:root {
  color-scheme: light;
  --navy-950: #04111e;
  --navy-900: #061523;
  --navy-850: #081b2d;
  --navy-800: #0b2137;
  --blue-500: #168cff;
  --blue-400: #2aa8ff;
  --cyan-500: #17b9b5;
  --amber-500: #f2aa24;
  --ink: #071525;
  --ink-soft: #536276;
  --line: #dbe4ee;
  --white: #fff;
  --surface: #f4f8fc;
  --shadow: 0 28px 70px rgba(2, 15, 30, 0.22);
  --radius-lg: 16px;
  --radius-md: 10px;
  --shell: 1480px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

main section[id] {
  scroll-margin-top: 85px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.menu-open,
body.dialog-open {
  overflow: hidden;
}

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

[hidden] {
  display: none !important;
}

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

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

button {
  color: inherit;
}

.shell {
  width: min(var(--shell), calc(100% - 96px));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 999;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  color: var(--white);
  background: var(--blue-500);
  transform: translateY(-150%);
  transition: transform 0.2s;
}

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

.site-header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  color: var(--white);
  border-bottom: 1px solid transparent;
  transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.site-header.is-scrolled,
.site-header.is-menu-open {
  background: rgba(4, 17, 30, 0.94);
  border-color: rgba(111, 174, 221, 0.16);
  box-shadow: 0 14px 36px rgba(0, 8, 17, 0.18);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: grid;
  grid-template-columns: 270px 1fr auto;
  align-items: center;
  min-height: 84px;
  gap: 32px;
}

.brand {
  display: inline-flex;
  align-items: center;
  width: min(250px, 100%);
}

.brand img,
.footer-brand img {
  width: 100%;
  height: auto;
}

.desktop-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(22px, 2.3vw, 46px);
  font-size: 16px;
  font-weight: 600;
  white-space: nowrap;
}

.desktop-nav a {
  position: relative;
  padding: 29px 0 26px;
  color: rgba(255, 255, 255, 0.82);
  transition: color 0.2s ease;
}

.desktop-nav a::after {
  position: absolute;
  inset: auto 0 19px;
  height: 2px;
  background: var(--blue-400);
  content: "";
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.25s var(--ease);
}

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

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 26px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  transition: transform 0.2s var(--ease), background 0.2s ease, border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.button svg {
  width: 18px;
  height: 18px;
  margin-left: 12px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

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

.button:focus-visible,
.solution-rail button:focus-visible,
.product-tabs button:focus-visible,
.menu-toggle:focus-visible,
.dialog-close:focus-visible {
  outline: 3px solid rgba(42, 168, 255, 0.45);
  outline-offset: 3px;
}

.button-primary {
  color: var(--white);
  background: var(--blue-500);
  box-shadow: 0 14px 34px rgba(22, 140, 255, 0.24);
}

.button-primary:hover {
  background: #0d7fe9;
  box-shadow: 0 18px 38px rgba(22, 140, 255, 0.32);
}

.button-ghost {
  color: #cfe9ff;
  border-color: rgba(70, 172, 246, 0.75);
  background: rgba(5, 24, 42, 0.58);
}

.button-ghost:hover {
  border-color: var(--blue-400);
  background: rgba(25, 110, 175, 0.18);
}

.header-cta {
  min-height: 46px;
  padding-inline: 22px;
}

.menu-toggle,
.mobile-menu {
  display: none;
}

.hero {
  position: relative;
  min-height: 720px;
  overflow: hidden;
  color: var(--white);
  background-color: #061522;
  background-image:
    linear-gradient(90deg, rgba(3, 14, 25, 0.97) 0%, rgba(3, 14, 25, 0.88) 34%, rgba(3, 14, 25, 0.5) 61%, rgba(3, 14, 25, 0.16) 100%),
    linear-gradient(180deg, rgba(3, 14, 25, 0.14) 0%, rgba(3, 14, 25, 0.04) 58%, rgba(3, 14, 25, 0.52) 100%),
    url("assets/generated/unique/home-hero-airport-photo-v3.webp");
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}

.hero::after {
  position: absolute;
  inset: auto 0 0;
  height: 140px;
  background: linear-gradient(180deg, transparent, rgba(3, 14, 25, 0.52));
  content: "";
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  min-height: 720px;
  padding-top: 88px;
}

.hero-copy {
  width: min(760px, 60%);
  padding-bottom: 8px;
}

.hero h1 {
  margin: 0 0 30px;
  max-width: 720px;
  font-size: clamp(44px, 3.1vw, 56px);
  line-height: 1.26;
  letter-spacing: -0.045em;
}

.hero-copy > p {
  max-width: 650px;
  margin: 0;
  color: #b5c8d9;
  font-size: clamp(17px, 1.2vw, 21px);
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  margin-top: 38px;
  gap: 16px;
}

.media-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(47, 126, 184, 0.72);
  border-radius: var(--radius-lg);
  background: var(--navy-850);
  box-shadow: var(--shadow);
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 1;
  transition: opacity 0.28s ease;
}

.media-frame img.is-switching {
  opacity: 0;
}

.product-media::after {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: inherit;
  content: "";
  pointer-events: none;
}

.proof {
  position: relative;
  z-index: 4;
  background: var(--white);
  box-shadow: 0 -16px 45px rgba(1, 15, 29, 0.08);
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  min-height: 205px;
}

.proof-item {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 34px 24px;
  gap: 22px;
}

.proof-item:not(:last-child)::after {
  position: absolute;
  top: 31%;
  right: 0;
  width: 1px;
  height: 38%;
  background: var(--line);
  content: "";
}

.proof-icon {
  flex: 0 0 58px;
  color: var(--blue-500);
}

.proof-icon svg {
  width: 58px;
  height: 58px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.proof-icon-cyan {
  color: var(--cyan-500);
}

.proof-icon-amber {
  color: var(--amber-500);
}

.proof-item strong,
.proof-item span {
  display: block;
}

.proof-item strong [data-count] {
  display: inline;
}

.proof-item strong {
  color: var(--blue-500);
  font-size: clamp(38px, 3vw, 55px);
  font-weight: 650;
  line-height: 1;
  letter-spacing: -0.04em;
}

.proof-item:nth-child(2) strong {
  color: var(--cyan-500);
}

.proof-item:nth-child(4) strong {
  color: var(--amber-500);
}

.proof-item > div > span {
  margin-top: 10px;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.section {
  padding: 118px 0;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(520px, 0.92fr) minmax(420px, 0.62fr);
  align-items: end;
  justify-content: space-between;
  gap: 80px;
}

.section-heading h2,
.product-copy h2,
.about-copy h2 {
  margin: 0;
  font-size: clamp(38px, 3.25vw, 58px);
  line-height: 1.2;
  letter-spacing: -0.04em;
}

.section-heading > p {
  max-width: 640px;
  margin: 0 0 8px;
  color: var(--ink-soft);
  font-size: 18px;
  line-height: 1.9;
}

.solution-rail {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 64px 0 48px;
}

.solution-rail button {
  position: relative;
  display: grid;
  place-items: center;
  min-width: 150px;
  padding: 0;
  color: #64758a;
  border: 0;
  background: transparent;
  cursor: pointer;
  gap: 11px;
  transition: color 0.2s ease, transform 0.25s var(--ease);
}

.solution-rail button:hover {
  color: var(--blue-500);
  transform: translateY(-3px);
}

.solution-rail button svg {
  width: 38px;
  height: 38px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.55;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.solution-rail button span {
  font-size: 15px;
  font-weight: 650;
  white-space: nowrap;
}

.solution-rail button.is-active {
  color: var(--blue-500);
}

.solution-rail button.is-active::before {
  position: absolute;
  top: -15px;
  width: 62px;
  height: 62px;
  border: 1px solid rgba(22, 140, 255, 0.24);
  border-radius: 50%;
  content: "";
  box-shadow: 0 0 0 8px rgba(22, 140, 255, 0.035);
}

.rail-line {
  flex: 1 1 100px;
  height: 1px;
  margin: 0 18px 30px;
  background: linear-gradient(90deg, var(--line), var(--blue-500), var(--line));
  opacity: 0.78;
}

.solution-stage {
  display: grid;
  grid-template-columns: minmax(0, 1.24fr) minmax(420px, 0.76fr);
  align-items: center;
  gap: clamp(58px, 6vw, 108px);
}

.solution-media {
  aspect-ratio: 1.78;
}

.section-index {
  margin: 0 0 18px;
  color: var(--blue-500);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.solution-copy h3,
.product-detail h3 {
  margin: 0;
  font-size: clamp(29px, 2.3vw, 42px);
  line-height: 1.25;
  letter-spacing: -0.025em;
}

.solution-description,
.product-detail > p:not(.section-index) {
  margin: 18px 0 26px;
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 1.85;
}

.feature-list,
.product-features,
.lifecycle ol,
.timeline {
  margin: 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  display: flex;
  align-items: center;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  gap: 16px;
}

.feature-list li > span {
  color: var(--blue-500);
  font-size: 12px;
  font-weight: 750;
}

.feature-list strong,
.feature-list small {
  display: block;
}

.feature-list strong {
  font-size: 16px;
}

.feature-list small {
  margin-top: 2px;
  color: #77869a;
  font-size: 13px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  margin-top: 28px;
  color: var(--blue-500);
  font-weight: 750;
  gap: 11px;
}

.text-link span {
  transition: transform 0.2s ease;
}

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

.product-band {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 28% 50%, rgba(13, 111, 185, 0.18), transparent 31%),
    linear-gradient(115deg, var(--navy-950), var(--navy-900));
}

.product-band::before {
  position: absolute;
  inset: 0;
  opacity: 0.16;
  background-image:
    linear-gradient(rgba(56, 145, 206, 0.13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 145, 206, 0.13) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(90deg, #000, transparent 78%);
  content: "";
}

.product-layout,
.lifecycle {
  position: relative;
  z-index: 1;
}

.product-layout {
  display: grid;
  grid-template-columns: minmax(650px, 1.15fr) minmax(480px, 0.85fr);
  align-items: center;
  gap: clamp(56px, 6vw, 105px);
}

.product-media {
  aspect-ratio: 1.78;
  border-color: rgba(66, 153, 215, 0.55);
  box-shadow: 0 42px 90px rgba(0, 4, 12, 0.55);
}

.product-copy h2 {
  margin-bottom: 36px;
}

.product-tabs {
  display: flex;
  overflow-x: auto;
  border-bottom: 1px solid rgba(135, 182, 215, 0.23);
  scrollbar-width: none;
}

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

.product-tabs button {
  flex: 0 0 auto;
  padding: 0 16px 13px;
  color: #9eb2c3;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  cursor: pointer;
  font-size: 14px;
  font-weight: 650;
  white-space: nowrap;
}

.product-tabs button:first-child {
  padding-left: 0;
}

.product-tabs button.is-active {
  color: var(--blue-400);
  border-color: var(--blue-400);
}

.product-detail {
  padding-top: 30px;
}

.product-detail > p:not(.section-index) {
  color: #9fb3c5;
}

.product-features {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 28px 0 34px;
  border-top: 1px solid rgba(135, 182, 215, 0.18);
  border-left: 1px solid rgba(135, 182, 215, 0.18);
}

.product-features li {
  padding: 13px 15px;
  color: #c9d9e7;
  border-right: 1px solid rgba(135, 182, 215, 0.18);
  border-bottom: 1px solid rgba(135, 182, 215, 0.18);
  font-size: 14px;
}

.lifecycle {
  margin-top: 120px;
  padding-top: 86px;
  border-top: 1px solid rgba(135, 182, 215, 0.18);
  scroll-margin-top: 100px;
}

.lifecycle-media {
  position: absolute;
  z-index: -1;
  top: 1px;
  right: -8%;
  width: 70%;
  height: 590px;
  opacity: 0.52;
  mask-image: linear-gradient(90deg, transparent 0%, #000 30%, #000 72%, transparent 100%);
}

.lifecycle-media::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(4, 17, 30, 0.08), var(--navy-950) 96%);
  content: "";
}

.lifecycle-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.86) contrast(1.08);
}

.lifecycle-intro {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
  gap: 0;
}

.lifecycle-intro h2 {
  max-width: 920px;
  margin: 0;
  font-size: clamp(38px, 3.7vw, 58px);
  line-height: 1.22;
  letter-spacing: -0.04em;
}

.lifecycle-intro p {
  max-width: 760px;
  margin: 25px 0 0;
  color: #9fb3c5;
  font-size: 17px;
  line-height: 1.9;
}

.lifecycle-intro .button {
  justify-self: start;
  margin-top: 32px;
  white-space: nowrap;
}

.home-capability-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 72px;
  border-top: 1px solid rgba(135, 182, 215, 0.2);
  border-bottom: 1px solid rgba(135, 182, 215, 0.2);
}

.home-capability {
  min-height: 290px;
  padding: 40px clamp(22px, 2.2vw, 38px) 38px;
  border-right: 1px solid rgba(135, 182, 215, 0.2);
}

.home-capability:first-child {
  border-left: 1px solid rgba(135, 182, 215, 0.2);
}

.home-capability-icon {
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  color: var(--blue-400);
  border: 1px solid rgba(42, 168, 255, 0.55);
  background: rgba(5, 29, 49, 0.68);
}

.home-capability-icon svg {
  width: 30px;
  height: 30px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.home-capability h3 {
  margin: 28px 0 0;
  font-size: 21px;
}

.home-capability p {
  margin: 15px 0 0;
  color: #8fa5b8;
  font-size: 14px;
  line-height: 1.85;
}

.lifecycle-flow {
  position: relative;
  z-index: 2;
  margin-top: 72px;
}

.lifecycle-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 38px;
}

.lifecycle-heading h3 {
  margin: 0;
  font-size: 30px;
}

.lifecycle-heading p {
  margin: 0;
  color: #8ca3b7;
}

.lifecycle ol {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
}

.lifecycle ol::before {
  position: absolute;
  top: 18px;
  left: 7%;
  right: 7%;
  height: 1px;
  background: linear-gradient(90deg, transparent, #267bc0 10%, #267bc0 90%, transparent);
  content: "";
}

.lifecycle li {
  position: relative;
  text-align: center;
}

.lifecycle li span {
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 37px;
  height: 37px;
  margin: 0 auto 18px;
  color: #97cdf3;
  border: 1px solid #267bc0;
  border-radius: 50%;
  background: var(--navy-900);
  font-size: 11px;
}

.lifecycle li:nth-child(3) span,
.lifecycle li:nth-child(5) span {
  color: var(--amber-500);
  border-color: rgba(242, 170, 36, 0.72);
}

.lifecycle strong,
.lifecycle small {
  display: block;
}

.lifecycle strong {
  font-size: 17px;
}

.lifecycle small {
  margin-top: 5px;
  color: #879bad;
  font-size: 13px;
}

.cases {
  background: var(--white);
}

.cases-heading {
  margin-bottom: 68px;
}

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

.case-row {
  display: grid;
  grid-template-columns: minmax(520px, 0.95fr) minmax(420px, 0.65fr);
  align-items: stretch;
  min-height: 390px;
  border-bottom: 1px solid var(--line);
}

.case-row-reverse {
  grid-template-columns: minmax(420px, 0.65fr) minmax(520px, 0.95fr);
}

.case-row-reverse .case-media {
  order: 2;
}

.case-media {
  position: relative;
  overflow: hidden;
  background: var(--navy-900);
}

.case-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}

.case-row:hover .case-media img {
  transform: scale(1.025);
}

.case-media span {
  position: absolute;
  top: 24px;
  left: 24px;
  padding: 7px 11px;
  color: var(--white);
  background: rgba(4, 17, 30, 0.78);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.08em;
  backdrop-filter: blur(8px);
}

.case-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(42px, 5vw, 82px);
}

.case-number {
  color: var(--blue-500);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.14em;
}

.case-copy h3 {
  margin: 15px 0 18px;
  font-size: clamp(27px, 2.3vw, 40px);
  line-height: 1.3;
}

.case-copy p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 16px;
}

.case-copy strong {
  margin-top: 32px;
  color: var(--ink);
  font-size: 16px;
}

.section-page-cta {
  display: flex;
  justify-content: center;
  margin-top: 58px;
}

.case-copy strong::before {
  display: inline-block;
  width: 22px;
  height: 2px;
  margin-right: 11px;
  vertical-align: middle;
  background: var(--blue-500);
  content: "";
}

.about {
  position: relative;
  overflow: hidden;
  padding: 98px 0;
  background:
    linear-gradient(90deg, rgba(22, 140, 255, 0.055), transparent 43%),
    #f6faff;
}

.about::after {
  content: none;
}

.about-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(440px, 0.7fr) minmax(650px, 1.1fr);
  align-items: center;
  gap: 80px;
}

.about-copy h2 {
  font-size: clamp(34px, 2.8vw, 50px);
}

.about-copy p {
  max-width: 610px;
  margin: 24px 0 0;
  color: var(--ink-soft);
  font-size: 16px;
}

.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding-top: 34px;
}

.timeline::before {
  position: absolute;
  top: 8px;
  left: 4px;
  right: 4px;
  height: 1px;
  background: linear-gradient(90deg, var(--blue-500), #bddbf3);
  content: "";
}

.timeline li {
  position: relative;
  padding-right: 28px;
}

.timeline li::before {
  position: absolute;
  top: -31px;
  left: 0;
  width: 9px;
  height: 9px;
  border: 2px solid #f6faff;
  border-radius: 50%;
  background: var(--blue-500);
  box-shadow: 0 0 0 3px rgba(22, 140, 255, 0.14);
  content: "";
}

.timeline span,
.timeline strong,
.timeline small {
  display: block;
}

.timeline span {
  color: var(--blue-500);
  font-size: 25px;
  font-weight: 750;
}

.timeline strong {
  margin-top: 8px;
  font-size: 16px;
}

.timeline small {
  margin-top: 4px;
  color: #718297;
  font-size: 13px;
}

.contact-band {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background: var(--navy-900);
}

.contact-band::after {
  position: absolute;
  inset: 0;
  opacity: 0.18;
  background-image:
    linear-gradient(18deg, transparent 48%, rgba(42, 168, 255, 0.36) 49%, transparent 50%),
    linear-gradient(-18deg, transparent 48%, rgba(42, 168, 255, 0.22) 49%, transparent 50%);
  background-size: 170px 90px;
  content: "";
}

.contact-sky {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 54%;
  height: 100%;
  opacity: 0.38;
  background-image: url("assets/generated/footer-airport-panorama-v2.webp");
  background-repeat: no-repeat;
  background-position: right center;
  background-size: cover;
  mask-image: linear-gradient(90deg, transparent, #000 35%);
}

.contact-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 220px;
  gap: 40px;
}

.contact-inner h2 {
  margin: 0;
  font-size: clamp(32px, 2.6vw, 46px);
}

.contact-inner p {
  margin: 12px 0 0;
  color: #a8bdcf;
  font-size: 17px;
}

.contact-actions {
  display: flex;
  gap: 16px;
}

.phone-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  color: var(--white);
  border: 1px solid rgba(89, 166, 222, 0.7);
  border-radius: 4px;
  font-size: 18px;
  font-weight: 650;
}

.phone-link svg {
  width: 21px;
  height: 21px;
  margin-right: 10px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.phone-link-label {
  margin-right: 10px;
  padding: 3px 8px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  color: #bcd9ef;
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.08em;
  line-height: 1.4;
  white-space: nowrap;
}

.site-footer {
  color: #9fb3c5;
  background: #030e19;
}

.footer-grid {
  display: grid;
  grid-template-columns: 290px 1fr minmax(300px, 0.75fr);
  align-items: center;
  padding: 55px 0 38px;
  gap: 60px;
}

.footer-brand {
  width: 250px;
}

.footer-brand p {
  margin: 10px 0 0;
  font-size: 13px;
  letter-spacing: 0.16em;
}

.footer-grid nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 30px;
  color: #c2d1de;
  font-size: 14px;
}

.footer-grid a:hover {
  color: var(--blue-400);
}

.footer-contact {
  display: grid;
  justify-items: end;
  gap: 6px;
  text-align: right;
  font-size: 13px;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding: 22px 0 30px;
  border-top: 1px solid rgba(135, 182, 215, 0.13);
  font-size: 12px;
}

.contact-dialog {
  width: min(760px, calc(100% - 32px));
  max-height: min(880px, calc(100vh - 32px));
  padding: 0;
  overflow: auto;
  color: var(--ink);
  border: 0;
  border-radius: 14px;
  box-shadow: 0 40px 120px rgba(0, 8, 20, 0.44);
}

.contact-dialog::backdrop {
  background: rgba(1, 10, 20, 0.76);
  backdrop-filter: blur(8px);
}

.dialog-close {
  position: absolute;
  z-index: 3;
  top: 18px;
  right: 20px;
  width: 38px;
  height: 38px;
  color: #d5e7f6;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  background: rgba(4, 17, 30, 0.5);
  cursor: pointer;
  font-size: 26px;
  line-height: 1;
}

.dialog-intro {
  padding: 48px 54px 38px;
  color: var(--white);
  background: var(--navy-900);
}

.dialog-intro span {
  color: var(--blue-400);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.16em;
}

.dialog-intro h2 {
  margin: 8px 0 10px;
  font-size: 38px;
}

.dialog-intro p {
  margin: 0;
  color: #a9bdce;
}

.direct-contact-options {
  display: grid;
  padding: 34px 54px 18px;
  gap: 12px;
}

.direct-contact-card {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) auto;
  align-items: center;
  min-height: 92px;
  padding: 16px 18px;
  color: var(--ink);
  border: 1px solid #d8e4ee;
  border-radius: 10px;
  background: #f8fbfe;
  gap: 16px;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease), transform 0.25s var(--ease);
}

.direct-contact-card:is(a):hover,
.direct-contact-card:is(a):focus-visible {
  border-color: var(--blue-500);
  box-shadow: 0 12px 32px rgba(16, 108, 188, 0.12);
  transform: translateY(-2px);
}

.direct-contact-icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  color: var(--blue-500);
  border-radius: 9px;
  background: #e8f4ff;
}

.direct-contact-icon svg {
  width: 25px;
  height: 25px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.direct-contact-copy {
  display: grid;
  min-width: 0;
  gap: 3px;
}

.direct-contact-copy > span {
  color: #596c80;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.direct-contact-copy strong {
  overflow-wrap: anywhere;
  font-size: 18px;
}

.direct-contact-copy small {
  color: #76879a;
  font-size: 12px;
}

.direct-contact-arrow {
  color: var(--blue-500);
  font-size: 24px;
}

.direct-contact-wechat {
  grid-template-columns: 52px minmax(0, 1fr) 112px;
  padding-block: 18px;
}

.direct-contact-qr {
  width: 112px;
  height: 112px;
  padding: 5px;
  border: 1px solid #d7e1ea;
  border-radius: 7px;
  background: var(--white);
}

.direct-contact-note {
  margin: 0;
  padding: 0 54px 34px;
  color: #7a899a;
  font-size: 12px;
  text-align: center;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.reveal-delay {
  transition-delay: 0.14s;
}

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

@media (max-width: 1280px) {
  .shell {
    width: min(var(--shell), calc(100% - 56px));
  }

  .header-inner {
    grid-template-columns: 220px 1fr auto;
    gap: 20px;
  }

  .desktop-nav {
    gap: 22px;
    font-size: 14px;
  }

  .header-cta {
    padding-inline: 18px;
  }

  .hero h1 {
    font-size: 46px;
  }

  .proof-item {
    gap: 14px;
  }

  .proof-icon,
  .proof-icon svg {
    width: 48px;
    flex-basis: 48px;
  }

  .solution-stage,
  .product-layout {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 50px;
  }
}

@media (max-width: 1040px) {
  .desktop-nav,
  .header-cta {
    display: none;
  }

  .header-inner {
    grid-template-columns: minmax(200px, 1fr) auto;
  }

  .menu-toggle {
    display: grid;
    width: 44px;
    height: 44px;
    place-content: center;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: pointer;
    gap: 6px;
  }

  .menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--white);
    transition: transform 0.25s ease, opacity 0.25s ease;
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .mobile-menu {
    display: grid;
    max-height: 0;
    padding: 0 28px;
    overflow: hidden;
    background: rgba(4, 17, 30, 0.98);
    opacity: 0;
    transition: max-height 0.35s var(--ease), opacity 0.25s ease, padding 0.35s var(--ease);
  }

  .mobile-menu.is-open {
    max-height: 540px;
    padding: 18px 28px 30px;
    opacity: 1;
  }

  .mobile-menu a {
    padding: 13px 0;
    border-bottom: 1px solid rgba(135, 182, 215, 0.12);
    font-weight: 650;
  }

  .mobile-menu .button {
    margin-top: 20px;
  }

  .hero {
    min-height: auto;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 150px;
    padding-bottom: 76px;
  }

  .hero-copy {
    width: 100%;
    max-width: 760px;
  }

  .hero h1 {
    max-width: 760px;
    font-size: clamp(44px, 6vw, 60px);
  }

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

  .proof-item:nth-child(2)::after {
    display: none;
  }

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

  .section-heading,
  .solution-stage,
  .product-layout,
  .about-inner {
    grid-template-columns: 1fr;
  }

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

  .product-media-wrap,
  .product-copy {
    min-width: 0;
  }

  .section-heading {
    gap: 22px;
  }

  .section-heading > p {
    max-width: 720px;
  }

  .solution-rail {
    justify-content: flex-start;
    margin-inline: -28px;
    padding: 20px 28px 12px;
    overflow-x: auto;
    scroll-snap-type: x proximity;
    scrollbar-width: none;
  }

  .solution-rail::-webkit-scrollbar {
    display: none;
  }

  .solution-rail button {
    min-width: 160px;
    scroll-snap-align: start;
  }

  .rail-line {
    flex: 0 0 42px;
  }

  .solution-stage {
    gap: 44px;
  }

  .solution-copy {
    max-width: 680px;
  }

  .product-layout {
    gap: 52px;
  }

  .product-media-wrap {
    order: 2;
  }

  .product-copy {
    order: 1;
  }

  .lifecycle-media {
    right: -20%;
    width: 92%;
  }

  .lifecycle-intro {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 32px;
  }

  .lifecycle-intro .button {
    justify-self: start;
  }

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

  .home-capability:nth-child(3) {
    border-left: 1px solid rgba(135, 182, 215, 0.2);
  }

  .home-capability:nth-child(n + 3) {
    border-top: 1px solid rgba(135, 182, 215, 0.2);
  }

  .lifecycle ol {
    grid-template-columns: repeat(3, 1fr);
    row-gap: 34px;
  }

  .lifecycle ol::before {
    display: none;
  }

  .about-inner {
    gap: 58px;
  }

  .case-row,
  .case-row-reverse {
    grid-template-columns: 1fr 0.85fr;
  }

  .timeline {
    max-width: 760px;
  }

  .contact-inner {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding: 48px 0;
  }

  .footer-grid {
    grid-template-columns: 260px 1fr;
  }

  .footer-contact {
    grid-column: 1 / -1;
    justify-items: start;
    text-align: left;
  }
}

@media (max-width: 720px) {
  .shell {
    width: calc(100% - 40px);
  }

  .header-inner {
    min-height: 72px;
  }

  .brand {
    width: 215px;
  }

  .mobile-menu {
    padding-inline: 20px;
  }

  .mobile-menu.is-open {
    padding-inline: 20px;
  }

  .hero-inner {
    padding-top: 118px;
    padding-bottom: 44px;
  }

  .hero h1 {
    margin-bottom: 20px;
    font-size: clamp(35px, 10.1vw, 46px);
    line-height: 1.3;
    letter-spacing: -0.055em;
  }

  .hero h1 br {
    display: none;
  }

  .hero-copy > p {
    font-size: 16px;
    line-height: 1.8;
  }

  .hero-actions {
    margin-top: 28px;
  }

  .hero-actions .button-ghost {
    display: none;
  }

  .hero {
    background-image:
      linear-gradient(180deg, rgba(3, 14, 25, 0.42) 0%, rgba(3, 14, 25, 0.76) 43%, rgba(3, 14, 25, 0.97) 100%),
      url("assets/generated/unique/home-hero-airport-photo-v3.webp");
    background-position: 68% center;
  }

  .proof-grid {
    min-height: auto;
  }

  .proof-item {
    justify-content: flex-start;
    min-height: 138px;
    padding: 24px 14px;
    gap: 10px;
  }

  .proof-item:nth-child(odd)::after {
    top: 25%;
    height: 50%;
  }

  .proof-icon,
  .proof-icon svg {
    width: 38px;
    flex-basis: 38px;
    height: 38px;
  }

  .proof-item strong {
    font-size: clamp(30px, 9vw, 40px);
  }

  .proof-item > div > span {
    margin-top: 6px;
    font-size: 12px;
    letter-spacing: 0.02em;
  }

  .section {
    padding: 78px 0;
  }

  .section-heading h2,
  .product-copy h2,
  .about-copy h2 {
    font-size: 34px;
    line-height: 1.28;
  }

  .section-heading h2 br,
  .product-copy h2 br,
  .about-copy h2 br {
    display: none;
  }

  .section-heading > p {
    font-size: 15px;
    line-height: 1.75;
  }

  .solution-rail {
    margin-top: 38px;
    margin-inline: -20px;
    padding-inline: 20px;
  }

  .solution-rail button {
    min-width: 125px;
  }

  .solution-rail button span {
    font-size: 12px;
  }

  .rail-line {
    flex-basis: 22px;
    margin-inline: 4px;
  }

  .solution-rail button.is-active::before {
    width: 54px;
    height: 54px;
  }

  .solution-stage {
    gap: 32px;
  }

  .solution-copy h3,
  .product-detail h3 {
    font-size: 28px;
  }

  .feature-list li {
    align-items: flex-start;
  }

  .product-tabs {
    margin-right: -20px;
    padding-right: 20px;
  }

  .product-detail {
    padding-top: 26px;
  }

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

  .lifecycle {
    margin-top: 76px;
    padding-top: 64px;
  }

  .lifecycle-media {
    right: -50%;
    width: 150%;
    height: 500px;
    opacity: 0.35;
  }

  .lifecycle-intro h2 {
    font-size: 35px;
  }

  .lifecycle-intro p {
    font-size: 15px;
    line-height: 1.8;
  }

  .home-capability-grid {
    grid-template-columns: 1fr;
    margin-top: 54px;
  }

  .home-capability,
  .home-capability:first-child,
  .home-capability:nth-child(3) {
    min-height: 0;
    padding: 30px 24px 34px;
    border: 0;
    border-bottom: 1px solid rgba(135, 182, 215, 0.2);
  }

  .home-capability:first-child {
    border-top: 1px solid rgba(135, 182, 215, 0.2);
  }

  .home-capability h3 {
    margin-top: 22px;
  }

  .lifecycle-flow {
    margin-top: 58px;
  }

  .lifecycle-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .lifecycle-heading h3 {
    font-size: 25px;
  }

  .lifecycle-heading p {
    font-size: 13px;
  }

  .lifecycle ol {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 34px;
  }

  .case-list {
    border-top: 0;
  }

  .cases-heading {
    margin-bottom: 40px;
  }

  .case-row,
  .case-row-reverse {
    grid-template-columns: 1fr;
    min-height: 0;
    margin-bottom: 24px;
    border: 1px solid var(--line);
  }

  .case-row-reverse .case-media {
    order: 0;
  }

  .case-media {
    aspect-ratio: 1.72;
  }

  .case-copy {
    padding: 28px 24px 34px;
  }

  .case-copy h3 {
    font-size: 25px;
  }

  .case-copy strong {
    margin-top: 22px;
  }

  .about {
    padding: 74px 0;
  }

  .about-inner {
    gap: 52px;
  }

  .timeline {
    grid-template-columns: repeat(2, 1fr);
    padding-top: 0;
    gap: 34px 22px;
  }

  .timeline::before {
    display: none;
  }

  .timeline li {
    padding: 18px 0 0;
    border-top: 1px solid #bddbf3;
  }

  .timeline li::before {
    top: -5px;
  }

  .contact-sky {
    width: 100%;
    opacity: 0.2;
    mask-image: linear-gradient(90deg, transparent, #000 65%);
  }

  .contact-actions {
    align-items: stretch;
    flex-direction: column;
    width: 100%;
  }

  .contact-actions .button,
  .phone-link {
    width: 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-grid nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }

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

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .contact-dialog {
    max-height: calc(100vh - 16px);
  }

  .dialog-intro {
    padding: 42px 24px 30px;
  }

  .dialog-intro h2 {
    font-size: 32px;
  }

  .direct-contact-options {
    padding: 24px 20px 14px;
  }

  .direct-contact-card {
    grid-template-columns: 44px minmax(0, 1fr) auto;
    min-height: 82px;
    padding: 14px;
    gap: 12px;
  }

  .direct-contact-icon {
    width: 44px;
    height: 44px;
  }

  .direct-contact-copy strong {
    font-size: 16px;
  }

  .direct-contact-wechat {
    grid-template-columns: 44px minmax(0, 1fr) 88px;
  }

  .direct-contact-qr {
    width: 88px;
    height: 88px;
  }

  .direct-contact-note {
    padding: 0 20px 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

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