:root {
  color-scheme: light;
  --brand: #24303e;
  --brand-900: #17202b;
  --brand-800: #24303e;
  --brand-700: #143c64;
  --brand-600: #16446c;
  --brand-500: #1a6399;
  --brand-400: #207ab2;
  --brand-300: #22a7c7;
  --brand-200: #8fd8ec;
  --brand-100: #edf7fb;
  --brand-50: #f7fbfe;
  --brand-gradient:
    radial-gradient(circle at 78% 10%, rgba(34, 167, 199, .34), transparent 28%),
    linear-gradient(135deg, var(--brand) 0%, var(--brand-700) 46%, var(--brand-500) 100%);
  --flight-card-bg:
    radial-gradient(circle at 86% -8%, rgba(143, 216, 236, .36), transparent 34%),
    linear-gradient(145deg, rgba(18, 66, 106, .9) 0%, rgba(22, 88, 136, .84) 48%, rgba(38, 126, 165, .76) 100%);
  --flight-card-panel: rgba(42, 126, 170, .54);
  --flight-card-panel-strong: rgba(52, 146, 184, .6);
  --ink: #17202b;
  --muted: #647282;
  --subtle: #8a98a8;
  --line: #e4eaf1;
  --surface: #f7f9fb;
  --surface-2: #edf3f8;
  --surface-3: #e8f1fb;
  --accent: #22a7c7;
  --gold: #c99a52;
  --success: #35d883;
  --white: #ffffff;
  --text-title: var(--brand-900);
  --text-body: var(--muted);
  --section-x: clamp(18px, 2.5vw, 32px);
  --section-y: clamp(72px, 9vw, 112px);
  --content-width: 1280px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 10px;
  --font-xs: 12px;
  --font-sm: 13px;
  --font-md: 14px;
  --font-body: 16px;
  --font-title-sm: 19px;
  --font-title-md: clamp(30px, 3.6vw, 44px);
  --font-hero: clamp(38px, 3.8vw, 52px);
  --shadow: 0 18px 48px rgba(20, 60, 100, .12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--white);
}

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

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

p {
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.keep {
  white-space: nowrap;
}

.page {
  overflow: hidden;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  height: 76px;
  border-bottom: 1px solid rgba(255, 255, 255, .14);
  background: var(--brand-gradient);
  backdrop-filter: blur(18px);
}

.header-inner {
  width: min(var(--content-width), calc(100% - (var(--section-x) * 2)));
  height: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 148px;
}

.brand img {
  width: 128px;
  height: auto;
}

.site-header .brand img {
  filter: none;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 34px);
  color: rgba(255, 255, 255, .76);
  font-size: var(--font-md);
  font-weight: 400;
}

.nav a {
  white-space: nowrap;
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.language-tabs {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}

.language-tabs a {
  color: rgba(255, 255, 255, .58);
  font-size: var(--font-xs);
  font-weight: 400;
  white-space: nowrap;
  transition: color .2s ease;
}

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

.language-tabs a.is-active {
  color: var(--white);
  font-weight: 600;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 var(--space-5);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--ink);
  font-size: var(--font-md);
  font-weight: 600;
  cursor: pointer;
}

.button.primary {
  border-color: var(--brand-500);
  background: var(--brand-500);
  color: var(--white);
}

.site-header .button.primary {
  min-width: 100px;
  min-height: 38px;
  border-color: rgba(215, 228, 248, .9);
  border-radius: var(--radius-md);
  background: linear-gradient(90deg, #dcecff 0%, #ffffff 50%, #dcecff 100%);
  color: var(--brand);
  font-weight: 500;
}

.site-header .button.primary:hover {
  border-color: var(--white);
  background: linear-gradient(90deg, #cfe4fb 0%, #ffffff 50%, #cfe4fb 100%);
}

.button.dark {
  border-color: var(--brand);
  background: var(--brand);
  color: var(--white);
}

.button.ghost {
  min-height: auto;
  padding: 2px 0;
  border-color: transparent;
  background: transparent;
  color: var(--brand-500);
  font-weight: 400;
}

.button.ghost:hover {
  border-color: transparent;
  background: transparent;
  color: var(--brand-700);
}

.section {
  padding: var(--section-y) var(--section-x);
}

.inner {
  width: min(var(--content-width), 100%);
  margin: 0 auto;
}

.eyebrow {
  margin-bottom: var(--space-3);
  color: var(--brand-500);
  font-size: var(--font-sm);
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: 620px;
  padding: clamp(72px, 8vw, 112px) var(--section-x) clamp(72px, 8vw, 104px);
  background: var(--brand-gradient);
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: min(var(--content-width), 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 460px);
  align-items: center;
  gap: clamp(34px, 5vw, 64px);
}

.hero:before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, .09) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255, 255, 255, .07) 1px, transparent 1px);
  background-size: 78px 78px;
  mask-image: linear-gradient(90deg, rgba(0, 0, 0, .66), transparent 72%);
  pointer-events: none;
}

.hero-grid-lights {
  position: absolute;
  z-index: 0;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.hero-grid-lights i {
  position: absolute;
  width: 5px;
  height: 5px;
  margin: -2px 0 0 -2px;
  border-radius: 50%;
  background: rgba(177, 235, 249, .94);
  box-shadow:
    0 0 5px rgba(143, 216, 236, .82),
    0 0 13px rgba(34, 167, 199, .5);
  opacity: 0;
  animation: grid-light-pulse 3.4s ease-in-out forwards;
}

@keyframes grid-light-pulse {
  0% {
    opacity: 0;
    transform: scale(.35);
  }
  34% {
    opacity: .88;
    transform: scale(1);
  }
  62% {
    opacity: .55;
    transform: scale(.82);
  }
  100% {
    opacity: 0;
    transform: scale(1.55);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-grid-lights {
    display: none;
  }
}

.hero-copy,
.hero-board {
  position: relative;
}

.hero h1 {
  max-width: 700px;
  margin: 0 0 20px;
  color: var(--white);
  font-size: var(--font-hero);
  line-height: 1.13;
  font-weight: 800;
  letter-spacing: 0;
}

.hero .lead {
  max-width: 620px;
  color: rgba(255, 255, 255, .72);
  font-size: var(--font-body);
  line-height: 1.75;
}

.hero .eyebrow {
  color: var(--brand-200);
}

.hero .button.primary {
  border-color: var(--white);
  background: var(--white);
  color: var(--brand);
}

.hero .button:not(.primary) {
  border-color: rgba(255, 255, 255, .34);
  background: rgba(255, 255, 255, .08);
  color: var(--white);
}

.hero .button:not(.primary):hover {
  border-color: rgba(255, 255, 255, .58);
  background: rgba(255, 255, 255, .14);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

.app-download {
  position: relative;
}

.app-download-trigger {
  gap: 9px;
}

.app-download-icon {
  position: relative;
  width: 14px;
  height: 20px;
  flex: 0 0 14px;
  border: 1.5px solid currentColor;
  border-radius: 3px;
}

.app-download-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 2px;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: currentColor;
  transform: translateX(-50%);
}

.app-download-popup {
  position: absolute;
  bottom: 0;
  left: calc(100% + 14px);
  z-index: 8;
  width: 184px;
  padding: 12px 12px 13px;
  border: 1px solid rgba(205, 239, 249, .78);
  border-radius: 17px;
  background: rgba(255, 255, 255, .8);
  box-shadow:
    0 22px 50px rgba(3, 20, 34, .32),
    inset 0 1px 0 rgba(255, 255, 255, .72);
  backdrop-filter: blur(16px) saturate(1.25);
  -webkit-backdrop-filter: blur(16px) saturate(1.25);
  color: var(--brand-900);
  text-align: center;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-10px) scale(.92);
  transform-origin: bottom left;
  transition:
    opacity .18s ease,
    visibility .18s ease,
    transform .22s cubic-bezier(.2, .8, .2, 1);
  pointer-events: none;
}

.app-download-popup::after {
  content: "";
  position: absolute;
  left: -12px;
  bottom: 18px;
  width: 12px;
  height: 18px;
  background: rgba(255, 255, 255, .8);
  clip-path: polygon(0 50%, 100% 0, 100% 100%);
}

.app-download-popup img {
  display: block;
  width: 158px;
  height: 158px;
  border-radius: 10px;
}

.app-download-popup strong,
.app-download-popup > span {
  display: block;
}

.app-download-popup strong {
  margin-top: 8px;
  font-size: 14px;
}

.app-download-popup > span {
  margin-top: 2px;
  color: var(--muted);
  font-size: 11px;
}

.app-download:hover .app-download-popup,
.app-download-trigger:focus-visible + .app-download-popup,
.app-download.is-open .app-download-popup {
  opacity: 1;
  visibility: visible;
  transform: translateX(0) scale(1);
  pointer-events: auto;
}

.stats-section {
  position: relative;
  padding: var(--space-10) var(--section-x);
  background: var(--brand-gradient);
}

.stats-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255, 255, 255, .032) 1px, transparent 1px);
  background-size: 78px 78px;
  background-attachment: fixed;
  filter: blur(.35px);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .6) 0%, rgba(0, 0, 0, .26) 46%, transparent 100%);
  pointer-events: none;
}

.stats-section::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(36, 48, 62, .1);
  pointer-events: none;
}

.stats-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(260px, .78fr) 1fr;
  align-items: center;
  gap: clamp(28px, 5vw, 64px);
  width: min(var(--content-width), 100%);
  margin: 0 auto;
}

.stats-slogan strong {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--white);
  font-size: clamp(24px, 2.4vw, 34px);
  line-height: 1.12;
}

.stats-slogan span {
  color: rgba(255, 255, 255, .62);
  font-size: var(--font-body);
  font-weight: 600;
}

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

.stat-item {
  position: relative;
  min-height: 86px;
  padding: var(--space-3) var(--space-6);
}

.stat-item::before,
.stat-item:last-child::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 1px;
  height: 58px;
  background: rgba(255, 255, 255, .18);
  transform: translateY(-50%);
}

.stat-item::before {
  left: 0;
}

.stat-item:last-child::after {
  right: 0;
}

.stat-item strong {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--white);
  font-size: clamp(28px, 2.6vw, 32px);
  line-height: 1;
}

.stat-item > span {
  color: rgba(255, 255, 255, .58);
  font-size: var(--font-sm);
  font-weight: 500;
}

.hero-board {
  justify-self: end;
  width: min(100%, 460px);
}

.flight-card {
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid rgba(205, 239, 249, .42);
  background: var(--flight-card-bg);
  color: var(--white);
  box-shadow:
    0 34px 80px rgba(6, 17, 30, .42),
    0 0 0 1px rgba(255, 255, 255, .06) inset,
    0 1px 0 rgba(255, 255, 255, .18) inset;
  backdrop-filter: blur(22px) saturate(1.35);
}

.flight-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6);
  background: rgba(12, 35, 56, .18);
  border-bottom: 1px solid rgba(205, 239, 249, .24);
}

.flight-top img {
  width: 104px;
}

.live-status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255, 255, 255, .8);
  font-size: var(--font-xs);
  font-weight: 800;
  letter-spacing: .12em;
}

.live-status i {
  position: relative;
  width: 8px;
  height: 8px;
  flex: 0 0 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 0 rgba(53, 216, 131, .52);
  animation: livePulse 1.45s ease-out infinite;
}

@keyframes livePulse {
  0% {
    box-shadow: 0 0 0 0 rgba(53, 216, 131, .52);
  }
  70% {
    box-shadow: 0 0 0 8px rgba(53, 216, 131, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(53, 216, 131, 0);
  }
}

.route {
  display: grid;
  grid-template-columns: minmax(112px, 1fr) 116px minmax(128px, 1fr);
  align-items: center;
  column-gap: var(--space-5);
  padding: var(--space-8) var(--space-8) var(--space-8) var(--space-6);
  background: rgba(9, 28, 48, .18);
}

.route > .route-point:last-child {
  justify-self: start;
}

@media (min-width: 721px) {
  .route > .route-point:first-child {
    justify-self: start;
  }

  .route-connector,
  .route > .route-point:last-child {
    position: relative;
    left: calc(var(--space-6) * -1);
  }
}

.route strong {
  display: block;
  font-size: clamp(30px, 3vw, 34px);
  letter-spacing: .04em;
}

.route small {
  color: rgba(255, 255, 255, .74);
}

.route-point {
  transition: opacity .26s ease, transform .26s ease, filter .26s ease;
  will-change: opacity, transform;
}

.route-point.is-changing {
  opacity: 0;
  transform: translateY(-10px);
  filter: blur(2px);
}

.route > .route-point:last-child.is-changing {
  transform: translateY(-10px);
}

.route-connector {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  color: rgba(255, 255, 255, .78);
}

.route-connector span {
  height: 1px;
  background: rgba(143, 216, 236, .18);
}

.route-connector img {
  width: 17px;
  height: 17px;
  opacity: .9;
  object-fit: contain;
}

.flight-meta {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
  padding: var(--space-2);
  background: rgba(9, 28, 48, .18);
}

.meta-card {
  position: relative;
  overflow: hidden;
  min-height: 104px;
  padding: var(--space-5);
  border: 1px solid rgba(205, 239, 249, .14);
  border-radius: var(--radius-sm);
  background: var(--flight-card-panel);
}

.meta-card:nth-child(2),
.meta-card:nth-child(3) {
  background: var(--flight-card-panel-strong);
}

.meta-label {
  display: block;
  margin-bottom: var(--space-2);
  color: rgba(255, 255, 255, .66);
  font-size: var(--font-xs);
}

.meta-card strong {
  position: relative;
  z-index: 1;
  font-size: var(--font-title-sm);
}

.meta-icon {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 28px;
  height: 28px;
  object-fit: contain;
  opacity: .28;
  filter: brightness(0) invert(1);
}

.section-title {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin-bottom: var(--space-10);
}

.section-title h2 {
  margin: 0 0 16px;
  color: var(--text-title);
  font-size: var(--font-title-md);
  line-height: 1.14;
}

#services {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background:
    linear-gradient(180deg, var(--surface) 0%, var(--brand-50) 100%);
}

#services::before {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(26, 99, 153, .055) 1px, transparent 1px),
    linear-gradient(0deg, rgba(26, 99, 153, .045) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(135deg, #000 0%, rgba(0, 0, 0, .7) 22%, transparent 58%);
  mask-image: linear-gradient(135deg, #000 0%, rgba(0, 0, 0, .7) 22%, transparent 58%);
  pointer-events: none;
}

#services > .inner,
.airline-band > .inner,
.contact > .inner {
  position: relative;
  z-index: 1;
}

.services-decor {
  position: absolute;
  z-index: 0;
  display: block;
  pointer-events: none;
  user-select: none;
}

.services-decor-wedge {
  width: clamp(280px, 36vw, 640px);
  height: auto;
}

.services-decor-wedge-left {
  top: 0;
  left: 0;
  width: clamp(190px, 19vw, 340px);
  opacity: .42;
  transform: rotate(180deg);
  transform-origin: center;
}

.services-decor-wedge-right {
  right: 0;
  bottom: 0;
}

.services-decor-line {
  right: clamp(42px, 8vw, 142px);
  bottom: clamp(84px, 12vw, 190px);
  width: clamp(38px, 4.5vw, 72px);
  height: auto;
}

.services-carousel {
  position: relative;
  z-index: 1;
  margin-bottom: 44px;
}

.service-slides {
  position: relative;
  min-height: 410px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
  box-shadow: 0 24px 60px rgba(20, 60, 100, .1);
}

.card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
}

.service-slide {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: 1.28fr minmax(310px, .72fr);
  min-height: 410px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity .36s ease, transform .36s ease, visibility .36s ease;
}

.service-slide.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.service-copy {
  position: relative;
  grid-column: 2;
  grid-row: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(36px, 5vw, 64px);
  padding-bottom: calc(clamp(36px, 5vw, 64px) + 36px);
}

.service-icon {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-8);
  color: var(--brand-500);
}

.service-icon svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.service-count {
  position: absolute;
  top: 32px;
  right: 32px;
  color: var(--subtle);
  font-size: var(--font-xs);
  font-weight: 700;
  letter-spacing: .12em;
}

.service-copy h3,
.person h3,
.office h3 {
  margin: 0 0 12px;
  color: var(--ink);
  font-size: var(--font-title-sm);
}

.service-copy h3 {
  font-size: clamp(28px, 3vw, 38px);
}

.service-copy p {
  max-width: 360px;
  font-size: var(--font-body);
}

.service-image {
  position: relative;
  grid-column: 1;
  grid-row: 1;
  display: block;
  width: 100%;
  height: 100%;
  min-height: 410px;
  object-fit: cover;
}

.service-controls {
  position: absolute;
  z-index: 3;
  right: clamp(18px, 3vw, 38px);
  bottom: -36px;
  left: clamp(18px, 3vw, 38px);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .72);
  border-radius: var(--radius-md);
  background: rgba(248, 252, 255, .72);
  box-shadow:
    0 18px 42px rgba(20, 60, 100, .16),
    0 1px 0 rgba(255, 255, 255, .9) inset;
  -webkit-backdrop-filter: blur(18px) saturate(145%);
  backdrop-filter: blur(18px) saturate(145%);
}

.service-tabs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  flex: 1;
}

.service-tab {
  position: relative;
  min-height: 70px;
  padding: 14px 12px;
  border: 0;
  border-right: 1px solid rgba(122, 153, 181, .18);
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: var(--font-sm);
  font-weight: 600;
  cursor: pointer;
  transition: color .2s ease, background .2s ease;
}

.service-tab span {
  display: block;
  margin-bottom: 4px;
  color: var(--subtle);
  font-size: 10px;
}

.service-tab:last-child {
  border-right: 0;
}

.service-tab::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 28px;
  height: 2px;
  background: var(--brand-500);
  opacity: 0;
  transform: translateX(-50%) scaleX(.4);
  transition: opacity .25s ease, transform .35s ease;
}

.service-tab:hover,
.service-tab.is-active {
  color: var(--brand-700);
  background: rgba(255, 255, 255, .5);
}

.service-tab.is-active::before {
  opacity: 1;
  transform: translateX(-50%) scaleX(1);
}

@keyframes service-in {
  from { opacity: 0; transform: translateX(14px); }
  to { opacity: 1; transform: translateX(0); }
}

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

.about-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}

.about-panel {
  padding: var(--space-8);
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-700) 58%, var(--brand-500) 100%);
  color: var(--white);
}

.about-panel p {
  color: rgba(255, 255, 255, .74);
}

.about-panel .eyebrow {
  color: var(--brand-200);
}

.team {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.person {
  overflow: hidden;
}

.person-photo {
  height: 328px;
  background: linear-gradient(180deg, var(--surface-2), var(--surface-3));
}

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

.person-body {
  padding: var(--space-6);
}

.person-role {
  display: block;
  margin-bottom: var(--space-3);
  color: var(--brand-500);
  font-size: var(--font-sm);
  font-weight: 600;
}

.airline-band {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--white);
}

.airline-route-line {
  position: absolute;
  z-index: 0;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  transform: scaleY(-1);
}

.airline-route-line > path {
  fill: none;
  stroke: rgba(26, 99, 153, .22);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-dasharray: 9 12;
  vector-effect: non-scaling-stroke;
}

.airline-route-nodes {
  position: absolute;
  z-index: 0;
  inset: 0;
  pointer-events: none;
}

.airline-route-nodes span {
  position: absolute;
  width: 10px;
  height: 10px;
  border: 2px solid rgba(26, 99, 153, .34);
  border-radius: 50%;
  background: rgba(255, 255, 255, .92);
  transform: translate(-50%, -50%);
}

.airline-route-nodes span:nth-child(1) { left: 7%; top: 63.572%; }
.airline-route-nodes span:nth-child(2) { left: 22.625%; top: 77.914%; }
.airline-route-nodes span:nth-child(3) { left: 42.75%; top: 62.771%; }
.airline-route-nodes span:nth-child(4) { left: 62.625%; top: 33.737%; }
.airline-route-nodes span:nth-child(5) { left: 83%; top: 40.645%; }
.airline-route-nodes span:nth-child(6) { left: 96.375%; top: 71.271%; }

.airline-route-nodes span:nth-child(2n) {
  width: 16px;
  height: 16px;
  border-color: rgba(26, 99, 153, .42);
  background: rgba(26, 99, 153, .18);
}

.airline-head {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.airline-head .section-title {
  flex: 0 1 52%;
  margin-bottom: 0;
}

.aircraft-carousel {
  position: absolute;
  z-index: 0;
  top: -18px;
  right: 0;
  width: 40%;
  height: 164px;
  overflow: hidden;
  pointer-events: none;
}

.aircraft-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0;
  transform: translateX(18px);
  transition: opacity .8s ease, transform .8s ease;
}

.aircraft-slide.is-active {
  opacity: 1;
  transform: translateX(0);
}

.airlines {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-3);
}

.airline {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  border: 1px solid rgba(255, 255, 255, .82);
  border-radius: var(--radius-md);
  background: linear-gradient(145deg, rgba(255, 255, 255, .78), rgba(241, 247, 252, .58));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .92),
    0 10px 28px rgba(20, 60, 100, .08);
  -webkit-backdrop-filter: blur(14px) saturate(135%);
  backdrop-filter: blur(14px) saturate(135%);
  transition: border-color .25s ease, background .25s ease, box-shadow .25s ease, transform .25s ease;
}

.airline.is-active {
  border-color: rgba(26, 99, 153, .55);
  background: linear-gradient(145deg, rgba(255, 255, 255, .94), rgba(208, 229, 245, .78));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .96),
    0 12px 30px rgba(26, 99, 153, .2);
  transform: translateY(-2px);
}

.airline:focus-visible {
  outline: 2px solid rgba(26, 99, 153, .72);
  outline-offset: 2px;
}

.airline img {
  max-width: 112px;
  max-height: 50px;
  object-fit: contain;
}

.contact {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(26, 99, 153, .055) 1px, transparent 1px),
    linear-gradient(0deg, rgba(26, 99, 153, .05) 1px, transparent 1px),
    linear-gradient(180deg, var(--surface-2) 0%, var(--surface) 100%);
  background-size: 96px 96px, 96px 96px, auto;
}

.contact-art {
  position: absolute;
  z-index: 0;
  display: block;
  height: auto;
  pointer-events: none;
  user-select: none;
}

.contact-art-wedge {
  top: clamp(-310px, -17vw, -210px);
  left: clamp(-230px, -12vw, -150px);
  width: clamp(390px, 27vw, 550px);
  opacity: .72;
  transform: rotate(180deg);
}

.contact-art-orb {
  top: clamp(72px, 13%, 116px);
  right: clamp(90px, 15vw, 300px);
  width: clamp(68px, 5vw, 100px);
}

.contact-art-slash {
  right: clamp(-34px, 2vw, 42px);
  bottom: clamp(-150px, -8vw, -86px);
}

.contact-art-slash-thick {
  width: clamp(260px, 18vw, 370px);
}

.contact-art-slash-thin {
  right: clamp(78px, 8vw, 164px);
  bottom: clamp(34px, 4vw, 76px);
  width: clamp(112px, 8vw, 164px);
}

.office-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-3);
}

.office {
  padding: var(--space-5);
}

.office h3 {
  margin-bottom: var(--space-2);
  font-size: 17px;
}

.office p {
  display: -webkit-box;
  height: 3.3em;
  overflow: hidden;
  font-size: var(--font-md);
  line-height: 1.65;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
}

.footer {
  padding: var(--space-10) var(--section-x);
  background: var(--brand-900);
  color: rgba(255, 255, 255, .72);
}

.footer-inner {
  width: min(var(--content-width), 100%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.footer img {
  width: 118px;
  filter: brightness(0) invert(1);
}

.footer p {
  max-width: 620px;
  color: rgba(255, 255, 255, .62);
}

.login-shell {
  position: relative;
  overflow: hidden;
  min-height: calc(100vh - 76px);
  padding: 0 var(--section-x);
  background: var(--brand-gradient);
}

.login-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, .09) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255, 255, 255, .07) 1px, transparent 1px);
  background-size: 78px 78px;
  mask-image: linear-gradient(90deg, rgba(0, 0, 0, .66), transparent 72%);
  pointer-events: none;
}

.login-inner {
  position: relative;
  z-index: 1;
  width: min(var(--content-width), 100%);
  min-height: calc(100vh - 76px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 400px);
  gap: clamp(48px, 6vw, 80px);
  align-items: stretch;
}

.login-visual {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: calc(100vh - 76px);
  padding: clamp(32px, 6vw, 68px) 0;
  background: transparent;
  color: var(--white);
}

.login-visual:before {
  content: none;
}

.login-visual:after {
  content: none;
}

.login-visual > * {
  position: relative;
  z-index: 1;
}

.login-message {
  max-width: 620px;
}

.login-copy-slides {
  display: grid;
  min-height: 350px;
}

.login-copy-slide {
  grid-area: 1 / 1;
  align-self: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity .4s ease, transform .4s ease, visibility .4s ease;
}

.login-copy-slide.is-active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.login-message h1 {
  max-width: 620px;
  margin: 0 0 20px;
  font-size: var(--font-hero);
  line-height: 1.13;
  font-weight: 800;
  letter-spacing: 0;
}

.login-message p {
  max-width: 600px;
  color: rgba(255, 255, 255, .72);
  font-size: var(--font-body);
  line-height: 1.75;
}

.login-copy-tabs {
  display: flex;
  gap: 10px;
  margin-top: var(--space-8);
}

.login-copy-tabs button {
  position: relative;
  width: 28px;
  height: 3px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: rgba(255, 255, 255, .28);
  cursor: pointer;
  transition: width .25s ease, background .25s ease;
}

/* 用伪元素扩大点击热区，视觉上仍是 3px 细线 */
.login-copy-tabs button::before {
  content: "";
  position: absolute;
  top: -12px;
  right: -4px;
  bottom: -12px;
  left: -4px;
}

.login-copy-tabs button.is-active {
  width: 48px;
  background: var(--brand-200);
}

.login-panel {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8) 0;
}

html.lang-en .nav {
  gap: clamp(16px, 2.2vw, 28px);
}

html.lang-en .service-tab {
  font-size: 12px;
}

html.lang-en .office p {
  height: 4.95em;
  -webkit-line-clamp: 3;
  line-clamp: 3;
}

.login-card {
  width: min(400px, 100%);
  padding: var(--space-8);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
  box-shadow: var(--shadow);
}

.login-card img {
  width: 132px;
  margin-bottom: var(--space-10);
}

.login-card h2 {
  margin: 0 0 var(--space-2);
  color: var(--ink);
  font-size: clamp(30px, 3vw, 34px);
}

.login-card .hint {
  margin-bottom: var(--space-6);
}

.login-error {
  margin: 0 0 var(--space-4);
  color: #d64545;
  font-size: 14px;
  line-height: 1.5;
}

.login-error[hidden] {
  display: none;
}

.form-field {
  margin-bottom: var(--space-4);
}

.form-field label {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--brand-800);
  font-size: var(--font-sm);
  font-weight: 600;
}

.form-field input {
  width: 100%;
  height: 52px;
  padding: 0 var(--space-4);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  outline: none;
  color: var(--ink);
  font: inherit;
}

.form-field input:focus {
  border-color: var(--brand-500);
  box-shadow: 0 0 0 4px rgba(26, 99, 153, .1);
}

.form-field input::placeholder {
  color: var(--subtle);
}

.login-buttons {
  display: grid;
  gap: var(--space-3);
}

.login-buttons .button {
  width: 100%;
}

.login-buttons .button.ghost {
  width: fit-content;
  justify-self: center;
}

@media (max-width: 1080px) {
  .nav {
    display: none;
  }

  .hero-inner,
  .about-grid,
  .login-inner {
    grid-template-columns: 1fr;
  }

  .airlines {
    grid-template-columns: repeat(4, 1fr);
  }

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

  .login-visual {
    min-height: 620px;
  }

  .login-shell {
    padding: 0;
    background: var(--brand-gradient);
  }

  .login-inner {
    gap: 0;
  }

  .login-visual {
    padding: 128px var(--section-x) 72px;
  }

  .login-panel {
    padding: var(--space-8) var(--section-x);
  }

  .login-copy-slides {
    min-height: 310px;
  }

}

@media (max-width: 720px) {
  .contact-art-wedge {
    top: -190px;
    left: -160px;
    width: 310px;
    opacity: .54;
  }

  .contact-art-orb {
    top: 62px;
    right: 24px;
    width: 54px;
    opacity: .82;
  }

  .contact-art-slash-thick {
    right: -84px;
    bottom: -94px;
    width: 220px;
  }

  .contact-art-slash-thin {
    right: 42px;
    bottom: 34px;
    width: 82px;
  }

  .services-decor-wedge-left {
    width: 178px;
    opacity: .3;
  }

  .services-decor-wedge-right {
    right: -120px;
    width: 340px;
  }

  .services-decor-line {
    right: 32px;
    bottom: 82px;
    width: 34px;
  }

  .keep {
    white-space: normal;
  }

  .site-header {
    height: auto;
  }

  .header-inner {
    min-height: 76px;
    align-items: flex-start;
    gap: var(--space-4);
    padding-top: var(--space-4);
    padding-bottom: var(--space-4);
  }

  .header-actions {
    gap: var(--space-3);
    margin-left: auto;
  }

  .site-header .brand {
    min-width: 100px;
  }

  .site-header .brand img {
    width: 100px;
  }

  .site-header .button.primary {
    min-width: 76px;
    padding: 0 var(--space-3);
  }

  .hero {
    min-height: auto;
  }

  .app-download-popup {
    bottom: calc(100% + 14px);
    left: 0;
    transform-origin: bottom left;
    transform: translateY(10px) scale(.92);
  }

  .app-download-popup::after {
    bottom: -12px;
    left: 24px;
    width: 18px;
    height: 12px;
    clip-path: polygon(0 0, 100% 0, 50% 100%);
  }

  .app-download:hover .app-download-popup,
  .app-download-trigger:focus-visible + .app-download-popup,
  .app-download.is-open .app-download-popup {
    transform: translateY(0) scale(1);
  }

  .stats-inner,
  .team,
  .airlines,
  .flight-meta {
    grid-template-columns: 1fr;
  }

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

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

  .service-slides {
    min-height: 620px;
  }

  .service-image {
    grid-column: 1;
    grid-row: 1;
    min-height: 240px;
  }

  .service-copy {
    grid-column: 1;
    grid-row: 2;
    min-height: 300px;
    padding: 32px 24px 68px;
  }

  .service-count {
    top: 28px;
    right: 24px;
  }

  .service-tabs {
    display: flex;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .service-tab {
    flex: 0 0 116px;
  }

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

  .stat-item {
    padding-left: var(--space-5);
  }

  .stat-item:last-child::after {
    display: none;
  }

  .office {
    padding: var(--space-4);
  }

  .airline-head,
  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .airline-head .section-title {
    flex-basis: auto;
  }

  .aircraft-carousel {
    top: 72px;
    right: -4%;
    width: 70%;
    height: 122px;
  }

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

  .route > .route-point:last-child {
    justify-self: start;
    transform: none;
  }

  .person-photo {
    height: 280px;
  }

  .login-panel {
    padding: var(--space-6);
  }

  .login-copy-slides {
    min-height: 420px;
  }

  .login-card {
    padding: var(--space-6);
  }
}

@media (max-width: 480px) {
  .office-grid {
    grid-template-columns: 1fr;
  }

}