:root {
  --ink: #1a2233;
  --ink-soft: #4f5b70;
  --muted: #778198;
  --line: #e2e6ee;
  --line-strong: #c9d0de;
  --paper: #ffffff;
  --mist: #f4f6fa;
  --mist-soft: #eef2f7;
  --mist-deep: #e8eeff;
  --lab-blue: #1e5eff;
  --lab-blue-deep: #184bcc;
  --lab-teal: #4b7eff;
  --signal: #e8eeff;
  --signal-ink: #184bcc;
  --warning: #44518e;
  --max-width: 1240px;
  --content-width: 820px;
  --header-height: 76px;
  --radius: 2px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

main [id] {
  scroll-margin-top: calc(var(--header-height) + 74px);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.72;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

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

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid rgba(30, 94, 255, 0.62);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 200;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  color: var(--paper);
  background: var(--ink);
  transform: translateY(-160%);
}

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

.shell {
  width: min(calc(100% - 64px), var(--max-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  height: var(--header-height);
  border-bottom: 1px solid rgba(24, 75, 204, 0.1);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(18px);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - 64px), var(--max-width));
  height: 100%;
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  min-width: 224px;
}

.brand__mark {
  position: relative;
  display: grid;
  width: 39px;
  height: 39px;
  place-items: center;
  overflow: hidden;
  color: var(--paper);
  background: var(--lab-blue-deep);
  border-radius: 2px;
  font-size: 14px;
  font-weight: 800;
  line-height: 1;
}

.brand__mark::after {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 12px;
  height: 12px;
  content: "";
  background: var(--lab-teal);
}

.brand__name {
  display: block;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.2;
}

.brand__en {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-family: Arial, sans-serif;
  font-size: 10px;
  font-weight: 700;
  line-height: 1;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2px;
}

.site-nav a {
  position: relative;
  display: grid;
  min-height: 44px;
  padding: 0 13px;
  place-items: center;
  color: #4f5b70;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}

.site-nav a::after {
  position: absolute;
  right: 13px;
  bottom: 6px;
  left: 13px;
  height: 2px;
  content: "";
  background: var(--lab-teal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--ink);
}

.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.header-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  margin-left: 12px;
  padding: 0 18px;
  color: var(--paper);
  background: var(--lab-blue-deep);
  border-radius: 3px;
  font-size: 14px;
  font-weight: 700;
}

.header-action:hover {
  background: var(--lab-blue);
}

.site-nav .header-action,
.site-nav .header-action:hover {
  color: var(--paper);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
  transition: transform 180ms ease, opacity 180ms ease;
}

.menu-open .menu-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.menu-open .menu-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.hero {
  position: relative;
  display: flex;
  min-height: min(820px, calc(100svh - 112px));
  align-items: flex-end;
  overflow: hidden;
  color: var(--paper);
  background: var(--lab-blue-deep);
}

.hero__media {
  position: absolute;
  inset: 0;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 54%;
  filter: saturate(0.76) contrast(1.05);
  transform: scale(1.02);
}

.hero__media::after {
  position: absolute;
  inset: 0;
  content: "";
  background: rgba(10, 24, 63, 0.66);
}

.hero__grid {
  position: absolute;
  inset: 0;
  opacity: 0.2;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to top, #000 0, transparent 82%);
}

.hero__content {
  position: relative;
  z-index: 2;
  width: min(calc(100% - 64px), var(--max-width));
  margin: 0 auto;
  padding: 118px 0 64px;
}

.hero__kicker,
.page-hero__kicker,
.section-kicker {
  margin: 0 0 16px;
  color: var(--lab-teal);
  font-family: Arial, sans-serif;
  font-size: 12px;
  font-weight: 800;
  line-height: 1.4;
  text-transform: uppercase;
}

.hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #e8eeff;
}

.hero__kicker::before {
  width: 34px;
  height: 2px;
  content: "";
  background: var(--signal);
}

.hero h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(42px, 5.2vw, 72px);
  font-weight: 650;
  line-height: 1.08;
}

.hero__lead {
  max-width: 620px;
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 18px;
  line-height: 1.8;
  white-space: nowrap;
}

.hero__actions,
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.hero__actions {
  flex-wrap: nowrap;
}

.button {
  position: relative;
  display: inline-flex;
  min-width: 148px;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 3px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
}

.button svg {
  position: absolute;
  right: 17px;
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
}

.button--signal {
  color: var(--signal-ink);
  background: var(--signal);
}

.button--signal:hover {
  background: #edf2f5;
}

.button--outline-light {
  color: var(--paper);
  border-color: rgba(255, 255, 255, 0.48);
  background: rgba(10, 24, 63, 0.25);
}

.button--outline-light:hover {
  border-color: var(--paper);
  background: rgba(255, 255, 255, 0.1);
}

.button--dark {
  color: var(--paper);
  background: var(--ink);
}

.button--dark:hover {
  background: var(--lab-blue-deep);
}

.button--outline {
  color: var(--ink);
  border-color: var(--line-strong);
  background: transparent;
}

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

.section {
  padding: 112px 0;
}

.section--tight {
  padding: 78px 0;
}

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

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

.section--ink {
  color: var(--paper);
  background: var(--ink);
}

.section--blue {
  color: var(--paper);
  background: var(--lab-blue-deep);
}

.section-header {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.55fr);
  gap: 70px;
  align-items: end;
  margin-bottom: 52px;
}

.section-header h2,
.split-copy h2,
.content-title {
  margin: 0;
  font-size: 42px;
  font-weight: 650;
  line-height: 1.22;
}

.section-header p,
.split-copy > p,
.section-intro {
  margin: 0;
  color: var(--ink-soft);
  font-size: 17px;
}

.section-header > p,
.section-lead p:last-child {
  text-align: right;
}

.section-header__action {
  justify-self: end;
  align-self: end;
}

.compatibility-note {
  max-width: 760px;
}

.compatibility-note h2 {
  margin: 0 0 18px;
  font-size: 42px;
  line-height: 1.22;
}

.compatibility-note > p:not(.section-kicker) {
  margin: 0 0 28px;
  color: var(--ink-soft);
  font-size: 17px;
}

.section--tight .section-header > p {
  white-space: nowrap;
}

.section-lead {
  display: grid;
  grid-template-columns: minmax(150px, 0.4fr) minmax(0, 0.6fr);
  gap: 44px;
  align-items: start;
  margin-bottom: 40px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line-strong);
}

.section-lead p:last-child {
  margin: 0;
  color: var(--ink-soft);
  font-size: 16px;
}

.section-lead .section-kicker {
  margin: 0;
}

.section-lead__title {
  margin: 0;
  font-size: 24px;
  font-weight: 650;
  line-height: 1.3;
}

.section-lead--light {
  border-color: rgba(255, 255, 255, 0.22);
}

.section-lead--light p:last-child {
  color: rgba(255, 255, 255, 0.72);
}

.section--ink .section-header p,
.section--blue .section-header p,
.section--ink .section-kicker,
.section--blue .section-kicker {
  color: rgba(255, 255, 255, 0.68);
}

.service-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
}

.service-panel {
  position: relative;
  min-height: 430px;
  padding: 42px 46px 44px 0;
  border-bottom: 1px solid var(--line-strong);
  transition: background 180ms ease, box-shadow 180ms ease;
}

.service-panel:hover {
  background: var(--mist);
  box-shadow: inset 0 3px 0 var(--lab-teal);
}

.service-panel + .service-panel {
  padding-right: 0;
  padding-left: 46px;
  border-left: 1px solid var(--line-strong);
}

.service-panel__number {
  color: var(--lab-teal);
  font-family: Arial, sans-serif;
  font-size: 13px;
  font-weight: 800;
}

.service-panel h3 {
  max-width: 420px;
  margin: 82px 0 20px;
  font-size: 38px;
  font-weight: 650;
  line-height: 1.2;
}

.service-panel p {
  max-width: 470px;
  margin: 0;
  color: var(--ink-soft);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 28px;
  font-size: 15px;
  font-weight: 700;
}

.text-link::after {
  content: "→";
  color: var(--lab-teal);
  font-size: 20px;
  transition: transform 180ms ease;
}

.text-link:hover::after {
  transform: translateX(5px);
}

.evidence-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.evidence-item {
  min-height: 190px;
  padding: 28px;
  border-right: 1px solid var(--line);
}

.evidence-item:last-child {
  border-right: 0;
}

.evidence-item strong {
  display: block;
  color: var(--lab-blue-deep);
  font-family: Arial, sans-serif;
  font-size: 44px;
  font-weight: 650;
  line-height: 1;
}

.evidence-item span {
  display: block;
  margin-top: 22px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.55;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(350px, 0.9fr);
  gap: 76px;
  align-items: center;
}

.split--reverse .split-media {
  order: 2;
}

.split-media {
  position: relative;
  overflow: hidden;
  background: var(--mist-deep);
}

.split-media img {
  width: 100%;
  height: 100%;
  min-height: 520px;
  object-fit: cover;
}

.split-media--team {
  aspect-ratio: 1228 / 600;
}

.split-media--team img {
  min-height: 0;
  height: 100%;
}

.split-media--contain img {
  object-fit: contain;
  padding: 38px;
  background: var(--paper);
}

.media-label {
  position: absolute;
  right: 18px;
  bottom: 18px;
  left: 18px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  padding: 15px 18px;
  color: var(--paper);
  background: rgba(16, 38, 91, 0.88);
  font-size: 13px;
}

.split-copy .section-kicker {
  margin-bottom: 18px;
}

.split-copy > p {
  margin-top: 24px;
}

.fact-list,
.check-list,
.plain-list {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.fact-list li,
.check-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.fact-list li:last-child,
.check-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.fact-list strong {
  min-width: 72px;
  color: var(--lab-blue);
}

.check-list li::before {
  width: 8px;
  height: 8px;
  margin-top: 9px;
  content: "";
  background: var(--signal);
}

.equipment-showcase {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1px;
  background: rgba(255, 255, 255, 0.16);
}

.equipment-feature,
.equipment-stack article {
  position: relative;
  overflow: hidden;
  background: var(--paper);
}

.equipment-feature {
  min-height: 670px;
}

.equipment-stack {
  display: grid;
  gap: 1px;
}

.equipment-feature img,
.equipment-stack img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.equipment-stack article {
  min-height: 334px;
}

.equipment-caption {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 56px 26px 22px;
  color: var(--paper);
  background: rgba(16, 38, 91, 0.88);
}

.equipment-caption span {
  display: block;
  color: rgba(255, 255, 255, 0.62);
  font-size: 11px;
  font-weight: 700;
}

.equipment-caption strong {
  display: block;
  margin-top: 5px;
  font-size: 18px;
}

.credential-row {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  min-height: 480px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.credential-row--home {
  min-height: 0;
  display: block;
}

.credential-copy {
  padding: 48px 54px 48px 0;
}

.credential-copy h3 {
  margin: 0;
  font-size: 38px;
  font-weight: 600;
}

.credential-copy p {
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.68);
}

.credential-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-left: 1px solid rgba(255, 255, 255, 0.2);
}

.credential-list--home {
  width: 100%;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-left: 0;
}

.credential-list a {
  display: flex;
  min-height: 220px;
  flex-direction: column;
  justify-content: space-between;
  padding: 30px;
  border-right: 1px solid rgba(255, 255, 255, 0.2);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.credential-list--home a,
.credential-list--home a:nth-child(3),
.credential-list--home a:nth-child(4) {
  min-height: 142px;
  border-bottom: 0;
}

.credential-list a:nth-child(3),
.credential-list a:nth-child(4) {
  border-bottom: 0;
}

.credential-list a:nth-child(even) {
  border-right: 0;
}

.credential-list small {
  color: rgba(255, 255, 255, 0.5);
}

.credential-list strong {
  font-size: 20px;
}

.news-list {
  border-top: 1px solid var(--line-strong);
}

.news-row {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr) 34px;
  gap: 34px;
  align-items: center;
  min-height: 144px;
  border-bottom: 1px solid var(--line-strong);
  transition: background 180ms ease;
}

.news-row:hover {
  background: var(--mist);
}

.news-row time {
  color: var(--muted);
  font-family: Arial, sans-serif;
  font-size: 13px;
}

.news-row h3 {
  margin: 0;
  font-size: 20px;
  font-weight: 650;
  line-height: 1.45;
}

.news-row p {
  margin: 7px 0 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.news-row__arrow {
  font-size: 22px;
}

.contact-band {
  color: var(--paper);
  background: var(--lab-blue-deep);
}

.contact-band__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  min-height: 144px;
  align-items: center;
  gap: 56px;
}

.contact-band__copy {
  min-width: 0;
}

.contact-band__copy h2 {
  max-width: 720px;
  margin: 0;
  font-size: 30px;
  font-weight: 600;
  line-height: 1.25;
}

.contact-band__action {
  position: relative;
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 0 24px;
  color: var(--signal-ink);
  background: var(--signal);
  border-radius: 3px;
  font-size: 18px;
  font-weight: 700;
  white-space: nowrap;
}

.contact-band__action strong {
  font-size: inherit;
}

.page-hero {
  position: relative;
  min-height: 250px;
  padding: 44px 0 34px;
  overflow: hidden;
  color: var(--paper);
  background: var(--lab-blue-deep);
}

.page-hero::before {
  position: absolute;
  inset: 0;
  content: "";
  opacity: 0.32;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 64px 64px;
}

.page-hero--image {
  background-position: center;
  background-size: cover;
}

.page-hero--image::after {
  position: absolute;
  inset: 0;
  content: "";
  background: rgba(10, 24, 63, 0.75);
}

.page-hero__inner {
  position: relative;
  z-index: 2;
}

.page-hero h1 {
  margin: 0;
  font-size: 64px;
  font-weight: 620;
  line-height: 1.15;
}

.page-hero__kicker {
  margin: 0 0 16px;
}

.page-hero__description {
  max-width: 620px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.74);
  font-size: 17px;
  line-height: 1.7;
}

.anchor-nav {
  position: sticky;
  z-index: 40;
  top: var(--header-height);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(16px);
}

.anchor-nav__inner {
  display: flex;
  gap: 30px;
  min-height: 58px;
  align-items: center;
  overflow-x: auto;
  scrollbar-width: none;
}

.anchor-nav__inner::-webkit-scrollbar {
  display: none;
}

.anchor-nav a {
  position: relative;
  display: inline-flex;
  flex: 0 0 auto;
  min-height: 44px;
  align-items: center;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 700;
}

.anchor-nav a:hover {
  color: var(--lab-blue);
}

.scope-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
  border-left: 1px solid var(--line-strong);
}

.scope-item {
  min-height: 230px;
  padding: 30px;
  border-right: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  transition: background 180ms ease, box-shadow 180ms ease;
}

.scope-item:hover {
  background: var(--mist);
  box-shadow: inset 0 3px 0 var(--lab-teal);
}

.scope-item__index {
  color: var(--lab-teal);
  font-family: Arial, sans-serif;
  font-size: 12px;
  font-weight: 800;
}

.scope-item h3 {
  margin: 54px 0 12px;
  font-size: 20px;
  line-height: 1.4;
}

.scope-item p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.process {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
}

.process-step {
  min-height: 210px;
  padding: 26px 22px;
  border-right: 1px solid var(--line-strong);
}

.process-step:last-child {
  border-right: 0;
}

.process-step b {
  display: block;
  color: var(--lab-teal);
  font-family: Arial, sans-serif;
  font-size: 12px;
}

.process-step strong {
  display: block;
  margin-top: 55px;
  font-size: 17px;
}

.process-step span {
  display: block;
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 13px;
}

.notice {
  margin-top: 34px;
  padding: 22px 24px;
  border-left: 3px solid var(--lab-teal);
  background: var(--mist);
  color: var(--ink-soft);
  font-size: 14px;
}

.image-wall {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 18px;
}

.image-wall figure {
  position: relative;
  grid-column: span 4;
  margin: 0;
  overflow: hidden;
  background: var(--mist-deep);
}

.image-wall figure:first-child {
  grid-column: span 7;
}

.image-wall figure:nth-child(2) {
  grid-column: span 5;
}

.image-wall figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.image-wall figcaption {
  padding: 18px 0 0;
  background: var(--paper);
}

.image-wall figcaption strong,
.image-wall figcaption span {
  display: block;
}

.image-wall figcaption span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.equipment-note-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
  background: var(--mist);
}

.equipment-note-media {
  margin: 0;
  background: var(--ink);
}

.equipment-note-media img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.equipment-note-media figcaption {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 17px 24px;
  color: var(--paper);
}

.equipment-note-media figcaption strong,
.equipment-note-media figcaption span {
  display: block;
}

.equipment-note-media figcaption span {
  color: rgba(255, 255, 255, 0.62);
  font-size: 13px;
}

.equipment-note {
  display: flex;
  min-height: 100%;
  padding: 44px;
  flex-direction: column;
  justify-content: center;
}

.equipment-note h3 {
  margin: 0;
  font-size: 32px;
}

.equipment-note > p:not(.section-kicker) {
  margin: 18px 0 28px;
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 1.8;
}

.certificate-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 54px 32px;
}

.credentials-section .certificate-grid {
  gap: 0;
  border-top: 1px solid var(--line-strong);
  border-left: 1px solid var(--line-strong);
}

.credentials-section .certificate-card {
  padding: 24px;
  border-right: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.certificate-card {
  display: block;
}

.certificate-card__image {
  display: grid;
  min-height: 440px;
  padding: 32px;
  place-items: center;
  overflow: hidden;
  background: var(--mist);
}

.certificate-card__image img {
  width: 100%;
  height: 390px;
  object-fit: contain;
  transition: transform 220ms ease;
}

.certificate-card:hover img {
  transform: scale(1.02);
}

.certificate-card__meta {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--line-strong);
}

.certificate-card__meta strong {
  font-size: 18px;
}

.certificate-card__meta span {
  color: var(--muted);
  font-size: 13px;
  text-align: right;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 24px;
}

.pagination {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 32px;
}

.pagination a {
  display: inline-flex;
  min-width: 42px;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  color: var(--ink);
  background: var(--paper);
  font-size: 14px;
  font-weight: 700;
}

.pagination a:hover,
.pagination a[aria-current="page"] {
  color: var(--paper);
  border-color: var(--ink);
  background: var(--ink);
}

.news-card {
  grid-column: span 4;
  min-height: 390px;
  padding: 28px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  transition: transform 180ms ease, border-color 180ms ease;
}

.news-card:hover {
  border-color: var(--lab-teal);
  transform: translateY(-4px);
}

.service-next {
  padding: 72px 0;
}

.service-next.section--mist {
  color: var(--ink);
  background: var(--mist);
}

.service-next.section--guide {
  color: var(--ink);
  background: var(--mist-soft);
}

.service-next__inner {
  display: flex;
  min-height: 144px;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
}

.service-next__inner h2 {
  margin: 0;
  font-size: 34px;
  font-weight: 650;
  line-height: 1.25;
}

.service-next__inner p:not(.section-kicker) {
  max-width: 620px;
  margin: 14px 0 0;
  color: var(--ink-soft);
}

.section--blue .service-next__inner p:not(.section-kicker) {
  color: rgba(255, 255, 255, 0.72);
}

.faq-intro .section-header {
  margin-bottom: 44px;
}

.faq-list {
  border-top: 1px solid var(--line-strong);
}

.faq-item {
  border-bottom: 1px solid var(--line-strong);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  min-height: 92px;
  padding: 22px 0;
  color: var(--ink);
  font-size: 19px;
  font-weight: 650;
  cursor: pointer;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::marker {
  display: none;
}

.faq-plus {
  display: grid;
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  place-items: center;
  color: var(--lab-blue);
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  font-family: Arial, sans-serif;
  font-size: 20px;
  font-weight: 400;
  line-height: 1;
  transition: transform 180ms ease, background 180ms ease;
}

.faq-item[open] .faq-plus {
  color: var(--paper);
  background: var(--lab-blue);
  transform: rotate(45deg);
}

.faq-item p {
  max-width: 760px;
  margin: -2px 58px 28px 0;
  color: var(--ink-soft);
  font-size: 16px;
}

.knowledge-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line-strong);
  background: var(--line-strong);
}

.knowledge-card {
  min-height: 350px;
  padding: 30px;
  background: var(--paper);
  transition: background 180ms ease, transform 180ms ease;
}

.knowledge-card:hover {
  background: var(--mist);
  transform: translateY(-3px);
}

.knowledge-card__index {
  display: block;
  color: var(--lab-teal);
  font-family: Arial, sans-serif;
  font-size: 12px;
  font-weight: 800;
}

.knowledge-card__tag {
  margin: 48px 0 12px;
  color: var(--muted);
  font-size: 13px;
}

.knowledge-card h2 {
  margin: 0;
  font-size: 22px;
  font-weight: 650;
  line-height: 1.45;
}

.knowledge-card > p:not(.knowledge-card__tag) {
  margin: 18px 0 0;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.75;
}

.knowledge-card .text-link {
  margin-top: 24px;
  font-size: 14px;
}

.knowledge-note {
  max-width: 840px;
}

.knowledge-note h2 {
  margin: 0;
  font-size: 42px;
  font-weight: 650;
  line-height: 1.25;
}

.knowledge-note > p:not(.section-kicker) {
  max-width: 650px;
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 17px;
}

.knowledge-note .button {
  margin-top: 30px;
}

.news-card time,
.news-card small {
  color: var(--muted);
  font-family: Arial, sans-serif;
  font-size: 12px;
}

.news-card h2 {
  margin: 84px 0 14px;
  font-size: 22px;
  line-height: 1.45;
}

.news-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.article-header {
  padding: 110px 0 70px;
  border-bottom: 1px solid var(--line);
}

.article-header__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  font-size: 13px;
}

.article-header h1 {
  max-width: 960px;
  margin: 28px 0 0;
  font-size: 52px;
  font-weight: 630;
  line-height: 1.3;
}

.article-body {
  width: min(calc(100% - 48px), var(--content-width));
  margin: 0 auto;
  padding: 82px 0 110px;
}

.article-body p,
.article-body li {
  color: #3e4a61;
  font-size: 17px;
  line-height: 2;
}

.article-body h2 {
  margin: 58px 0 20px;
  font-size: 28px;
}

.article-body img {
  width: 100%;
  margin: 42px 0;
  border: 1px solid var(--line);
}

.article-body table {
  width: 100%;
  margin: 32px 0;
  border-collapse: collapse;
  font-size: 14px;
}

.article-body th,
.article-body td {
  padding: 12px 14px;
  border: 1px solid var(--line-strong);
  text-align: left;
  vertical-align: top;
}

.article-body th {
  background: var(--mist);
}

.article-back {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 34px;
  color: var(--lab-blue);
  font-size: 14px;
  font-weight: 700;
}

.prose {
  width: min(calc(100% - 48px), 900px);
  margin: 0 auto;
}

.prose h2 {
  margin: 54px 0 16px;
  font-size: 26px;
}

.prose p,
.prose li {
  color: var(--ink-soft);
}

.prose ul,
.prose ol {
  padding-left: 1.4em;
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 80px;
}

.contact-primary {
  border-top: 1px solid var(--line-strong);
}

.contact-line {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 24px;
  padding: 27px 0;
  border-bottom: 1px solid var(--line-strong);
}

.contact-line span {
  color: var(--muted);
  font-size: 13px;
}

.contact-line strong,
.contact-line a {
  font-size: 18px;
  font-weight: 650;
}

.contact-visual {
  min-height: 540px;
  overflow: hidden;
  background: var(--mist);
}

.contact-visual img {
  width: 100%;
  height: 100%;
  min-height: 540px;
  object-fit: cover;
}

.site-map-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 44px;
}

.site-map-group {
  padding-top: 22px;
  border-top: 2px solid var(--ink);
}

.site-map-group h2 {
  margin: 0 0 18px;
  font-size: 18px;
}

.site-map-group a {
  display: block;
  padding: 8px 0;
  color: var(--ink-soft);
}

.site-map-group a:hover {
  color: var(--lab-blue);
}

.site-footer {
  padding: 72px 0 26px;
  color: rgba(255, 255, 255, 0.75);
  background: #101936;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr 1fr;
  gap: 54px;
}

.footer-brand {
  max-width: 310px;
}

.footer-brand strong {
  display: block;
  color: var(--paper);
  font-size: 20px;
}

.footer-brand p {
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.52);
  font-size: 13px;
}

.footer-group h2 {
  margin: 0 0 18px;
  color: var(--paper);
  font-size: 14px;
}

.footer-group a,
.footer-group span {
  display: block;
  padding: 5px 0;
  color: rgba(255, 255, 255, 0.58);
  font-size: 13px;
}

.footer-group a:hover {
  color: var(--paper);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  margin-top: 60px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.42);
  font-size: 12px;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.footer-legal a {
  display: inline-flex;
  min-height: 24px;
  align-items: center;
}

.reveal {
  opacity: 1;
  transform: none;
  transition: opacity 520ms ease, transform 520ms ease;
}

.lab-cursor {
  position: fixed;
  z-index: 150;
  width: 10px;
  height: 10px;
  pointer-events: none;
  border: 1px solid rgba(30, 94, 255, 0.5);
  border-radius: 50%;
  opacity: 0;
  transform: translate(-50%, -50%);
  transition: width 120ms ease, height 120ms ease, opacity 120ms ease;
}

@media (hover: hover) and (pointer: fine) {
  .lab-cursor.is-active {
    width: 28px;
    height: 28px;
    opacity: 1;
  }
}

@media (max-width: 1180px) {
  .hero__media img {
    transform: none;
  }

  .section--tight .section-header > p {
    white-space: normal;
    min-width: 0;
  }

  .site-nav a {
    padding: 0 9px;
    font-size: 13px;
  }

  .header-action {
    display: none;
  }

  .section-header {
    gap: 44px;
  }

  .footer-grid {
    grid-template-columns: 1.2fr repeat(3, 1fr);
    gap: 30px;
  }
}

@media (max-width: 980px) {
  :root {
    --header-height: 70px;
  }

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

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

  .site-header {
    backdrop-filter: none;
  }

  .brand,
  .menu-toggle {
    position: relative;
    z-index: 2;
  }

  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    z-index: 1;
    inset: var(--header-height) 0 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: center;
    gap: 0;
    padding: 32px;
    background: var(--paper);
    opacity: 0;
    overflow-y: auto;
    overscroll-behavior: contain;
    pointer-events: none;
    transform: translateY(-12px);
    visibility: hidden;
    transition: opacity 180ms ease, transform 180ms ease, visibility 0s linear 180ms;
  }

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

  .site-nav a {
    min-height: 54px;
    font-size: 18px;
    text-align: center;
  }

  .site-nav a::after {
    right: 38%;
    left: 38%;
  }

  .hero {
    min-height: min(760px, calc(100svh - 96px));
  }

  .hero h1 {
    font-size: 60px;
  }

  .section {
    padding: 88px 0;
  }

  .section-header,
  .split,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .section-header {
    gap: 22px;
  }

  .section-header > p,
  .section-lead p:last-child {
    text-align: left;
  }

  .section-header__action {
    justify-self: start;
    align-self: start;
  }

  .section--tight .section-header > p {
    white-space: normal;
  }

  .section-lead {
    grid-template-columns: 1fr;
    gap: 12px;
  }

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

  .evidence-item:nth-child(2) {
    border-right: 0;
  }

  .evidence-item:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

  .split--reverse .split-media {
    order: 0;
  }

  .equipment-showcase,
  .equipment-note-layout,
  .credential-row,
  .contact-band__inner {
    grid-template-columns: 1fr;
  }

  .equipment-note {
    min-height: 0;
  }

  .service-next__inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 26px;
    min-height: 144px;
  }

  .service-next__inner .button {
    width: auto;
  }

  .credential-list {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    border-left: 0;
  }

  .credential-copy {
    padding-right: 0;
  }

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

  .process {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-left: 1px solid var(--line-strong);
  }

  .process-step {
    border-bottom: 1px solid var(--line-strong);
  }

  .news-card {
    grid-column: span 6;
  }

  .news-card:last-child {
    grid-column: span 12;
  }

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

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

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

@media (max-width: 680px) {
  .hero__actions .button {
    gap: 6px;
    padding: 0 12px;
    font-size: 13px;
  }

  .button {
    min-width: 0;
  }

  .shell {
    width: calc(100% - 32px);
  }

  .site-header__inner {
    width: calc(100% - 32px);
  }

  .brand {
    min-width: 0;
  }

  .brand__name {
    font-size: 14px;
  }

  .brand__en {
    display: none;
  }

  .hero {
    min-height: min(680px, calc(100svh - 82px));
  }

  .hero__content {
    width: calc(100% - 32px);
    padding: 90px 0 42px;
  }

  .hero h1 {
    max-width: 100%;
    font-size: 38px;
  }

  .hero__lead {
    margin-top: 20px;
    font-size: 16px;
    white-space: normal;
  }

  .hero__actions,
  .actions {
    align-items: stretch;
    flex-direction: column;
  }

  .hero__actions {
    flex-direction: row;
    align-items: center;
  }

  .button {
    width: auto;
  }

  .section,
  .section--tight {
    padding: 66px 0;
  }

  .section-header {
    margin-bottom: 36px;
  }

  .section-header h2,
  .split-copy h2,
  .content-title {
    font-size: 32px;
  }

  .service-pair {
    grid-template-columns: 1fr;
  }

  .service-panel,
  .service-panel + .service-panel {
    min-height: 350px;
    padding: 30px 0;
    border-left: 0;
  }

  .service-panel h3 {
    margin-top: 58px;
    font-size: 31px;
  }

  .evidence-strip {
    grid-template-columns: 1fr;
  }

  .evidence-item,
  .evidence-item:nth-child(2) {
    min-height: 138px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .evidence-item strong {
    font-size: 36px;
  }

  .evidence-item span {
    margin-top: 14px;
  }

  .split {
    gap: 42px;
  }

  .split-media img,
  .contact-visual img {
    min-height: 340px;
  }

  .equipment-feature {
    min-height: 440px;
  }

  .equipment-stack article {
    min-height: 280px;
  }

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

  .credential-list a,
  .credential-list a:nth-child(3) {
    min-height: 150px;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  }

  .credential-list a:last-child {
    border-bottom: 0;
  }

  .news-row {
    grid-template-columns: 1fr 28px;
    gap: 14px;
    padding: 24px 0;
  }

  .news-row time {
    grid-column: 1 / -1;
  }

  .contact-band__inner {
    min-height: 0;
    gap: 20px;
    padding: 28px 0;
  }

  .contact-band__copy h2 {
    font-size: 24px;
  }

  .contact-band__action {
    justify-self: start;
    min-height: 48px;
    padding: 0 18px;
    font-size: 16px;
  }

  .page-hero {
    min-height: 220px;
    padding: 36px 0 28px;
  }

  .page-hero h1 {
    font-size: 36px;
  }

  .page-hero__description {
    margin-top: 14px;
    font-size: 15px;
  }

  .anchor-nav {
    top: var(--header-height);
  }

  .scope-grid,
  .process {
    grid-template-columns: 1fr;
  }

  .scope-item {
    min-height: 190px;
  }

  .process-step {
    min-height: 150px;
    border-right: 0;
  }

  .process-step strong {
    margin-top: 34px;
  }

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

  .image-wall figure,
  .image-wall figure:first-child,
  .image-wall figure:nth-child(2) {
    grid-column: auto;
  }

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

  .certificate-card__image {
    min-height: 360px;
    padding: 20px;
  }

  .certificate-card__image img {
    height: 330px;
  }

  .news-card,
  .news-card:last-child {
    grid-column: span 12;
    min-height: 320px;
  }

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

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

  .knowledge-note h2 {
    font-size: 32px;
  }

  .service-next {
    padding: 58px 0;
  }

  .service-next__inner .button {
    width: 100%;
  }

  .news-card h2 {
    margin-top: 48px;
  }

  .article-header {
    padding: 80px 0 54px;
  }

  .article-header h1 {
    font-size: 34px;
  }

  .article-body {
    width: calc(100% - 32px);
    padding: 58px 0 78px;
  }

  .article-body p,
  .article-body li {
    font-size: 16px;
  }

  .article-body table {
    display: block;
    overflow-x: auto;
  }

  .contact-layout {
    gap: 48px;
  }

  .contact-line {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .site-map-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

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

@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;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .lab-cursor {
    display: none;
  }
}