:root {
  --bg: #f4f7fb;
  --white: #ffffff;
  --surface-soft: #edf3f8;
  --ink: #102033;
  --text: #34495c;
  --muted: #4f6374;
  --line: #d9e3ed;
  --line-strong: #c3d1df;
  --blue: #1769e0;
  --blue-dark: #0b4fb8;
  --blue-soft: #eaf2ff;
  --radius: 18px;
  --radius-lg: 26px;
  --shadow: 0 14px 40px rgba(26, 58, 88, 0.08);
  --container: 1200px;
  --header: 72px;
  --ease: cubic-bezier(0.2, 0.72, 0.25, 1);
  --font: "HarmonyOS Sans SC", "MiSans", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "SFMono-Regular", Consolas, monospace;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
  background: var(--bg);
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: clip;
  color: var(--text);
  background: var(--bg);
  font: 16px/1.75 var(--font);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

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

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

button {
  color: inherit;
}

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

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  color: var(--ink);
  text-wrap: balance;
}

p {
  margin-bottom: 0;
  color: var(--muted);
  text-wrap: pretty;
}

::selection {
  color: #ffffff;
  background: var(--blue);
}

:focus-visible {
  outline: 3px solid rgba(23, 105, 224, 0.35);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  left: 18px;
  top: 12px;
  z-index: 1000;
  padding: 9px 14px;
  border-radius: 8px;
  color: #ffffff;
  background: var(--blue-dark);
  transform: translateY(-150%);
  transition: transform 0.2s ease;
}

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

.container {
  width: min(calc(100% - 48px), var(--container));
  margin-inline: auto;
}

.section {
  padding: 88px 0;
}

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

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  color: var(--blue);
  font: 600 12px/1.4 var(--mono);
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.section-label::before {
  width: 20px;
  height: 2px;
  content: "";
  background: var(--blue);
}

.section-head {
  display: grid;
  grid-template-columns: 1fr minmax(280px, 440px);
  align-items: end;
  gap: 56px;
  margin-bottom: 40px;
}

.section-head--center {
  display: block;
  max-width: 760px;
  margin-inline: auto;
  text-align: center;
}

.section-head--center .section-label {
  justify-content: center;
}

.section-head--center .section-label::after {
  width: 20px;
  height: 2px;
  content: "";
  background: var(--blue);
}

.section-title {
  margin-bottom: 0;
  font-size: clamp(27px, 3.1vw, 42px);
  font-weight: 620;
  line-height: 1.28;
  letter-spacing: -0.025em;
}

.section-copy {
  font-size: 15px;
  line-height: 1.85;
}

.accent {
  color: var(--blue);
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 650;
  line-height: 1;
  cursor: pointer;
  transition:
    transform 0.25s var(--ease),
    box-shadow 0.25s ease,
    background 0.25s ease,
    border-color 0.25s ease;
}

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

.button--primary {
  color: #ffffff;
  background: var(--blue);
  box-shadow: 0 8px 20px rgba(23, 105, 224, 0.18);
}

.button--primary:hover {
  background: var(--blue-dark);
  box-shadow: 0 11px 26px rgba(23, 105, 224, 0.24);
}

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

.button--outline:hover {
  border-color: rgba(23, 105, 224, 0.42);
  color: var(--blue-dark);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--blue-dark);
  font-size: 13px;
  font-weight: 650;
}

.text-link span {
  color: var(--blue);
  transition: transform 0.25s var(--ease);
}

.text-link:hover span {
  transform: translateX(4px);
}

.tag {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  color: #4d6375;
  background: #edf3f8;
  font-size: 12px;
}

.media {
  overflow: hidden;
  background: #e7eef4;
}

.media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* Header */
.header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header);
  border-bottom: 1px solid rgba(30, 66, 97, 0.08);
  background: rgba(255, 255, 255, 0.93);
  backdrop-filter: blur(18px);
  transition:
    height 0.25s ease,
    box-shadow 0.25s ease;
}

.header.is-scrolled {
  height: 64px;
  box-shadow: 0 8px 30px rgba(30, 62, 91, 0.08);
}

.header-inner {
  display: flex;
  width: min(calc(100% - 48px), 1320px);
  height: 100%;
  align-items: center;
  justify-content: space-between;
  margin-inline: auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand img {
  width: 132px;
}

.brand span {
  padding-left: 12px;
  border-left: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 25px;
}

.nav a {
  position: relative;
  padding: 9px 0;
  color: #526679;
  font-size: 13px;
  transition: color 0.2s ease;
}

.nav a::after {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 1px;
  height: 2px;
  border-radius: 2px;
  content: "";
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease);
}

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

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

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

.header-phone {
  min-height: 40px;
  padding-inline: 16px;
  border: 1px solid var(--line);
  border-radius: 9px;
  color: var(--ink);
  background: #ffffff;
  font-size: 13px;
  font-weight: 600;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  place-items: center;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 9px;
  color: var(--ink);
  background: #ffffff;
  cursor: pointer;
}

.menu-toggle i {
  position: relative;
  display: block;
  width: 17px;
  height: 2px;
  background: currentColor;
}

.menu-toggle i::before,
.menu-toggle i::after {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  content: "";
  background: currentColor;
  transition: transform 0.25s ease;
}

.menu-toggle i::before {
  top: -5px;
}

.menu-toggle i::after {
  top: 5px;
}

.menu-open .menu-toggle i {
  background: transparent;
}

.menu-open .menu-toggle i::before {
  top: 0;
  transform: rotate(45deg);
}

.menu-open .menu-toggle i::after {
  top: 0;
  transform: rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: flex;
  visibility: hidden;
  flex-direction: column;
  justify-content: center;
  padding: 96px 24px 32px;
  overflow-y: auto;
  background: #f7fafe;
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.28s ease,
    visibility 0s linear 0.28s;
}

.menu-open .mobile-menu {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transition:
    opacity 0.28s ease,
    visibility 0s linear;
}

.mobile-menu__nav {
  display: grid;
}

.mobile-menu__nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  color: #33495c;
  font-size: 20px;
  font-weight: 550;
}

.mobile-menu__nav a.is-active {
  color: var(--blue);
}

.mobile-menu__nav span,
.mobile-menu__footer {
  color: var(--muted);
  font-size: 12px;
}

/* Hero and shared content */
.hero {
  position: relative;
  overflow: hidden;
  padding: 124px 0 58px;
  background:
    radial-gradient(circle at 78% 38%, rgba(23, 105, 224, 0.11), transparent 30rem),
    linear-gradient(180deg, #f9fbfe, #f5f8fc);
}

.hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background-image:
    linear-gradient(rgba(24, 69, 111, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(24, 69, 111, 0.04) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(90deg, transparent, #000 55%, transparent);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 560px;
  grid-template-columns: minmax(0, 0.9fr) minmax(460px, 1.1fr);
  align-items: center;
  gap: 64px;
}

.hero h1 {
  max-width: 690px;
  margin-bottom: 20px;
  font-size: clamp(34px, 4vw, 50px);
  font-weight: 650;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.hero h1 span {
  display: block;
  color: var(--blue);
}

.hero-copy {
  max-width: 600px;
  margin-bottom: 28px;
  font-size: 16px;
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-top: 28px;
  color: var(--muted);
  font-size: 12px;
}

.hero-meta span::before {
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 8px;
  border-radius: 50%;
  content: "";
  background: var(--blue);
  vertical-align: 2px;
}

.hero-media {
  position: relative;
  height: 520px;
  overflow: hidden;
  border: 1px solid rgba(35, 83, 126, 0.15);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.hero-media > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-media::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(to top, rgba(7, 25, 44, 0.48), transparent 55%);
}

.hero-media__panel {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 20px;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
}

.hero-media__panel div {
  padding: 14px;
  border-right: 1px solid var(--line);
}

.hero-media__panel div:last-child {
  border-right: 0;
}

.hero-media__panel strong {
  display: block;
  color: var(--ink);
  font-size: 16px;
}

.hero-media__panel span {
  color: var(--muted);
  font-size: 12px;
}

.metric-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #ffffff;
}

.metric {
  padding: 26px 22px;
  border-right: 1px solid var(--line);
}

.metric:first-child {
  border-left: 1px solid var(--line);
}

.metric strong {
  display: block;
  margin-bottom: 6px;
  color: var(--ink);
  font-size: 29px;
  font-weight: 650;
  line-height: 1.15;
}

.metric strong small {
  color: var(--blue);
  font-size: 15px;
}

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

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

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

.card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 8px 26px rgba(30, 63, 91, 0.055);
}

.card__image {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #e9eff5;
}

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

.card__content {
  padding: 24px;
}

.card__eyebrow {
  display: block;
  margin-bottom: 10px;
  color: var(--blue);
  font: 600 12px/1.4 var(--mono);
}

.card h3 {
  margin-bottom: 9px;
  font-size: 21px;
  font-weight: 620;
  line-height: 1.35;
}

.card p {
  font-size: 14px;
  line-height: 1.75;
}

.card__links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 18px;
}

.card__link {
  color: var(--blue-dark);
  font-size: 13px;
  font-weight: 600;
}

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

.feature {
  min-height: 205px;
  padding: 24px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #ffffff;
}

.feature__num {
  display: block;
  margin-bottom: 40px;
  color: var(--blue);
  font: 600 12px/1.4 var(--mono);
}

.feature h3 {
  margin-bottom: 8px;
  font-size: 18px;
  font-weight: 620;
}

.feature p {
  font-size: 13px;
  line-height: 1.75;
}

.quote {
  max-width: 900px;
  margin: 0 auto;
  color: var(--ink);
  font-size: clamp(25px, 3.2vw, 40px);
  font-weight: 560;
  line-height: 1.5;
}

.quote span {
  color: var(--blue);
}

.dark-quote {
  padding: 46px;
  border-radius: var(--radius-lg);
  color: #ffffff;
  background:
    radial-gradient(circle at 85% 20%, rgba(72, 154, 255, 0.36), transparent 30rem),
    #0b2b4b;
}

.dark-quote h2 {
  color: #ffffff;
}

.dark-quote p {
  color: rgba(255, 255, 255, 0.78);
}

.cta {
  display: flex;
  min-height: 250px;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 95% 50%, rgba(23, 105, 224, 0.12), transparent 22rem),
    #ffffff;
  box-shadow: var(--shadow);
}

.cta h2 {
  margin-bottom: 10px;
  font-size: clamp(27px, 3.2vw, 40px);
  line-height: 1.28;
}

.cta p {
  font-size: 14px;
}

/* Inner-page hero */
.sub-hero {
  padding: 126px 0 64px;
  background:
    radial-gradient(circle at 82% 16%, rgba(23, 105, 224, 0.09), transparent 28rem),
    #f6f9fc;
}

.sub-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(410px, 1.12fr);
  align-items: center;
  gap: 58px;
}

.sub-hero h1 {
  margin-bottom: 18px;
  font-size: clamp(32px, 3.8vw, 46px);
  font-weight: 650;
  line-height: 1.22;
}

.sub-hero__lead {
  max-width: 580px;
  font-size: 16px;
  line-height: 1.85;
}

.sub-hero__media {
  position: relative;
  height: 420px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

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

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
  color: var(--muted);
  font-size: 12px;
}

.breadcrumb span {
  color: #a6b2be;
}

.split {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  align-items: center;
  gap: 58px;
}

.split--reverse {
  grid-template-columns: 1.18fr 0.82fr;
}

.split__media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

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

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

.list__item {
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 16px;
  padding: 17px 0;
  border-bottom: 1px solid var(--line);
}

.list__item > span {
  color: var(--blue);
  font: 600 12px/1.7 var(--mono);
}

.list__item h3 {
  margin-bottom: 4px;
  font-size: 15px;
  font-weight: 620;
}

.list__item p {
  font-size: 13px;
  line-height: 1.7;
}

.cards-wide {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.card-wide {
  display: grid;
  min-height: 350px;
  grid-template-columns: 0.92fr 1.08fr;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
}

.card-wide__image {
  min-height: 260px;
}

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

.card-wide__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 28px;
}

.card-wide__content h3 {
  margin-bottom: 10px;
  font-size: 23px;
}

.card-wide__content p {
  margin-bottom: 18px;
  font-size: 14px;
}

/* Museum */
.museum-intro {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 62px;
  align-items: start;
}

.museum-intro__aside {
  position: sticky;
  top: 100px;
}

.museum-intro__aside h2 {
  margin-bottom: 16px;
  font-size: clamp(27px, 3vw, 40px);
  line-height: 1.28;
}

.museum-categories {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.museum-category {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
}

.museum-category:first-child {
  grid-column: 1 / -1;
}

.museum-category__image {
  height: 220px;
}

.museum-category:first-child .museum-category__image {
  height: 300px;
}

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

.museum-category__content {
  padding: 20px;
}

.museum-category h3 {
  margin-bottom: 6px;
  font-size: 19px;
}

.museum-category p {
  font-size: 13px;
}

/* Travel */
.travel-platforms {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.travel-platform {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
}

.travel-platform span {
  color: var(--blue);
  font: 600 12px/1.4 var(--mono);
}

.travel-platform h3 {
  margin: 38px 0 8px;
  font-size: 18px;
}

.travel-platform p {
  font-size: 13px;
}

/* Robot */
.robot-stage {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.robot-visual {
  position: relative;
  aspect-ratio: 1 / 0.82;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at center, #ffffff, #eaf2fa);
}

.robot-visual img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 24px;
}

.scene {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  align-items: center;
  gap: 56px;
  padding: 58px 0;
  border-top: 1px solid var(--line);
}

.scene:nth-child(even) {
  grid-template-columns: 1.18fr 0.82fr;
}

.scene:nth-child(even) .scene__copy {
  order: 2;
}

.scene:nth-child(even) .scene__media {
  order: 1;
}

.scene h2 {
  margin-bottom: 14px;
  font-size: clamp(27px, 3.1vw, 38px);
  line-height: 1.28;
}

.scene__lead {
  margin-bottom: 22px;
  font-size: 14px;
}

.scene__media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

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

.scene__presentation {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 14px;
  margin-top: 20px;
  padding: 14px 16px;
  border-left: 3px solid var(--blue);
  background: #edf4fd;
}

.scene__presentation strong {
  color: var(--blue-dark);
  font-size: 12px;
}

.scene__presentation p {
  font-size: 13px;
}

/* AIGC */
.aigc-hero {
  background:
    radial-gradient(circle at 74% 24%, rgba(48, 131, 255, 0.16), transparent 28rem),
    #f6f9fe;
}

.aigc-stage {
  display: grid;
  aspect-ratio: 4 / 3;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #ffffff;
  box-shadow: var(--shadow);
}

.aigc-stage img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.model-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.model-list span {
  padding: 6px 11px;
  border: 1px solid #cfdef2;
  border-radius: 999px;
  color: #526a80;
  background: #ffffff;
  font-size: 12px;
}

/* Platforms */
.platform-menu-hero {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 56px;
  align-items: center;
}

.platform-list {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  box-shadow: var(--shadow);
}

.platform-list__head {
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-size: 14px;
  font-weight: 620;
}

.platform-list a {
  display: grid;
  grid-template-columns: 35px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 13px 20px;
  border-bottom: 1px solid var(--line);
}

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

.platform-list a:hover {
  background: #f4f8ff;
}

.platform-list a > span:first-child {
  color: var(--blue);
  font: 600 12px/1 var(--mono);
}

.platform-list strong {
  display: block;
  color: var(--ink);
  font-size: 14px;
}

.platform-list small {
  color: var(--muted);
  font-size: 12px;
}

.platform-list b {
  color: var(--blue);
  font-weight: 500;
}

.platform-switcher {
  display: grid;
  grid-template-columns: 230px 1fr;
  gap: 28px;
}

.platform-tabs {
  position: sticky;
  top: 92px;
  align-self: start;
  display: grid;
  border-top: 1px solid var(--line);
}

.platform-tab {
  padding: 14px 0;
  border: 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  text-align: left;
  background: transparent;
  font-size: 13px;
  cursor: pointer;
}

.platform-tab.is-active {
  color: var(--blue-dark);
  font-weight: 650;
}

.platform-panel {
  display: none;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  box-shadow: var(--shadow);
}

.platform-panel.is-active {
  display: block;
}

.platform-panel__hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  align-items: center;
  margin-bottom: 26px;
}

.platform-panel h2 {
  margin-bottom: 8px;
  font-size: 30px;
}

.platform-panel__media {
  display: grid;
  aspect-ratio: 16 / 10;
  place-items: center;
  overflow: hidden;
  border-radius: 14px;
  background: #f4f7fa;
}

.platform-panel__media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.platform-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.platform-features div {
  padding: 18px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.platform-features h3 {
  margin-bottom: 6px;
  font-size: 15px;
}

.platform-features p {
  font-size: 13px;
}

.platform-panel__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 22px;
}

.platform-panel__foot p {
  font-size: 12px;
}

/* Filters and form */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 26px;
}

.filter-button {
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: #ffffff;
  font-size: 13px;
  cursor: pointer;
}

.filter-button.is-active {
  border-color: rgba(23, 105, 224, 0.35);
  color: var(--blue-dark);
  background: var(--blue-soft);
}

[hidden] {
  display: none !important;
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 56px;
  align-items: start;
}

.contact-list {
  display: grid;
  border-top: 1px solid var(--line);
}

.contact-list__item {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.contact-list__item span {
  color: var(--muted);
  font-size: 12px;
}

.contact-list__item strong {
  display: block;
  margin-bottom: 3px;
  color: var(--ink);
  font-size: 14px;
}

.contact-list__item small {
  color: var(--muted);
  font-size: 12px;
}

.contact-form {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  box-shadow: var(--shadow);
}

.contact-form h2 {
  margin-bottom: 4px;
  font-size: 26px;
}

.contact-form > p {
  margin-bottom: 24px;
  font-size: 13px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.field {
  display: grid;
  gap: 6px;
}

.field--full {
  grid-column: 1 / -1;
}

.field label {
  color: #506476;
  font-size: 12px;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  outline: 0;
  color: var(--ink);
  background: #f9fbfd;
}

.field input,
.field select {
  height: 46px;
  padding: 0 12px;
}

.field textarea {
  min-height: 112px;
  padding: 11px 12px;
  resize: vertical;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(23, 105, 224, 0.1);
}

.field.is-invalid input,
.field.is-invalid textarea,
.field.is-invalid select {
  border-color: #c53d3d;
}

.field-error {
  display: none;
  color: #a52d2d;
  font-size: 12px;
}

.field.is-invalid .field-error {
  display: block;
}

.consent {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 15px;
  color: var(--muted);
  font-size: 12px;
}

.consent input {
  margin-top: 4px;
  accent-color: var(--blue);
}

.consent.is-invalid {
  color: #a52d2d;
}

.contact-form .button {
  width: 100%;
  margin-top: 17px;
}

.form-success {
  display: none;
  padding: 58px 20px;
  text-align: center;
}

.form-success.is-visible {
  display: block;
}

.form-success__icon {
  display: grid;
  width: 62px;
  height: 62px;
  place-items: center;
  margin: 0 auto 20px;
  border-radius: 50%;
  color: #ffffff;
  background: var(--blue);
  font-size: 24px;
}

.faq {
  max-width: 900px;
  margin-inline: auto;
  border-top: 1px solid var(--line);
}

.faq__item {
  border-bottom: 1px solid var(--line);
}

.faq__question {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 0;
  border: 0;
  color: var(--ink);
  text-align: left;
  background: transparent;
  font-size: 14px;
  cursor: pointer;
}

.faq__question::after {
  color: var(--blue);
  content: "+";
  font-size: 22px;
}

.faq__item.is-open .faq__question::after {
  transform: rotate(45deg);
}

.faq__answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.3s var(--ease);
}

.faq__answer > div {
  overflow: hidden;
}

.faq__answer p {
  padding-bottom: 20px;
  font-size: 13px;
}

.faq__item.is-open .faq__answer {
  grid-template-rows: 1fr;
}

/* Timeline */
.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.timeline__item {
  position: relative;
  padding-top: 20px;
}

.timeline__item::before {
  position: absolute;
  left: 0;
  top: -31px;
  width: 10px;
  height: 10px;
  border: 2px solid var(--blue);
  border-radius: 50%;
  content: "";
  background: var(--bg);
}

.timeline__item strong {
  color: var(--blue);
  font-size: 17px;
}

.timeline__item h3 {
  margin: 10px 0 7px;
  font-size: 16px;
}

.timeline__item p {
  font-size: 13px;
}

/* Footer */
.footer {
  padding: 56px 0 22px;
  border-top: 1px solid var(--line);
  background: #ecf2f7;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: 44px;
  padding-bottom: 40px;
}

.footer-brand p {
  max-width: 320px;
  margin-top: 16px;
  font-size: 13px;
}

.footer-col h3 {
  margin-bottom: 16px;
  font-size: 13px;
}

.footer-col a,
.footer-col span {
  display: block;
  margin-bottom: 10px;
  color: #4f6577;
  font-size: 13px;
}

.footer-col a:hover {
  color: var(--blue-dark);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: #465d70;
  font-size: 12px;
}

.footer-records {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 16px;
  margin-left: auto;
  text-align: right;
}

.footer-records a {
  color: inherit;
}

.footer-records a:hover {
  color: var(--blue-dark);
}

.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition:
    opacity 0.55s var(--ease),
    transform 0.55s var(--ease);
  transition-delay: var(--delay, 0ms);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.scroll-progress {
  position: fixed;
  inset: 0 auto auto 0;
  z-index: 999;
  width: 100%;
  height: 2px;
  background: var(--blue);
  transform: scaleX(var(--progress, 0));
  transform-origin: left;
}

@media (max-width: 1120px) {
  .nav {
    gap: 15px;
  }

  .nav a {
    font-size: 12px;
  }

  .brand span {
    display: none;
  }

  .hero-inner {
    grid-template-columns: 0.95fr 1.05fr;
    gap: 36px;
  }
}

@media (max-width: 960px) {
  .nav,
  .header-phone {
    display: none;
  }

  .menu-toggle {
    display: grid;
  }

  .section {
    padding: 72px 0;
  }

  .hero-inner,
  .sub-hero__inner,
  .split,
  .split--reverse,
  .museum-intro,
  .robot-stage,
  .scene,
  .scene:nth-child(even),
  .platform-menu-hero,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .scene:nth-child(even) .scene__copy,
  .scene:nth-child(even) .scene__media {
    order: initial;
  }

  .hero {
    padding-top: 108px;
  }

  .hero-media {
    height: 460px;
  }

  .sub-hero {
    padding-top: 112px;
  }

  .museum-intro__aside,
  .platform-tabs {
    position: static;
  }

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

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

  .timeline {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 38px;
  }

  .platform-switcher {
    grid-template-columns: 1fr;
  }

  .platform-tabs {
    display: flex;
    overflow-x: auto;
  }

  .platform-tab {
    flex: 0 0 auto;
    padding: 12px 16px;
    border: 0;
  }
}

@media (max-width: 760px) {
  .container,
  .header-inner {
    width: min(calc(100% - 32px), var(--container));
  }

  .section {
    padding: 58px 0;
  }

  .section-head {
    display: block;
  }

  .section-head .section-copy {
    margin-top: 14px;
  }

  .section-title {
    font-size: 27px;
  }

  .hero {
    padding: 100px 0 44px;
  }

  .hero-inner {
    min-height: 0;
  }

  .hero h1,
  .sub-hero h1 {
    font-size: 31px;
    line-height: 1.24;
  }

  .hero-copy,
  .sub-hero__lead {
    font-size: 15px;
  }

  .hero-actions {
    display: grid;
  }

  .hero-actions .button {
    width: 100%;
  }

  .hero-media {
    height: 340px;
  }

  .hero-media__panel {
    grid-template-columns: 1fr;
    left: 12px;
    right: 12px;
    bottom: 12px;
  }

  .hero-media__panel div {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    padding: 9px 12px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .hero-media__panel div:last-child {
    border-bottom: 0;
  }

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

  .metric {
    border-bottom: 1px solid var(--line);
  }

  .metric:nth-child(odd) {
    border-left: 1px solid var(--line);
  }

  .card-grid,
  .card-grid--two,
  .cards-wide,
  .travel-platforms,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .card-wide {
    grid-template-columns: 1fr;
  }

  .card-wide__image {
    min-height: 230px;
  }

  .museum-categories {
    grid-template-columns: 1fr;
  }

  .museum-category:first-child {
    grid-column: auto;
  }

  .museum-category__image,
  .museum-category:first-child .museum-category__image {
    height: 230px;
  }

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

  .timeline__item {
    padding: 0 0 0 24px;
  }

  .timeline__item::before {
    left: 0;
    top: 6px;
  }

  .platform-panel__hero,
  .platform-features,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .field--full {
    grid-column: auto;
  }

  .contact-form {
    padding: 24px 20px;
  }

  .cta {
    align-items: flex-start;
    flex-direction: column;
    padding: 28px 24px;
  }

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

  .footer-brand {
    grid-column: 1 / -1;
  }

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

@media (max-width: 420px) {
  .metric-strip,
  .footer-grid {
    grid-template-columns: 1fr;
  }

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

  .hero-media {
    height: 300px;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

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

/* Premium editorial refinement */
:root {
  --bg: #f4f5f4;
  --surface-soft: #ebeef0;
  --ink: #0b1a27;
  --text: #374956;
  --muted: #4f6374;
  --line: #d8dee3;
  --line-strong: #bfc9d1;
  --blue: #1859c9;
  --blue-dark: #0b3f99;
  --blue-soft: #eef4fd;
  --radius: 5px;
  --radius-lg: 8px;
  --shadow: none;
}

body {
  background: var(--bg);
}

.container {
  width: min(calc(100% - 56px), 1160px);
}

.header {
  background: rgba(248, 249, 248, 0.94);
}

.header.is-scrolled {
  background: rgba(255, 255, 255, 0.97);
}

.header-inner {
  width: min(calc(100% - 56px), 1280px);
}

.nav {
  gap: 28px;
}

.button,
.button--primary,
.button--outline,
.header-phone {
  border-radius: 3px;
}

.button--primary {
  background: var(--blue-dark);
  box-shadow: none;
}

.button--primary:hover {
  background: #083477;
  box-shadow: none;
}

.header-phone.button--primary {
  border-color: var(--blue-dark);
  color: #ffffff;
  background: var(--blue-dark);
}

.section {
  padding: 104px 0;
}

.section--soft {
  background: #ebeef0;
}

.section-label {
  margin-bottom: 17px;
  color: var(--blue-dark);
  font-family: var(--font);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.04em;
}

.section-label::before {
  width: 26px;
  height: 1px;
  background: var(--blue-dark);
}

.section-head {
  gap: 72px;
  margin-bottom: 52px;
}

.section-title {
  max-width: 720px;
  font-size: clamp(30px, 3.3vw, 43px);
  font-weight: 580;
  line-height: 1.3;
  letter-spacing: -0.025em;
}

.section-copy {
  max-width: 460px;
  color: #5b6c79;
  font-size: 15px;
  line-height: 1.9;
}

.hero {
  padding: 146px 0 78px;
  background: #f4f5f4;
}

.hero::before {
  opacity: 0.35;
  background-size: 72px 72px;
  mask-image: linear-gradient(90deg, transparent 0%, #000 35%, #000 70%, transparent 100%);
}

.hero-inner {
  min-height: 540px;
  grid-template-columns: minmax(0, 0.93fr) minmax(430px, 1.07fr);
  gap: 80px;
}

.hero h1 {
  max-width: 610px;
  margin-bottom: 25px;
  font-size: clamp(35px, 4vw, 50px);
  font-weight: 610;
  line-height: 1.24;
  letter-spacing: -0.025em;
}

.hero h1 span {
  margin-top: 4px;
  color: var(--blue-dark);
}

.hero-copy {
  max-width: 545px;
  color: #536573;
  font-size: 16px;
  line-height: 1.9;
}

.hero-media {
  height: 500px;
  border-radius: 6px;
  box-shadow: none;
}

.hero-media__panel {
  border-radius: 3px;
}

.hero-media__panel strong {
  font-size: 15px;
}

.hero-media__panel span {
  font-size: 12px;
}

.metric-strip {
  border-color: var(--line);
}

.metric {
  padding: 30px 24px;
}

.metric strong {
  font: 500 30px/1.2 var(--mono);
}

.section-head,
.cards-wide,
.card-grid,
.feature-grid,
.platform-grid,
.travel-platforms,
.timeline,
.faq {
  position: relative;
}

.card-grid {
  gap: 34px 24px;
}

.card {
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.card__image {
  aspect-ratio: 4 / 3;
  border-radius: 2px;
  background: #e7ecef;
}

.card__image img {
  filter: saturate(0.76) contrast(1.02);
}

.card__content {
  padding: 20px 0 24px;
}

.card h3 {
  font-size: 22px;
  font-weight: 590;
}

.card p {
  font-size: 14px;
}

.card__eyebrow {
  color: #596e7e;
  font-family: var(--font);
  font-weight: 600;
  letter-spacing: 0.025em;
}

.feature-grid {
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
  border: 0;
}

.feature {
  min-height: 0;
  padding: 21px 0 0;
  border: 0;
  border-top: 1px solid var(--line-strong);
  background: transparent;
}

.feature__num {
  margin-bottom: 54px;
  color: var(--blue-dark);
  font-family: var(--font);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.feature h3 {
  font-size: 18px;
  font-weight: 600;
}

.feature p {
  max-width: 300px;
  color: #506576;
  font-size: 13px;
  line-height: 1.8;
}

.travel-platforms {
  gap: 0;
  border-top: 1px solid var(--line-strong);
}

.travel-platform {
  padding: 24px 24px 24px 0;
  border: 0;
  border-right: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
}

.travel-platform:not(:first-child) {
  padding-left: 24px;
}

.travel-platform:last-child {
  border-right: 0;
}

.travel-platform span {
  color: var(--blue-dark);
  font-family: var(--font);
  font-size: 12px;
}

.card-wide,
.museum-category,
.platform-list,
.platform-panel,
.contact-form {
  border-radius: 4px;
  box-shadow: none;
}

.split__media,
.scene__media,
.sub-hero__media,
.aigc-stage,
.robot-visual {
  border-radius: 5px;
  box-shadow: none;
}

.scene {
  gap: 72px;
  padding: 72px 0;
}

.scene h2 {
  font-size: clamp(29px, 3vw, 39px);
  font-weight: 590;
}

.scene__presentation {
  border-left-color: var(--blue-dark);
  background: transparent;
}

.dark-quote {
  border-radius: 5px;
  background: #0b2947;
}

.dark-quote .quote {
  font-size: clamp(27px, 3.2vw, 40px);
  font-weight: 550;
}

.dark-quote .quote span {
  color: #8cc5ff;
}

.cta {
  min-height: 230px;
  border-radius: 5px;
  background: #ffffff;
  box-shadow: none;
}

.platform-list__head,
.platform-list a,
.platform-tab,
.platform-features,
.platform-features div,
.list,
.list__item,
.timeline {
  border-color: var(--line);
}

.platform-panel {
  padding: 32px;
}

.platform-panel h2 {
  font-size: 30px;
  font-weight: 590;
}

.footer {
  background: #e9edef;
}

.footer-grid {
  padding-bottom: 46px;
}

.footer-brand img {
  width: 124px;
}

@media (max-width: 960px) {
  .section {
    padding: 78px 0;
  }

  .section-head {
    gap: 26px;
  }

  .hero {
    padding-top: 118px;
  }

  .hero-inner {
    gap: 46px;
  }

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

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

  .travel-platform:nth-child(2) {
    border-right: 0;
  }

  .travel-platform:nth-child(n + 3) {
    padding-left: 0;
    border-top: 1px solid var(--line);
  }
}

@media (max-width: 760px) {
  .container,
  .header-inner {
    width: min(calc(100% - 32px), 1160px);
  }

  .section {
    padding: 62px 0;
  }

  .hero {
    padding: 104px 0 52px;
  }

  .hero h1 {
    font-size: clamp(30px, 8.3vw, 35px);
    line-height: 1.28;
  }

  .section-title {
    font-size: clamp(25px, 6.8vw, 29px);
    line-height: 1.32;
  }

  .card-grid,
  .feature-grid,
  .travel-platforms {
    grid-template-columns: 1fr;
  }

  .card-grid {
    gap: 30px;
  }

  .card__image {
    aspect-ratio: 16 / 10;
  }

  .feature {
    padding-top: 20px;
  }

  .feature__num {
    margin-bottom: 28px;
  }

  .travel-platform,
  .travel-platform:not(:first-child),
  .travel-platform:nth-child(n + 3) {
    padding: 20px 0;
    border-right: 0;
    border-top: 1px solid var(--line);
  }

  .scene {
    gap: 30px;
    padding: 50px 0;
  }

.platform-panel {
    padding: 22px;
  }
}

/* ===== MAIGE / TECH BLUE REDESIGN ===== */
:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-2: #eaf1f8;
  --surface-3: #dde8f2;
  --ink: #071a32;
  --text: #334962;
  --muted: #62758a;
  --line: #d8e3ee;
  --line-strong: #c1d1e0;
  --blue: #176bff;
  --blue-deep: #0c47b8;
  --cyan: #31d8ff;
  --navy: #06152b;
  --navy-2: #0b2444;
  --white: #fff;
  --shadow: 0 18px 50px rgba(18,52,87,.09);
  --shadow-hover: 0 24px 64px rgba(19,67,122,.16);
  --radius: 18px;
  --radius-lg: 28px;
  --container: 1220px;
  --header: 76px;
  --ease: cubic-bezier(.2,.72,.25,1);
  --font: "HarmonyOS Sans SC", "MiSans", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "SFMono-Regular", "Roboto Mono", Consolas, monospace;
}

html { scroll-padding-top: 96px; background: var(--bg); }
body { min-width: 320px; overflow-x: clip; color: var(--text); background: var(--bg); font: 16px/1.72 var(--font); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
h1,h2,h3,h4,p { margin-top: 0; }
h1,h2,h3 { color: var(--ink); text-wrap: balance; }
p { color: var(--muted); text-wrap: pretty; }
::selection { color: #fff; background: var(--blue); }
:focus-visible { outline: 3px solid rgba(23,107,255,.28); outline-offset: 3px; }
.container { width: min(calc(100% - 56px), var(--container)); margin-inline: auto; }
.section { padding: 104px 0; }
.section--soft { background: var(--surface-2); }
.section-label { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 16px; color: var(--blue); font: 650 12px/1.4 var(--mono); letter-spacing: .12em; text-transform: uppercase; }
.section-label::before { width: 24px; height: 2px; content: ""; background: currentColor; }
.section-head { display: grid; grid-template-columns: minmax(0,1fr) minmax(280px,420px); align-items: end; gap: 56px; margin-bottom: 48px; }
.section-head--center { display: block; max-width: 760px; margin-inline: auto; text-align: center; }
.section-head--center .section-label { justify-content: center; }
.section-head--center .section-label::after { width: 24px; height: 2px; content: ""; background: currentColor; }
.section-title { margin-bottom: 0; color: var(--ink); font-size: clamp(30px,3.3vw,46px); font-weight: 650; line-height: 1.2; letter-spacing: -.035em; }
.section-copy { max-width: 460px; font-size: 15px; line-height: 1.9; }
.accent { color: var(--blue); }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: 9px; padding: 0 21px; border: 1px solid transparent; border-radius: 10px; font-size: 14px; font-weight: 650; line-height: 1; cursor: pointer; transition: transform .25s var(--ease),box-shadow .25s ease,background .25s ease,border-color .25s ease,color .25s ease; }
.button:hover { transform: translateY(-2px); }
.button--primary { color: #fff; background: linear-gradient(110deg,var(--blue),#2493ff); box-shadow: 0 10px 26px rgba(23,107,255,.2); }
.button--primary:hover { background: linear-gradient(110deg,var(--blue-deep),var(--blue)); box-shadow: 0 14px 32px rgba(23,107,255,.27); }
.button--outline { border-color: var(--line-strong); color: var(--ink); background: rgba(255,255,255,.68); }
.button--outline:hover { border-color: rgba(23,107,255,.46); color: var(--blue-deep); background: #fff; }
.text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--blue-deep); font-size: 13px; font-weight: 650; }
.text-link span { color: var(--blue); transition: transform .25s var(--ease); }
.text-link:hover span { transform: translateX(4px); }
.tag { display: inline-flex; min-height: 28px; align-items: center; padding: 4px 10px; border-radius: 999px; color: #4b637b; background: var(--surface-3); font-size: 12px; }
.media { overflow: hidden; background: #dce8f2; }
.media img { width: 100%; height: 100%; object-fit: cover; object-position: center; }

/* header */
.header { height: var(--header); border-bottom: 1px solid rgba(24,62,101,.1); background: rgba(255,255,255,.88); backdrop-filter: blur(20px); }
.header::after { position: absolute; right: 0; bottom: -1px; left: 0; height: 1px; content: ""; background: linear-gradient(90deg,transparent,rgba(23,107,255,.55),transparent); opacity: .38; }
.header.is-scrolled { height: 66px; box-shadow: 0 10px 34px rgba(21,58,95,.1); }
.header-inner { width: min(calc(100% - 56px),1360px); }
.brand { gap: 13px; }
.brand img { width: 132px; filter: brightness(0) saturate(100%) invert(13%) sepia(35%) saturate(1562%) hue-rotate(178deg) brightness(87%) contrast(96%); }
.brand span { padding-left: 13px; border-color: var(--line); color: var(--muted); font-size: 12px; letter-spacing: .04em; }
.nav { gap: clamp(16px,2vw,28px); margin-left: auto; margin-right: 30px; }
.nav a { padding: 10px 0; color: #4b627a; font-size: 13px; letter-spacing: .02em; }
.nav a::after { right: 0; bottom: 2px; left: 0; height: 2px; background: linear-gradient(90deg,var(--blue),var(--cyan)); }
.nav a:hover,.nav a.is-active { color: var(--ink); }
.header-phone { min-height: 40px; padding-inline: 17px; font-size: 13px; }
.mobile-menu { background: #f5f9fd; }
.mobile-menu__nav { max-width: 560px; width: 100%; margin-inline: auto; }
.mobile-menu__nav a { color: var(--ink); }
.mobile-menu__nav a.is-active { color: var(--blue); }

/* dark hero system */
.hero,.sub-hero { position: relative; overflow: hidden; color: #fff; background: var(--navy); }
.hero::before,.sub-hero::before { position: absolute; inset: 0; content: ""; background-image: linear-gradient(rgba(102,189,255,.085) 1px,transparent 1px),linear-gradient(90deg,rgba(102,189,255,.085) 1px,transparent 1px); background-size: 56px 56px; mask-image: linear-gradient(115deg,transparent,#000 28%,#000 74%,transparent); opacity: .82; }
.hero::after,.sub-hero::after { position: absolute; width: 720px; height: 720px; top: -280px; right: -170px; content: ""; border-radius: 50%; background: radial-gradient(circle,rgba(36,142,255,.22),transparent 66%); pointer-events: none; }
.hero-inner,.sub-hero__inner { position: relative; z-index: 1; }
.hero { padding: 146px 0 74px; }
.hero-inner { min-height: 610px; grid-template-columns: minmax(0,.92fr) minmax(470px,1.08fr); gap: 70px; }
.hero .section-label,.sub-hero .section-label { color: var(--cyan); }
.hero h1,.sub-hero h1 { max-width: 690px; margin-bottom: 22px; color: #fff; font-size: clamp(40px,4.6vw,62px); font-weight: 650; line-height: 1.12; letter-spacing: -.045em; }
.hero h1 span,.sub-hero h1 span { display: block; color: var(--cyan); }
.hero-copy,.sub-hero__lead { max-width: 590px; margin-bottom: 30px; color: rgba(229,240,251,.74); font-size: 16px; line-height: 1.9; }
.hero-actions { gap: 11px; }
.hero .button--outline,.sub-hero .button--outline { border-color: rgba(154,207,255,.35); color: #fff; background: rgba(255,255,255,.04); }
.hero .button--outline:hover,.sub-hero .button--outline:hover { border-color: rgba(101,201,255,.72); color: #fff; background: rgba(255,255,255,.09); }
.hero-meta { gap: 10px 24px; margin-top: 30px; color: rgba(199,220,241,.62); font: 12px/1.4 var(--mono); letter-spacing: .03em; }
.hero-meta span::before { width: 5px; height: 5px; margin-right: 8px; background: var(--cyan); box-shadow: 0 0 10px rgba(49,216,255,.7); }
.hero-media { height: 540px; border: 1px solid rgba(116,203,255,.34); border-radius: var(--radius-lg); background: #0c2848; box-shadow: 0 25px 80px rgba(0,0,0,.28); }
.hero-media::before { position: absolute; z-index: 1; inset: 14px; border: 1px solid rgba(169,228,255,.25); border-radius: 17px; content: ""; pointer-events: none; }
.hero-media > img { opacity: .83; filter: saturate(1.06) contrast(1.05); }
.hero-media::after { background: linear-gradient(180deg,transparent 38%,rgba(2,14,31,.88) 100%); }
.hero-media__panel { right: 26px; bottom: 26px; left: 26px; border: 1px solid rgba(178,228,255,.33); border-radius: 13px; background: rgba(6,24,46,.72); backdrop-filter: blur(16px); }
.hero-media__panel div { padding: 16px 18px; border-color: rgba(185,225,248,.18); }
.hero-media__panel strong { color: #fff; font-size: 18px; } .hero-media__panel span { color: rgba(205,226,244,.67); }
.sub-hero { padding: 142px 0 82px; }
.sub-hero__inner { min-height: 510px; grid-template-columns: minmax(0,.92fr) minmax(450px,1.08fr); gap: 72px; }
.sub-hero h1 { font-size: clamp(38px,4.2vw,56px); }
.breadcrumb { margin-bottom: 26px; color: rgba(213,230,245,.58); } .breadcrumb a:hover { color: #fff; } .breadcrumb span { color: rgba(213,230,245,.3); }
.sub-hero__media { height: 430px; border: 1px solid rgba(117,203,255,.32); border-radius: var(--radius-lg); background: #0e2b4d; box-shadow: 0 24px 70px rgba(0,0,0,.25); }
.sub-hero__media::after { background: linear-gradient(135deg,rgba(10,30,54,.05),rgba(4,17,35,.62)); }
.sub-hero__media img { opacity: .87; filter: saturate(.95) contrast(1.06); }

/* numbers / cards */
.metric-strip { border: 1px solid var(--line); background: #fff; box-shadow: var(--shadow); }
.metric { position: relative; padding: 27px 25px 24px; border-color: var(--line); }
.metric::before { position: absolute; top: 0; left: 25px; width: 28px; height: 2px; content: ""; background: var(--blue); }
.metric strong { margin-bottom: 6px; color: var(--ink); font-size: 31px; letter-spacing: -.03em; } .metric strong small { color: var(--blue); font-size: 15px; } .metric > span { color: var(--muted); font-size: 13px; }
.card-grid { gap: 22px; }
.card { position: relative; border-color: var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 10px 34px rgba(30,66,101,.05); transition: transform .35s var(--ease),border-color .35s ease,box-shadow .35s ease; }
.card::after { position: absolute; top: 0; left: 0; width: 46px; height: 2px; content: ""; background: linear-gradient(90deg,var(--blue),var(--cyan)); opacity: .8; }
.card:hover { border-color: rgba(23,107,255,.4); box-shadow: var(--shadow-hover); transform: translateY(-5px); }
.card__image { background: var(--surface-3); }
.card__image img { filter: saturate(.92); }
.card__content { padding: 25px 25px 27px; }
.card__eyebrow { margin-bottom: 11px; color: var(--blue); font: 650 12px/1.4 var(--mono); letter-spacing: .08em; }
.card h3 { margin-bottom: 9px; font-size: 21px; font-weight: 650; } .card p { font-size: 14px; line-height: 1.78; } .card__link { color: var(--blue-deep); font-size: 13px; }
.feature-grid { border-color: var(--line); }
.feature { min-height: 218px; padding: 27px 26px 25px; border-color: var(--line); background: rgba(255,255,255,.78); transition: background .25s ease,box-shadow .25s ease; }
.feature:hover { background: #fff; box-shadow: inset 0 2px 0 var(--blue); }
.feature__num { margin-bottom: 45px; color: var(--blue); font: 650 12px/1.4 var(--mono); letter-spacing: .06em; }
.feature h3 { font-size: 18px; font-weight: 650; } .feature p { font-size: 13px; line-height: 1.8; }
.quote { max-width: 920px; font-size: clamp(28px,3.4vw,48px); font-weight: 580; line-height: 1.38; letter-spacing: -.035em; } .quote span { color: var(--blue); }
.dark-quote { padding: 54px 52px; border: 1px solid rgba(98,194,255,.25); border-radius: var(--radius-lg); background: radial-gradient(circle at 88% 18%,rgba(39,145,255,.28),transparent 28rem),linear-gradient(130deg,#07182f,#0b2d53); box-shadow: 0 26px 70px rgba(4,24,51,.18); }
.dark-quote::after { position: absolute; right: 7%; bottom: -55%; width: 290px; height: 290px; border: 1px solid rgba(84,198,255,.28); border-radius: 50%; content: ""; box-shadow: 0 0 0 25px rgba(84,198,255,.06),0 0 0 52px rgba(84,198,255,.045); }
.dark-quote h2 { color: #fff; } .dark-quote p { color: rgba(229,241,252,.72); }
.cta { min-height: 250px; padding: 46px 48px; border-color: var(--line); border-radius: var(--radius-lg); background: linear-gradient(115deg,#fff,#edf5ff); box-shadow: var(--shadow); }
.cta::after { position: absolute; right: -90px; bottom: -160px; width: 390px; height: 390px; border: 1px solid rgba(23,107,255,.15); border-radius: 50%; content: ""; box-shadow: 0 0 0 22px rgba(23,107,255,.04),0 0 0 50px rgba(23,107,255,.035); }
.cta h2 { font-size: clamp(28px,3.2vw,42px); letter-spacing: -.03em; } .cta p { font-size: 14px; }

/* inner modules */
.split { gap: 70px; } .split__media { border-color: var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.list__item { padding: 18px 0; border-color: var(--line); } .list__item > span { color: var(--blue); font: 650 12px/1.8 var(--mono); } .list__item h3 { font-weight: 650; } .list__item p { font-size: 13px; }
.cards-wide { gap: 22px; } .card-wide { border-color: var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 10px 34px rgba(30,66,101,.05); } .card-wide__content { padding: 31px; }
.museum-intro { gap: 68px; } .museum-intro__aside h2 { font-size: clamp(29px,3vw,42px); letter-spacing: -.035em; }
.museum-category { border-color: var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 8px 26px rgba(30,66,101,.04); }
.travel-platform { min-height: 210px; padding: 25px; border-color: var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 8px 26px rgba(30,66,101,.04); }
.travel-platform span { color: var(--blue); font: 650 12px/1.4 var(--mono); } .travel-platform h3 { margin-top: 42px; }
.robot-stage { gap: 70px; } .robot-visual { border-color: #bbd8ef; border-radius: var(--radius-lg); background: radial-gradient(circle at 50% 40%,#fff,#e3effa); box-shadow: var(--shadow); }
.scene { gap: 70px; padding: 64px 0; border-color: var(--line); } .scene h2 { font-size: clamp(29px,3.2vw,40px); letter-spacing: -.035em; }
.scene__media { border-color: var(--line); border-radius: var(--radius); box-shadow: var(--shadow); } .scene__presentation { background: #eaf3fe; }
.aigc-hero { background: var(--navy); } .aigc-stage { border-color: rgba(110,204,255,.3); border-radius: var(--radius-lg); background: radial-gradient(circle at center,#163e67,#07182f); box-shadow: 0 24px 70px rgba(0,0,0,.25); }
.platform-menu-hero { gap: 64px; } .platform-list { border-color: var(--line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); } .platform-list a:hover { background: #f3f8ff; }
.platform-switcher { gap: 30px; } .platform-tabs { border-color: var(--line); } .platform-tab { border-color: var(--line); } .platform-tab:hover,.platform-tab.is-active { color: var(--blue-deep); }
.platform-panel { padding: 31px; border-color: var(--line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); } .platform-panel__media { background: #edf4fa; }

/* form / footer / motion */
.filter-button { border-color: var(--line); background: #fff; } .filter-button:hover,.filter-button.is-active { border-color: rgba(23,107,255,.4); color: var(--blue-deep); background: #eaf2ff; }
.contact-layout { gap: 64px; } .contact-form { padding: 33px; border-color: var(--line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.field input,.field textarea,.field select { border-color: var(--line-strong); background: #f8fbfe; } .field input:focus,.field textarea:focus,.field select:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(23,107,255,.11); }
.timeline { border-color: var(--line); } .timeline__item::before { border-color: var(--blue); background: var(--bg); box-shadow: 0 0 0 5px rgba(23,107,255,.08); }
.footer { padding: 67px 0 24px; border-color: rgba(110,183,231,.2); color: rgba(219,236,250,.68); background: var(--navy); }
.footer .brand img { filter: none; } .footer .brand span { border-color: rgba(200,226,247,.2); color: rgba(205,226,244,.55); } .footer-brand p { color: rgba(210,229,245,.64); } .footer-col h3 { color: #fff; } .footer-col a,.footer-col span { color: rgba(210,229,245,.63); } .footer-col a:hover { color: var(--cyan); } .footer-bottom { border-color: rgba(200,226,247,.17); color: rgba(198,220,239,.5); }
.reveal { transform: translateY(15px); transition: opacity .6s var(--ease),transform .6s var(--ease); } .reveal.is-visible { transform: none; }
.scroll-progress { background: linear-gradient(90deg,var(--blue),var(--cyan)); }

@media (max-width:1120px) {
  .nav { gap: 15px; margin-right: 18px; } .nav a { font-size: 12px; } .brand span { display: none; }
  .hero-inner,.sub-hero__inner { gap: 42px; } .hero h1 { font-size: clamp(38px,4.5vw,54px); }
}
@media (max-width:960px) {
  .nav,.header-phone { display: none; } .menu-toggle { display: grid; }
  .section { padding: 78px 0; }
  .hero-inner,.sub-hero__inner,.split,.split--reverse,.museum-intro,.robot-stage,.scene,.scene:nth-child(even),.platform-menu-hero,.contact-layout { grid-template-columns: 1fr; }
  .scene:nth-child(even) .scene__copy,.scene:nth-child(even) .scene__media { order: initial; }
  .hero { padding-top: 120px; } .hero-inner { min-height: 0; } .hero-media { height: 500px; }
  .sub-hero { padding-top: 118px; } .sub-hero__inner { min-height: 0; } .sub-hero__media { height: 430px; }
  .museum-intro__aside,.platform-tabs { position: static; } .card-grid { grid-template-columns: repeat(2,minmax(0,1fr)); } .travel-platforms { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .timeline { grid-template-columns: repeat(2,1fr); row-gap: 42px; } .platform-switcher { grid-template-columns: 1fr; } .platform-tabs { display: flex; overflow-x: auto; } .platform-tab { flex: 0 0 auto; padding: 13px 17px; border: 0; }
}
@media (max-width:760px) {
  .container,.header-inner { width: min(calc(100% - 34px),var(--container)); }
  .section { padding: 62px 0; } .section-head { display: block; margin-bottom: 34px; } .section-head .section-copy { margin-top: 15px; } .section-title { font-size: 30px; }
  .hero { padding: 100px 0 54px; } .hero h1,.sub-hero h1 { font-size: 35px; line-height: 1.18; } .hero-copy,.sub-hero__lead { font-size: 15px; line-height: 1.82; }
  .hero-actions { display: grid; } .hero-actions .button { width: 100%; } .hero-media { height: 360px; } .hero-media__panel { right: 15px; bottom: 15px; left: 15px; grid-template-columns: 1fr; }
  .hero-media__panel div { display: flex; align-items: baseline; justify-content: space-between; padding: 10px 13px; border-right: 0; border-bottom: 1px solid rgba(185,225,248,.18); } .hero-media__panel div:last-child { border-bottom: 0; }
  .sub-hero { padding: 100px 0 55px; } .sub-hero__media { height: 320px; }
  .metric-strip { grid-template-columns: 1fr 1fr; } .metric { border-bottom: 1px solid var(--line); } .metric:nth-child(even) { border-right: 0; }
  .card-grid,.card-grid--two,.cards-wide,.travel-platforms,.feature-grid { grid-template-columns: 1fr; } .card-wide { grid-template-columns: 1fr; } .card-wide__image { min-height: 230px; }
  .museum-categories { grid-template-columns: 1fr; } .museum-category:first-child { grid-column: auto; } .museum-category__image,.museum-category:first-child .museum-category__image { height: 230px; }
  .timeline { grid-template-columns: 1fr; } .timeline__item { padding: 0 0 0 25px; } .timeline__item::before { top: 6px; }
  .platform-panel__hero,.platform-features,.form-grid { grid-template-columns: 1fr; } .field--full { grid-column: auto; } .platform-panel { padding: 22px; }
  .contact-form { padding: 25px 20px; } .cta { align-items: flex-start; flex-direction: column; padding: 30px 25px; } .cta .button { width: 100%; } .dark-quote { padding: 37px 26px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 34px 24px; } .footer-brand { grid-column: 1 / -1; } .footer-bottom { align-items: flex-start; flex-direction: column; }
}
@media (max-width:420px) {
  .metric-strip,.footer-grid { grid-template-columns: 1fr; } .footer-brand { grid-column: auto; } .hero-media { height: 300px; } .metric { border-right: 0; border-left: 0; }
}

/* ===== SATURATION PASS / MORE SIGNAL, SAME RESTRAINT ===== */
:root {
  --bg: #edf4fc;
  --surface-2: #e0edfc;
  --surface-3: #cfe3f8;
  --blue: #0968ff;
  --blue-deep: #073eab;
  --cyan: #09d9ff;
  --navy: #041839;
  --navy-2: #0b3470;
}
body { background: linear-gradient(180deg,#edf5ff 0%,#f5f8fc 30%,#eef5fc 100%); }
.hero,.sub-hero { background: linear-gradient(123deg,#041633 0%,#062657 54%,#063d76 100%); }
.hero::after,.sub-hero::after { background: radial-gradient(circle,rgba(0,203,255,.3),transparent 66%); }
.hero::before,.sub-hero::before { background-image: linear-gradient(rgba(104,215,255,.13) 1px,transparent 1px),linear-gradient(90deg,rgba(104,215,255,.13) 1px,transparent 1px); }
.section--soft { position: relative; isolation: isolate; overflow: hidden; background: linear-gradient(132deg,#dcecff 0%,#eef5fd 56%,#e1f3ff 100%); }
.section--soft::before { position: absolute; z-index: -1; inset: 0; content: ""; background-image: linear-gradient(rgba(23,107,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(23,107,255,.055) 1px,transparent 1px); background-size: 48px 48px; mask-image: linear-gradient(110deg,#000,transparent 72%); pointer-events: none; }
.section--soft > .container { position: relative; z-index: 1; }
.section-label { color: #075bd9; }
.hero .section-label,.sub-hero .section-label,.dark-quote .section-label { color: var(--cyan) !important; }
.button--primary { background: linear-gradient(110deg,#0758ef 0%,#008dff 52%,#05cfff 100%); box-shadow: 0 12px 30px rgba(0,114,255,.32); }
.button--primary:hover { background: linear-gradient(110deg,#0642c2,#0067ee 52%,#00b7e6); box-shadow: 0 16px 34px rgba(0,114,255,.4); }
.metric-strip { border-color: rgba(91,174,255,.44); background: linear-gradient(115deg,#062256 0%,#0755bb 56%,#078ed3 100%); box-shadow: 0 18px 42px rgba(7,67,151,.22); }
.metric { border-color: rgba(181,224,255,.23); }
.metric::before { background: var(--cyan); box-shadow: 0 0 14px rgba(9,217,255,.66); }
.metric strong { color: #fff; } .metric strong small { color: var(--cyan); } .metric > span { color: rgba(235,247,255,.78); }
.card::after { width: 70px; background: linear-gradient(90deg,#0561ff,#04d9ff); box-shadow: 0 0 12px rgba(0,176,255,.42); }
.card:hover { border-color: rgba(0,133,255,.58); box-shadow: 0 24px 65px rgba(18,95,190,.2); }
.card__image,.card-wide__image,.museum-category__image,.scene__media { position: relative; }
.card__image::after,.card-wide__image::after,.museum-category__image::after,.scene__media::after { position: absolute; inset: 0; content: ""; background: linear-gradient(145deg,rgba(0,143,255,.18),transparent 48%,rgba(0,27,92,.2)); mix-blend-mode: screen; pointer-events: none; }
.card__image img,.card-wide__image img,.museum-category__image img,.scene__media img { position: relative; z-index: 0; }
.feature { background: rgba(247,251,255,.76); border-color: rgba(96,156,211,.35); }
.feature:nth-child(3n+2) { background: linear-gradient(145deg,rgba(219,239,255,.92),rgba(248,252,255,.82)); }
.feature:nth-child(3n+3) { background: linear-gradient(145deg,rgba(231,246,255,.96),rgba(247,250,255,.82)); }
.feature:hover { background: #fff; box-shadow: inset 0 3px 0 #0874ff,0 15px 36px rgba(26,104,199,.1); }
.feature__num,.card__eyebrow,.travel-platform span { color: #075bd9; }
.travel-platform { border-color: rgba(85,155,217,.38); background: linear-gradient(145deg,#f9fcff,#e4f2ff); box-shadow: 0 12px 32px rgba(31,104,181,.09); }
.travel-platform::after { border-color: rgba(0,133,255,.22); box-shadow: 0 0 0 14px rgba(0,133,255,.06); }
.scene__presentation { border-left-color: #0874ff; background: linear-gradient(100deg,#d8ecff,#eff8ff); }
.platform-list a:hover { background: #e4f2ff; }
.platform-panel { border-color: rgba(82,151,213,.35); box-shadow: 0 18px 52px rgba(25,88,158,.11); }
.platform-panel__media { background: linear-gradient(145deg,#e5f4ff,#cce7ff); }
.cta { border-color: rgba(73,145,218,.38); background: linear-gradient(115deg,#ffffff 0%,#e6f3ff 58%,#d8f6ff 100%); }
.cta::after { border-color: rgba(0,133,255,.24); box-shadow: 0 0 0 22px rgba(0,133,255,.06),0 0 0 50px rgba(0,133,255,.04); }
.footer { background: linear-gradient(130deg,#03142f,#062d60 72%,#064783); }
.scroll-progress { background: linear-gradient(90deg,#075dff,#00dfff); box-shadow: 0 0 9px rgba(0,196,255,.8); }

/* ===== STRIPE-INSPIRED SYSTEM / LIGHT GRADIENT STAGE ===== */
:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-2: #f6f5fb;
  --surface-3: #eceaf8;
  --ink: #0a2540;
  --text: #42536a;
  --muted: #64748b;
  --line: #d9dce8;
  --line-strong: #bfc6d8;
  --blue: #635bff;
  --blue-deep: #3d35c9;
  --cyan: #00b9d8;
  --navy: #0a2540;
  --navy-2: #152f50;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow: 0 12px 34px rgba(17,32,64,.08);
  --shadow-hover: 0 22px 52px rgba(47,42,128,.16);
}

html { background: #fff; }
body { color: var(--text); background: #fff; }
.container { width: min(calc(100% - 64px), 1180px); }
.section { padding: 112px 0; }
.section--soft { background: #f7f6fb; }
.section--soft::before { display: none; }
.section-label { margin-bottom: 18px; color: var(--blue); font: 600 12px/1.35 var(--mono); letter-spacing: .05em; }
.section-label::before { width: 18px; height: 2px; background: currentColor; }
.section-head { grid-template-columns: minmax(0,1fr) minmax(280px,390px); gap: 72px; margin-bottom: 52px; }
.section-title { color: var(--ink); font-size: clamp(30px,3.35vw,48px); font-weight: 620; line-height: 1.16; letter-spacing: -.045em; }
.section-copy { color: #52647b; font-size: 15px; line-height: 1.85; }
.accent { color: var(--blue); }

/* Stripe-like nav: calm, compact, with pill action */
.header { height: 72px; border-bottom: 1px solid rgba(10,37,64,.1); background: rgba(255,255,255,.84); box-shadow: none; backdrop-filter: blur(18px); }
.header::after { display: none; }
.header.is-scrolled { height: 64px; box-shadow: 0 8px 24px rgba(16,34,64,.08); }
.header-inner { width: min(calc(100% - 64px), 1240px); }
.brand { gap: 11px; }
.brand img { width: 128px; filter: brightness(0) saturate(100%) invert(13%) sepia(22%) saturate(1656%) hue-rotate(172deg) brightness(91%) contrast(98%); }
.brand span { display: none; }
.nav { gap: 25px; margin-right: 28px; }
.nav a { padding: 10px 0; color: #2d4560; font-size: 13px; font-weight: 550; }
.nav a::after { bottom: 1px; height: 2px; background: var(--blue); }
.nav a:hover,.nav a.is-active { color: var(--blue-deep); }
.header-phone { min-height: 38px; padding: 0 18px; border-radius: 999px; color: #fff; background: var(--ink); box-shadow: none; }
.header-phone:hover { background: #1b3d60; box-shadow: 0 8px 18px rgba(10,37,64,.18); }
.menu-toggle { border-radius: 999px; }

/* large, airy gradient stage */
.hero,.sub-hero { color: var(--ink); background: #f8f7fc; }
.hero::before,.sub-hero::before { inset: auto -8% -32%; width: 116%; height: 88%; background: linear-gradient(116deg,rgba(245,239,255,.98) 5%,rgba(220,214,255,.92) 33%,rgba(160,230,244,.9) 72%,rgba(255,232,228,.86) 100%); clip-path: polygon(0 38%,10% 22%,24% 27%,39% 4%,56% 17%,71% 0,88% 14%,100% 2%,100% 100%,0 100%); mask-image: none; opacity: 1; }
.hero::after,.sub-hero::after { top: -240px; right: -130px; width: 670px; height: 670px; background: radial-gradient(circle,rgba(99,91,255,.23),rgba(99,91,255,0) 68%); }
.hero-inner,.sub-hero__inner { z-index: 2; }
.hero { padding: 142px 0 80px; }
.hero-inner { min-height: 600px; grid-template-columns: minmax(0,.88fr) minmax(470px,1.12fr); gap: 80px; }
.hero .section-label,.sub-hero .section-label { color: var(--blue); }
.hero h1,.sub-hero h1 { max-width: 640px; margin-bottom: 22px; color: var(--ink); font-size: clamp(40px,4.7vw,62px); font-weight: 620; line-height: 1.08; letter-spacing: -.055em; }
.hero h1 span,.sub-hero h1 span { display: block; color: var(--blue); background: linear-gradient(100deg,#5148e9 5%,#189bd1 76%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-copy,.sub-hero__lead { max-width: 565px; margin-bottom: 31px; color: #40536a; font-size: 16px; line-height: 1.88; }
.hero .button--primary,.sub-hero .button--primary { color: #fff; background: var(--ink); box-shadow: 0 10px 22px rgba(10,37,64,.16); }
.hero .button--primary:hover,.sub-hero .button--primary:hover { background: #1b456b; box-shadow: 0 13px 27px rgba(10,37,64,.22); }
.hero .button--outline,.sub-hero .button--outline { border-color: rgba(10,37,64,.24); color: var(--ink); background: rgba(255,255,255,.72); }
.hero .button--outline:hover,.sub-hero .button--outline:hover { border-color: var(--blue); color: var(--blue-deep); background: #fff; }
.hero-meta { margin-top: 31px; color: #53657b; font: 12px/1.4 var(--mono); }
.hero-meta span::before { background: var(--blue); box-shadow: none; }
.hero-media { height: 515px; border: 1px solid rgba(47,52,130,.26); border-radius: 20px; background: #102d4d; box-shadow: 0 23px 52px rgba(50,44,129,.18); }
.hero-media::before { inset: 12px; border-color: rgba(255,255,255,.32); border-radius: 13px; }
.hero-media > img { opacity: .9; filter: saturate(1.08) contrast(1.02); }
.hero-media::after { background: linear-gradient(180deg,rgba(8,30,56,.02) 34%,rgba(6,22,44,.82) 100%); }
.hero-media__panel { right: 22px; bottom: 22px; left: 22px; border: 1px solid rgba(255,255,255,.4); border-radius: 11px; background: rgba(10,37,64,.78); }
.hero-media__panel div { padding: 14px 17px; border-color: rgba(255,255,255,.18); }
.hero-media__panel strong { font-size: 17px; } .hero-media__panel span { color: rgba(255,255,255,.72); }
.sub-hero { padding: 135px 0 82px; }
.sub-hero__inner { min-height: 480px; grid-template-columns: minmax(0,.92fr) minmax(440px,1.08fr); gap: 76px; }
.sub-hero h1 { font-size: clamp(38px,4.2vw,56px); }
.breadcrumb { margin-bottom: 24px; color: #68788c; } .breadcrumb a:hover { color: var(--blue); } .breadcrumb span { color: #aab3bf; }
.sub-hero__media { height: 415px; border-color: rgba(47,52,130,.26); border-radius: 20px; background: #122f50; box-shadow: 0 23px 52px rgba(50,44,129,.16); }
.sub-hero__media::after { background: linear-gradient(135deg,rgba(10,30,54,.02),rgba(4,17,35,.58)); }

/* modular cards, thin lines, no heavy enterprise blocks */
.metric-strip { border: 1px solid #d8dbe9; background: #fff; box-shadow: 0 12px 28px rgba(21,33,66,.06); }
.metric { padding: 26px 24px 23px; border-color: #e0e2eb; }
.metric::before { left: 24px; width: 23px; background: var(--blue); box-shadow: none; }
.metric strong { color: var(--ink); font-size: 30px; } .metric strong small { color: var(--blue); } .metric > span { color: #63748a; }
.card-grid { gap: 22px; }
.card { border-color: #d9dce8; border-radius: 14px; background: #fff; box-shadow: none; }
.card::after { width: 50px; height: 2px; background: var(--blue); box-shadow: none; }
.card:hover { border-color: rgba(99,91,255,.56); box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.card__image { aspect-ratio: 16 / 9; }
.card__image::after,.card-wide__image::after,.museum-category__image::after,.scene__media::after { background: linear-gradient(145deg,rgba(99,91,255,.18),transparent 52%,rgba(0,185,216,.16)); mix-blend-mode: screen; }
.card__content { padding: 24px 24px 26px; }
.card__eyebrow { color: var(--blue); font-size: 12px; letter-spacing: .06em; }
.card h3 { color: var(--ink); font-size: 20px; } .card p { color: #5c6e84; }
.card__link { color: var(--blue-deep); }
.feature-grid { border-color: #d9dce8; }
.feature { min-height: 210px; padding: 26px 25px 24px; border-color: #d9dce8; background: #fff; }
.feature:nth-child(3n+2),.feature:nth-child(3n+3) { background: #fff; }
.feature:hover { background: #faf9ff; box-shadow: inset 0 2px 0 var(--blue); }
.feature__num { margin-bottom: 43px; color: var(--blue); }
.feature h3 { color: var(--ink); font-size: 18px; } .feature p { color: #5d6e82; }
.quote { max-width: 900px; color: var(--ink); font-size: clamp(28px,3.45vw,48px); }
.quote span { color: var(--blue); }
.dark-quote { border: 0; border-radius: 18px; background: linear-gradient(115deg,#0a2540 0%,#283c98 60%,#1679ae 100%); box-shadow: 0 22px 52px rgba(22,31,87,.2); }
.dark-quote::after { border-color: rgba(255,255,255,.25); box-shadow: 0 0 0 24px rgba(255,255,255,.06),0 0 0 52px rgba(255,255,255,.04); }
.cta { min-height: 238px; padding: 42px 44px; border-color: #d9dce8; border-radius: 18px; background: linear-gradient(112deg,#f6f5ff 0%,#f2fbfd 100%); box-shadow: none; }
.cta::after { border-color: rgba(99,91,255,.18); box-shadow: 0 0 0 24px rgba(99,91,255,.045),0 0 0 55px rgba(0,185,216,.04); }
.cta h2 { color: var(--ink); font-size: clamp(28px,3vw,40px); }

/* inner pages */
.split { gap: 68px; }
.split__media { border-color: #d9dce8; border-radius: 14px; box-shadow: none; }
.list__item { padding: 18px 0; border-color: #d9dce8; } .list__item > span { color: var(--blue); } .list__item h3 { color: var(--ink); } .list__item p { color: #5d6e82; }
.cards-wide { gap: 22px; }
.card-wide { border-color: #d9dce8; border-radius: 14px; background: #fff; box-shadow: none; }
.card-wide__content { padding: 29px; } .card-wide__content h3 { color: var(--ink); }
.museum-intro { gap: 66px; }
.museum-intro__aside h2 { color: var(--ink); font-size: clamp(29px,3vw,41px); }
.museum-category { border-color: #d9dce8; border-radius: 14px; background: #fff; box-shadow: none; }
.travel-platform { min-height: 205px; border-color: #d9dce8; border-radius: 14px; background: #fff; box-shadow: none; }
.travel-platform span { color: var(--blue); } .travel-platform h3 { color: var(--ink); }
.travel-platform::after { border-color: rgba(99,91,255,.2); box-shadow: 0 0 0 14px rgba(99,91,255,.04); }
.robot-visual { border-color: #d5d8e8; border-radius: 18px; background: linear-gradient(135deg,#f4f1ff,#e8fbfc); box-shadow: none; }
.scene { gap: 68px; padding: 64px 0; border-color: #d9dce8; }
.scene h2 { color: var(--ink); } .scene__media { border-color: #d9dce8; border-radius: 14px; box-shadow: none; }
.scene__presentation { border-left-color: var(--blue); background: #f0efff; }
.aigc-stage { border-color: #d5d8e8; border-radius: 18px; background: linear-gradient(135deg,#0a2540,#302b8f); box-shadow: 0 20px 46px rgba(33,29,110,.18); }
.platform-menu-hero { gap: 62px; }
.platform-list { border-color: #d9dce8; border-radius: 14px; background: #fff; box-shadow: none; }
.platform-list a:hover { background: #f1f0ff; }
.platform-switcher { gap: 30px; }
.platform-tab { border-color: #d9dce8; } .platform-tab:hover,.platform-tab.is-active { color: var(--blue-deep); }
.platform-panel { padding: 30px; border-color: #d9dce8; border-radius: 14px; background: #fff; box-shadow: none; }
.platform-panel__media { background: linear-gradient(135deg,#f1efff,#e9fbfd); }

/* forms, footer */
.filter-button { border-color: #d9dce8; color: #5d6e82; background: #fff; } .filter-button:hover,.filter-button.is-active { border-color: rgba(99,91,255,.5); color: var(--blue-deep); background: #f0efff; }
.contact-form { padding: 32px; border-color: #d9dce8; border-radius: 14px; background: #fff; box-shadow: none; }
.contact-form h2 { color: var(--ink); }
.field input,.field textarea,.field select { border-color: #c7ccdb; background: #fbfbfd; } .field input:focus,.field textarea:focus,.field select:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(99,91,255,.13); }
.faq__item,.faq { border-color: #d9dce8; }
.faq__question { color: var(--ink); }
.footer { padding: 65px 0 22px; border-top: 0; background: #0a2540; }
.footer .brand img { filter: none; }

@media (max-width:960px) {
  .container { width: min(calc(100% - 48px),1180px); }
  .hero-inner,.sub-hero__inner { gap: 46px; }
  .hero-media { height: 480px; }
  .sub-hero__media { height: 400px; }
}
@media (max-width:760px) {
  .container,.header-inner { width: min(calc(100% - 34px),1180px); }
  .section { padding: 72px 0; }
  .section-head { margin-bottom: 36px; }
  .hero { padding: 108px 0 60px; }
  .hero h1,.sub-hero h1 { font-size: 36px; line-height: 1.14; }
  .hero-media { height: 340px; border-radius: 16px; }
  .sub-hero { padding: 104px 0 60px; }
  .sub-hero__media { height: 315px; border-radius: 16px; }
  .hero-media__panel { right: 15px; bottom: 15px; left: 15px; }
  .metric-strip { grid-template-columns: 1fr 1fr; }
  .metric { padding: 23px 18px 20px; }
  .metric::before { left: 18px; }
  .metric strong { font-size: 27px; }
  .cta { padding: 32px 26px; }
}
@media (max-width:420px) {
  .metric-strip { grid-template-columns: 1fr; }
  .metric { border-right: 0; }
}

/* metric readability */
.metric {
  min-height: 154px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 30px 28px 28px;
}
.metric::before { left: 28px; width: 30px; height: 3px; }
.metric strong {
  margin-bottom: 10px;
  font-size: 36px;
  line-height: 1.05;
  letter-spacing: -.035em;
}
.metric strong small { font-size: 18px; }
.metric > span { font-size: 16px; line-height: 1.5; }

@media (max-width:760px) {
  .metric { min-height: 132px; padding: 25px 20px 23px; }
  .metric::before { left: 20px; width: 26px; }
  .metric strong { font-size: 31px; }
  .metric strong small { font-size: 16px; }
  .metric > span { font-size: 15px; }
}

@media (max-width:420px) {
  .metric { min-height: 118px; }
}