute;
  right: 16px;
  bottom: 16px;
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  overflow: hidden;
  border-radius: 50%;
  background: rgba(7, 20, 38, 0.82);
  color: transparent;
  font-size: 0;
}

.product-main-zoom > span::before {
  color: var(--white);
  content: "+";
  font-size: 1.45rem;
  line-height: 1;
}

.product-main-media figcaption {
  position: absolute;
  left: 18px;
  bottom: 14px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.68rem;
}

.product-overview {
  display: flex;
  min-width: 0;
  height: 100%;
  min-height: 100%;
  flex-direction: column;
  justify-content: space-between;
  padding: 10px 0;
  background: transparent;
  color: var(--ink);
}

.product-overview h1 {
  margin-bottom: 22px;
  color: var(--ink);
  font-size: 30px;
  line-height: 1.03;
}

.document-intro-copy {
  max-width: 660px;
  margin-bottom: 20px;
}

.document-intro-copy p {
  margin: 0 0 11px;
  color: var(--ink-3);
  font-size: 0.94rem;
  line-height: 1.72;
}

.document-intro-copy p:last-child {
  margin-bottom: 0;
}

.overview-metrics {
  margin: 10px 0 14px;
  border-top: 1px solid var(--line);
}

.overview-metric {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 6px 0;
  border-bottom: 1px solid var(--line);
}

.overview-metric span {
  color: var(--ink-3);
  font-size: 0.8rem;
}

.overview-metric strong {
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 500;
  text-align: right;
}

.overview-parameters {
  margin-top: clamp(30px, 4vw, 48px);
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.overview-parameters .overview-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
  border-top: 1px solid var(--line);
}

.overview-parameters .overview-metric {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 5px;
  padding: 14px 24px;
  border-bottom: 0;
  border-left: 1px solid var(--line);
}

.overview-parameters .overview-metric:first-child {
  padding-left: 0;
  border-left: 0;
}

.overview-parameters .overview-metric strong {
  overflow-wrap: anywhere;
  text-align: left;
}

.product-overview > .button {
  align-self: start;
  min-height: 42px;
}

.model-gallery,
.spec-library,
.related-section {
  margin-top: clamp(56px, 6vw, 82px);
}

.model-gallery-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.model-gallery-heading h2 {
  font-size: var(--title-section);
}

.model-gallery-heading > p {
  max-width: 470px;
  margin: 0 0 4px;
  color: var(--ink-3);
  font-size: 1rem;
  line-height: 1.72;
}

.model-image-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.model-image-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: 8px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  text-align: left;
  cursor: zoom-in;
  transition:
    border-color 180ms ease,
    transform 180ms var(--ease),
    box-shadow 180ms var(--ease);
}

.model-image-card:hover {
  border-color: var(--red);
  box-shadow: 0 16px 35px rgba(13, 28, 43, 0.1);
  transform: translateY(-3px);
}

.model-image-card img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1200 / 769;
  margin-bottom: 13px;
  background: var(--surface);
  object-fit: contain;
}

.model-image-card > span {
  display: flex;
  min-width: 0;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  padding: 0 3px 4px;
}

.model-image-card strong {
  overflow: hidden;
  font-size: 0.88rem;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.model-image-card small {
  flex: none;
  color: var(--ink-3);
  font-size: 0.68rem;
}

.spec-table-list {
  display: grid;
  gap: 24px;
}

.spec-table-block {
  min-width: 0;
}

.spec-table-block > header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.spec-table-block header span,
.spec-table-block header small {
  color: var(--ink-3);
  font-size: 0.72rem;
}

.spec-table-block h3 {
  margin: 4px 0 0;
  font-size: 1.18rem;
}

.spec-table-scroll {
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scrollbar-gutter: stable;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  border-left: 1px solid var(--line);
  background: var(--white);
}

.spec-table-scroll:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 2px;
}

.spec-table-block table {
  width: 100%;
  min-width: max-content;
  border-collapse: collapse;
  color: var(--ink);
  font-size: 0.78rem;
}

.spec-table-block th,
.spec-table-block td {
  min-width: 108px;
  padding: 10px 12px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: center;
  vertical-align: middle;
  white-space: nowrap;
}

.spec-table-block th:first-child,
.spec-table-block td:first-child {
  position: sticky;
  left: 0;
  z-index: 1;
  width: 210px;
  min-width: 210px;
  background: var(--paper);
  text-align: left;
  white-space: normal;
}

.spec-table-block thead th {
  background: var(--ink);
  color: var(--white);
  font-weight: 500;
}

.spec-table-block thead th:first-child {
  z-index: 2;
  background: var(--ink);
}

.spec-table-block tbody tr:last-child > * {
  border-bottom: 0;
}

.spec-table-block th:last-child,
.spec-table-block td:last-child {
  border-right: 0;
}

.spec-empty {
  margin: 0;
  padding: 24px;
  border: 1px dashed var(--line);
  color: var(--ink-3);
  font-size: 1rem;
}

.performance-block {
  display: block;
  margin-top: 42px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.overview-parameters h2,
.performance-heading h3 {
  margin: 0;
  color: var(--ink);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.45;
}

.overview-parameters h2 {
  margin-bottom: 13px;
}

.performance-heading {
  margin-bottom: 14px;
}

.performance-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 56px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.performance-list li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.performance-list span {
  color: var(--red);
  font-family: Arial, sans-serif;
  font-size: 0.64rem;
}

.performance-list p {
  margin: 0;
  color: var(--ink-2);
  font-size: 0.94rem;
  line-height: 1.65;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(55px, 8vw, 120px);
  align-items: center;
}

.detail-image {
  position: relative;
  min-height: 560px;
  margin: 0;
  overflow: hidden;
  background: #e3e7e9;
}

.detail-image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.detail-image figcaption {
  position: absolute;
  right: 24px;
  bottom: 20px;
  color: var(--white);
  font-family: Arial, sans-serif;
  font-size: 0.55rem;
  letter-spacing: 0.18em;
}

.detail-summary h2 {
  margin-bottom: 28px;
  font-size: var(--title-section);
  line-height: 1.16;
}

.detail-summary > p:not(.eyebrow) {
  color: var(--ink-3);
  font-size: 1rem;
  line-height: 1.85;
}

.detail-specs {
  margin: 35px 0;
  border-top: 1px solid var(--line);
}

.detail-specs > div {
  display: grid;
  grid-template-columns: 105px 1fr;
  gap: 18px;
  padding-block: 15px;
  border-bottom: 1px solid var(--line);
}

.detail-specs dt {
  color: var(--ink-3);
  font-size: 0.66rem;
}

.detail-specs dd {
  margin: 0;
  font-size: 0.82rem;
  font-weight: 600;
}

.detail-actions {
  display: flex;
  align-items: center;
  gap: 30px;
}

.feature-section {
  padding-block: clamp(82px, 9vw, 126px);
}

.feature-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(60px, 9vw, 150px);
  align-items: start;
}

.feature-grid h2 {
  font-size: var(--title-section);
}

.feature-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid #cbd2d6;
  list-style: none;
  counter-reset: features;
}

.feature-list li {
  position: relative;
  min-height: 68px;
  padding: 21px 20px 21px 62px;
  border-bottom: 1px solid #cbd2d6;
  color: var(--ink-2);
  font-size: 1rem;
  counter-increment: features;
}

.feature-list li::before {
  position: absolute;
  top: 24px;
  left: 0;
  color: var(--red);
  content: "0" counter(features);
  font-family: Arial, sans-serif;
  font-size: 0.58rem;
}

.detail-industries-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(60px, 9vw, 150px);
  align-items: start;
}

.detail-industries-grid > div > p:not(.eyebrow) {
  max-width: 470px;
  margin: 25px 0 0;
  color: var(--ink-3);
  font-size: 1rem;
  line-height: 1.82;
}

.industry-links {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.industry-links li {
  display: grid;
  grid-template-columns: 38px 1fr auto;
  gap: 16px;
  align-items: center;
  padding-block: 20px;
  border-bottom: 1px solid var(--line);
}

.industry-links span {
  color: var(--red);
  font-family: Arial, sans-serif;
  font-size: 0.58rem;
}

.industry-links strong {
  font-size: 0.88rem;
}

.industry-links a {
  color: var(--ink-3);
  font-size: 0.66rem;
  transition: color 180ms ease;
}

.industry-links a:hover {
  color: var(--red);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.related-card {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  min-height: 230px;
  background: var(--white);
  transition: transform 260ms var(--ease), box-shadow 260ms var(--ease);
}

.related-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

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

.related-card > span {
  align-self: end;
  padding: 30px 30px 8px;
  color: var(--red);
  font-family: Arial, sans-serif;
  font-size: 0.52rem;
  letter-spacing: 0.16em;
}

.related-card h3 {
  margin: 0;
  padding: 0 30px 13px;
  font-size: var(--title-card);
}

.related-card > strong {
  align-self: start;
  padding: 0 30px 30px;
  color: var(--ink-3);
  font-size: 0.65rem;
}

.related-card > *:not(img) {
  grid-column: 2;
}

.product-pager {
  display: flex;
  justify-content: space-between;
  margin-top: 18px;
  padding: 16px 0 14px;
  border-top: 1px solid #cbd2d6;
  border-bottom: 1px solid #cbd2d6;
}

.product-pager a {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.product-pager a:last-child {
  text-align: right;
}

.product-pager span {
  color: var(--ink-3);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
}

.product-pager strong {
  font-size: 0.82rem;
}

.product-pager a:hover strong {
  color: var(--red);
}

/* Applications page */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.industry-card {
  position: relative;
  display: flex;
  min-height: 420px;
  flex-direction: column;
  padding: clamp(30px, 4vw, 54px);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: color 260ms ease, background 260ms ease;
}

.industry-card:hover {
  color: var(--white);
  background: var(--ink);
}

.industry-card > p:first-of-type {
  margin-bottom: 20px;
  color: var(--red);
  font-family: Arial, sans-serif;
  font-size: 14px;
  letter-spacing: 0.18em;
}

.industry-number {
  position: absolute;
  top: 30px;
  right: 32px;
  color: currentColor;
  font-family: Arial, sans-serif;
  font-size: 0.58rem;
  opacity: 0.32;
}

.industry-card h2 {
  margin-bottom: 18px;
  font-size: var(--title-card-large);
}

.industry-description {
  max-width: 500px;
  margin-bottom: 30px;
  color: var(--ink-3);
  font-size: 1rem;
  line-height: 1.82;
  transition: color 260ms ease;
}

.industry-card:hover .industry-description {
  color: rgba(255, 255, 255, 0.56);
}

.industry-products {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.industry-products a {
  padding: 8px 12px;
  border: 1px solid var(--line);
  font-size: 0.66rem;
  transition: color 180ms ease, border-color 180ms ease;
}

.industry-card:hover .industry-products a {
  border-color: rgba(255, 255, 255, 0.2);
}

.industry-products a:hover {
  color: var(--red);
  border-color: var(--red);
}

/* About page */
.about-page-grid {
  display: grid;
  grid-template-columns: 1.03fr 0.97fr;
  gap: clamp(55px, 8vw, 120px);
  align-items: center;
}

.about-page.section-pad {
  padding-bottom: clamp(70px, 7vw, 98px);
}

.about-page-media {
  position: relative;
  min-height: 0;
  aspect-ratio: 700 / 450;
}

.about-page-media::before {
  position: absolute;
  top: -22px;
  right: -22px;
  width: 60%;
  height: 65%;
  border: 1px solid var(--line);
  content: "";
}

.about-page-media img {
  position: absolute;
  z-index: 1;
  inset: 0;
  width: 100%;
  height: 100%;
  background: var(--paper);
  object-fit: contain;
}

.about-page-copy h2 {
  margin-bottom: 28px;
  font-size: var(--title-section);
}

.about-page-copy > p:not(.eyebrow) {
  color: var(--ink-3);
  font-size: 1rem;
  line-height: 1.85;
}

.capability-page {
  margin-top: 0;
  padding-block: clamp(82px, 8vw, 112px);
}

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

.capability-heading {
  gap: clamp(40px, 7vw, 110px);
}

.capability-heading h2 {
  max-width: 720px;
  font-size: var(--title-section);
}

.about-capability-card {
  min-height: 210px;
  padding: 30px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.82);
  transition: transform 220ms var(--ease), box-shadow 220ms var(--ease);
}

.about-capability-card:hover {
  box-shadow: 0 18px 42px rgba(13, 28, 43, 0.08);
  transform: translateY(-3px);
}

.capability-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}

.capability-card-top > span {
  color: var(--red);
  font-family: Arial, sans-serif;
  font-size: 14px;
  letter-spacing: 0.1em;
}

.about-capability-card .capability-icon {
  width: 46px;
  height: 46px;
}

.about-capability-card .capability-icon svg {
  width: 22px;
  height: 22px;
}

.about-capability-card h3 {
  margin: 0 0 10px;
  font-size: var(--title-card);
}

.about-capability-card p {
  max-width: 390px;
  margin: 0;
  color: var(--ink-3);
  font-size: 1rem;
  line-height: 1.75;
}

.about-stats-section {
  padding-bottom: clamp(90px, 10vw, 140px);
  background: var(--mist);
}

.about-stats-section .stats-row {
  margin-top: 0;
  padding-top: 70px;
}

/* Contact page */
.contact-page {
  color: var(--white);
  background: var(--ink);
}

.contact-page-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(65px, 9vw, 140px);
  align-items: start;
}

.contact-page-copy h2 {
  margin-bottom: 28px;
  font-size: var(--title-section);
}

.contact-page-copy > p:not(.eyebrow) {
  max-width: 500px;
  margin-bottom: 38px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 1rem;
  line-height: 1.85;
}

.contact-page .contact-details {
  color: var(--white);
}

.contact-access {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 18px;
  margin-top: 35px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.13);
}

.contact-access span {
  color: rgba(255, 255, 255, 0.35);
  font-size: 0.64rem;
}

.contact-access p {
  margin: 0;
  color: rgba(255, 255, 255, 0.64);
  font-size: 1rem;
  line-height: 1.65;
}

@media (max-width: 1120px) {
  .header-phone {
    display: none;
  }

  .primary-nav {
    gap: 22px;
  }

  .hero-copy {
    width: 82%;
  }

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

  .product-card {
    min-height: 440px;
  }

  .footer-top {
    grid-template-columns: 1fr 0.9fr;
  }

  .footer-links {
    grid-column: 2;
  }
}

@media (max-width: 900px) {
  :root {
    --header-height: 72px;
  }

  .container {
    width: min(calc(100% - 42px), var(--container));
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .section-intro,
  .products-side {
    margin-left: 0;
  }

  .header-actions .button {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .primary-nav {
    position: fixed;
    top: var(--header-height);
    right: 0;
    left: 0;
    display: flex;
    visibility: hidden;
    min-height: calc(100svh - var(--header-height));
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 34px 32px 60px;
    background: rgba(7, 19, 30, 0.99);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    transition:
      visibility 0s linear 260ms,
      opacity 260ms ease,
      transform 260ms var(--ease);
  }

  .primary-nav a {
    width: 100%;
    padding: 22px 0;
    color: rgba(255, 255, 255, 0.84);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 16px;
  }

  .primary-nav a::after {
    display: none;
  }

  .nav-open .primary-nav {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
    transition-delay: 0s;
  }

  .nav-open .menu-toggle > span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }

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

  .nav-open .menu-toggle > span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }

  .hero,
  .hero-content {
    height: auto;
    min-height: 680px;
  }

  .hero-copy {
    width: 92%;
  }

  .page-hero {
    min-height: 540px;
  }

  .page-hero-compact {
    min-height: 500px;
  }

  .page-hero-inner {
    padding-bottom: 70px;
  }

  .page-hero h1 {
    font-size: var(--title-primary);
  }

  .hero-copy h1 {
    font-size: var(--title-primary);
  }

  .hero-side-label {
    display: none;
  }

  .hero-facts li {
    min-width: 150px;
    padding-inline: 24px;
  }

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

  .catalog-guide-grid,
  .inner-cta-inner,
  .detail-grid,
  .feature-grid,
  .detail-industries-grid,
  .about-page-grid,
  .contact-page-grid {
    grid-template-columns: 1fr;
  }

  .inner-cta-inner {
    align-items: start;
  }

  .detail-summary {
    padding-top: 15px;
  }

  .feature-grid {
    gap: 45px;
  }

  .industry-grid {
    grid-template-columns: 1fr;
  }

  .strength-card {
    min-height: 330px;
  }

  .line-icon {
    margin-bottom: 34px;
  }

  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

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

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

  .stats-row > div:nth-child(2) {
    border-right: 0;
  }

  .stats-row > div:nth-child(n + 3) {
    border-top: 1px solid #cbd2d6;
  }

  .stats-row > div:nth-child(3) {
    padding-left: 0;
  }

  .contact-grid {
    gap: 62px;
  }

  .contact-copy > p:not(.eyebrow) {
    max-width: 650px;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(calc(100% - 34px), var(--container));
  }

  .section-pad {
    padding-block: 82px;
  }

  h2 {
    font-size: var(--title-section);
  }

  .site-header,
  .site-header.is-scrolled {
    height: 68px;
  }

  .brand-mark {
    width: 32px;
    height: 32px;
  }

  .brand-copy strong {
    font-size: 0.9rem;
  }

  .brand-copy small {
    font-size: 0.39rem;
    letter-spacing: 0.11em;
  }

  .header-inner {
    gap: 18px;
  }

  .menu-toggle {
    width: 42px;
    height: 42px;
  }

  .primary-nav {
    top: 68px;
    min-height: calc(100svh - 68px);
    padding-inline: 20px;
  }

  .page-hero,
  .page-hero-compact {
    min-height: 560px;
  }

  .page-hero-inner {
    padding-top: 128px;
    padding-bottom: 58px;
  }

  .page-hero h1,
  .page-hero-compact h1 {
    margin-bottom: 20px;
    font-size: var(--title-primary);
  }

  .product-detail-page .page-hero h1 {
    font-size: var(--title-product);
    white-space: nowrap;
  }

  .page-hero-intro {
    font-size: 1rem;
    line-height: 1.8;
  }

  .breadcrumb {
    top: 91px;
  }

  .breadcrumb ol {
    gap: 7px;
    font-size: 0.56rem;
  }

  .breadcrumb li {
    gap: 7px;
  }

  .hero,
  .hero-content {
    height: auto;
    min-height: 650px;
  }

  .hero-content {
    align-items: flex-end;
    padding-top: 118px;
    padding-bottom: 122px;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(5, 14, 22, 0.76), rgba(5, 14, 22, 0.18)),
      linear-gradient(0deg, rgba(5, 14, 22, 0.96) 0%, rgba(5, 14, 22, 0.45) 65%, rgba(5, 14, 22, 0.2));
  }

  .hero-copy {
    width: 100%;
  }

  .hero-copy h1 {
    margin-bottom: 22px;
    font-size: var(--title-primary);
    line-height: 1.02;
  }

  .hero-description {
    margin-bottom: 27px;
    font-size: 1.0625rem;
    line-height: 1.8;
  }

  .hero-actions {
    gap: 22px;
  }

  .hero-actions .button {
    min-height: 48px;
    padding-inline: 18px;
  }

  .hero-facts {
    margin-top: 38px;
  }

  .hero-facts li {
    min-width: 0;
    flex: 1;
    padding-inline: 13px;
  }

  .hero-facts strong {
    font-size: 0.92rem;
  }

  .hero-facts span {
    font-size: 0.55rem;
    line-height: 1.5;
  }

  .hero-controls {
    bottom: 22px;
  }

  .hero-dots {
    display: none;
  }

  .hero-progress-line {
    width: 62px;
  }

  .hero-arrows button {
    width: 40px;
    height: 40px;
  }

  .capability-cards {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .home-capability-card {
    min-height: 220px;
    padding: 28px;
  }

  .catalog-grid {
    grid-template-columns: 1fr;
  }

  .catalog-card-image {
    height: 260px;
  }

  .catalog-card-body {
    min-height: 195px;
  }

  .catalog-guide {
    padding-block: 72px;
  }

  .catalog-guide-grid {
    gap: 42px;
  }

  .guide-list li {
    grid-template-columns: 30px 115px 1fr;
    gap: 8px;
    padding-block: 18px;
  }

  .inner-cta-inner {
    gap: 35px;
    padding-block: 68px;
  }

  .detail-image {
    min-height: 365px;
  }

  .detail-summary h2 {
    font-size: var(--title-section);
  }

  .detail-actions {
    flex-wrap: wrap;
    gap: 22px;
  }

  .feature-section {
    padding-block: 74px;
  }

  .feature-grid {
    gap: 36px;
  }

  .related-grid {
    grid-template-columns: 1fr;
  }

  .related-card {
    grid-template-columns: 0.82fr 1.18fr;
    min-height: 220px;
  }

  .product-pager {
    align-items: flex-start;
    flex-direction: column;
    gap: 20px;
  }

  .product-pager a:last-child {
    text-align: left;
  }

  .industry-card {
    min-height: 390px;
    padding: 28px;
  }

  .industry-number {
    top: 28px;
    right: 26px;
  }

  .capability-grid {
    grid-template-columns: 1fr;
  }

  .capability-grid article {
    min-height: 230px;
  }

  .capability-grid h3 {
    margin-top: 42px;
  }

  .about-stats-section .stats-row {
    padding-top: 55px;
  }

  .contact-page-grid {
    gap: 52px;
  }

  .contact-page-copy h2 {
    font-size: var(--title-section);
  }

  .contact-access {
    grid-template-columns: 70px 1fr;
    gap: 12px;
  }

  .section-heading {
    margin-bottom: 45px;
  }

  .section-heading .eyebrow {
    margin-bottom: 18px;
  }

  .strength-grid {
    grid-template-columns: 1fr;
  }

  .strength-card {
    min-height: 315px;
    padding: 28px;
  }

  .line-icon {
    width: 46px;
    height: 46px;
    margin-bottom: 36px;
  }

  .product-filters {
    flex-wrap: nowrap;
    margin-right: -17px;
    padding-right: 17px;
    overflow-x: auto;
    scrollbar-width: none;
  }

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

  .product-filters button {
    flex: 0 0 auto;
  }

  .product-grid {
    grid-template-columns: 1fr;
  }

  .product-card.product-card-wide {
    grid-column: auto;
  }

  .product-card {
    min-height: 0;
  }

  .product-image {
    height: 260px;
  }

  .product-content {
    min-height: 178px;
  }

  .application-grid {
    grid-template-columns: 1fr;
  }

  .application-grid article {
    min-height: 158px;
    padding: 24px;
  }

  .about-media::before {
    top: -16px;
    right: -16px;
  }

  .about-year {
    width: 170px;
    height: 120px;
    padding: 19px;
  }

  .about-year strong {
    font-size: 2rem;
  }

  .stats-row {
    margin-top: 68px;
  }

  .stats-row > div {
    min-height: 128px;
    padding: 20px;
  }

  .stats-row > div:nth-child(odd) {
    padding-left: 0;
  }

  .stats-row strong {
    font-size: 30px;
  }

  .contact-details > * {
    grid-template-columns: 72px 1fr;
  }

  .inquiry-form {
    padding: 28px 22px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-block: 48px;
  }

  .footer-links {
    grid-column: auto;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .to-top {
    right: 15px;
    bottom: 15px;
  }
}

@media (max-width: 1120px) {
  .product-main-grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(330px, 0.8fr);
    gap: 30px;
  }

  .product-overview {
    padding: 4px 0;
  }

  .product-overview h1 {
    margin-bottom: 14px;
    font-size: 30px;
  }

  .overview-metric {
    padding: 7px 0;
  }
}

@media (min-width: 621px) and (max-width: 900px) {
  .product-main-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(220px, 0.65fr);
    gap: 20px;
  }

  .product-overview {
    padding: 0;
  }

  .product-overview .eyebrow {
    margin-bottom: 6px;
    font-size: 14px;
  }

  .product-overview h1 {
    margin-bottom: 6px;
    font-size: 30px;
    line-height: 1.18;
  }

  .overview-metrics {
    margin: 6px 0 10px;
  }

  .overview-metric {
    padding: 4px 0;
  }

  .overview-metric span {
    font-size: 0.69rem;
    white-space: nowrap;
  }

  .overview-metric strong {
    font-size: 0.88rem;
    white-space: nowrap;
  }

  .product-overview > .button {
    min-height: 34px;
    padding-inline: 12px;
    font-size: 0.72rem;
  }

  body.product-detail-page .inner-cta-inner {
    padding-block: 38px;
  }

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

@media (max-width: 620px) {
  .product-detail-banner,
  .product-detail-banner-inner {
    min-height: 330px;
  }

  .product-detail-banner-inner {
    padding-top: 102px;
    padding-bottom: 32px;
  }

  .product-detail-banner h2 {
    font-size: 30px;
  }

  .product-dossier {
    padding-top: 42px;
  }

  body.product-detail-page .inner-cta-inner {
    gap: 20px;
    padding-block: 32px;
  }

  body.product-detail-page .inner-cta-actions p {
    margin-bottom: 18px;
  }

  .product-main-grid {
    grid-template-columns: 1fr;
  }

  .product-main-zoom img {
    aspect-ratio: 1200 / 769;
  }

  .product-overview {
    min-height: 0;
    padding: 8px 0 0;
  }

  .product-overview h1 {
    font-size: 30px;
    white-space: nowrap;
  }

  .document-intro-copy p {
    font-size: 0.96rem;
    line-height: 1.72;
  }

  .overview-metric span,
  .overview-metric strong {
    font-size: 0.88rem;
  }

  .overview-parameters .overview-metrics {
    grid-template-columns: 1fr;
  }

  .overview-parameters .overview-metric,
  .overview-parameters .overview-metric:first-child {
    padding: 11px 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .overview-parameters .overview-metric:first-child {
    border-top: 0;
  }

  .model-gallery-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }

  .model-gallery-heading > p {
    font-size: 0.94rem;
  }

  .model-image-grid {
    grid-template-columns: 1fr;
  }

  .performance-block {
    grid-template-columns: 1fr;
    gap: 18px;
  }

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }
}