:root {
  --ink: #1b3e51;
  --ink-deep: #102f40;
  --ink-900: #0a2231;
  --ink-soft: #2a5266;
  --sky: #2f6f8f;
  --sky-50: #eef5f8;
  --red: #c1272d;
  --red-deep: #9e1f24;
  --red-50: #fdf1f1;
  --paper: #f5f7f9;
  --paper-2: #eaf0f3;
  --line: #dde5ea;
  --line-soft: #e9eef2;
  --text: #15222e;
  --muted: #5d7080;
  --white: #ffffff;
  --max: 1160px;
  --nav-h: 76px;
  --radius: 16px;
  --radius-lg: 24px;
  --font-display: "Sora", "Noto Sans SC", "PingFang SC", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow-sm: 0 1px 2px rgba(16, 47, 64, 0.05), 0 4px 14px rgba(16, 47, 64, 0.05);
  --shadow: 0 20px 50px rgba(16, 47, 64, 0.12);
  --arrow: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12h14'/%3E%3Cpath d='m12 5 7 7-7 7'/%3E%3C/svg%3E");
}

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

html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); }

body {
  margin: 0;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
h1, h2, h3, h4 { margin: 0; font-family: var(--font-display); line-height: 1.22; letter-spacing: -0.02em; }
p { margin: 0; }

svg.i {
  width: 1em;
  height: 1em;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--sky);
  outline-offset: 2px;
}

.wrap {
  width: calc(100% - 40px);
  max-width: var(--max);
  margin: 0 auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

/* ---------- Nav ---------- */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  background: rgba(255, 255, 255, 0.82);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
  backdrop-filter: saturate(160%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
}

.site-nav.is-scrolled {
  background: rgba(255, 255, 255, 0.92);
  border-bottom-color: var(--line);
  box-shadow: 0 8px 28px rgba(16, 47, 64, 0.07);
}

.nav-inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
  margin-right: auto;
}

.brand img {
  width: 112px;
  height: auto;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
  padding-left: 14px;
  border-left: 1px solid var(--line);
}

.brand-text strong {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.02em;
  line-height: 1.35;
}

.brand-text span {
  font-size: 10.5px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  line-height: 1.35;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-right: 6px;
}

.nav-links a {
  position: relative;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink-soft);
  transition: background 0.2s, color 0.2s;
}

.nav-links a:hover {
  background: rgba(27, 62, 81, 0.06);
  color: var(--ink);
}

.nav-links a.is-active {
  color: var(--ink);
  font-weight: 700;
}

.nav-links a.is-active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 1px;
  width: 16px;
  height: 3px;
  border-radius: 3px;
  background: var(--red);
  transform: translateX(-50%);
}

.nav-cta {
  order: 4;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px 10px 20px;
  border-radius: 999px;
  background: var(--red);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: 0 8px 20px rgba(193, 39, 45, 0.22);
  transition: background 0.2s, transform 0.2s var(--ease), box-shadow 0.2s;
}

.nav-cta::after,
.btn-primary::after {
  content: "";
  width: 15px;
  height: 15px;
  background: currentColor;
  -webkit-mask: var(--arrow) center / contain no-repeat;
  mask: var(--arrow) center / contain no-repeat;
  transition: transform 0.2s var(--ease);
}

.nav-cta:hover {
  background: var(--red-deep);
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(193, 39, 45, 0.28);
}

.nav-cta:hover::after,
.btn-primary:hover::after { transform: translateX(3px); }

.nav-panel { display: none; }

.nav-toggle {
  order: 5;
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--white);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--ink);
  position: relative;
  transition: background 0.2s;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--ink);
  transition: transform 0.25s var(--ease), top 0.25s var(--ease);
}

.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }

.site-nav.is-open .nav-toggle span { background: transparent; }
.site-nav.is-open .nav-toggle span::before { top: 0; transform: rotate(45deg); }
.site-nav.is-open .nav-toggle span::after { top: 0; transform: rotate(-45deg); }

.lang-switch {
  order: 3;
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  flex: 0 0 auto;
}

.lang-switch button {
  min-width: 30px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 6px 8px;
  border-radius: 999px;
  cursor: pointer;
  line-height: 1;
  transition: background 0.2s, color 0.2s;
}

.lang-switch button:hover { color: var(--ink); }

.lang-switch button.is-active {
  background: var(--white);
  color: var(--ink);
  box-shadow: 0 1px 3px rgba(16, 47, 64, 0.14);
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.3;
  cursor: pointer;
  transition: transform 0.2s var(--ease), background 0.2s, color 0.2s, border-color 0.2s, box-shadow 0.2s;
}

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

.btn-primary {
  background: var(--red);
  color: #fff;
  box-shadow: 0 10px 24px rgba(193, 39, 45, 0.24);
}

.btn-primary:hover { background: var(--red-deep); box-shadow: 0 14px 30px rgba(193, 39, 45, 0.3); }

.btn-ink {
  background: var(--ink);
  color: #fff;
}

.btn-ink:hover { background: var(--ink-soft); }

.btn-ghost {
  border-color: rgba(255, 255, 255, 0.4);
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.14);
}

.btn-outline {
  border-color: var(--line);
  color: var(--ink);
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

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

.section-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  min-height: calc(100vh - var(--nav-h));
  min-height: calc(100svh - var(--nav-h));
  display: grid;
  align-items: end;
  overflow: hidden;
  color: #fff;
  background: var(--ink-deep);
}

.hero-media {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background:
    linear-gradient(100deg, rgba(10, 34, 49, 0.94) 0%, rgba(16, 47, 64, 0.76) 44%, rgba(16, 47, 64, 0.28) 100%),
    url("../assets/hero-plane.jpg") center / cover no-repeat;
  transform: scale(1.04);
  animation: hero-zoom 14s var(--ease) both;
}

.hero-media::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background:
    linear-gradient(180deg, rgba(10, 34, 49, 0.1) 0%, rgba(10, 34, 49, 0.35) 55%, rgba(10, 34, 49, 0.94) 100%);
}

@keyframes hero-zoom {
  from { transform: scale(1.1); }
  to { transform: scale(1.03); }
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 88px 0 56px;
  animation: rise 0.8s var(--ease) both;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 26px;
  padding: 7px 16px 7px 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.88);
}

.hero-kicker::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ff5a60;
  box-shadow: 0 0 0 4px rgba(255, 90, 96, 0.2);
  animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(255, 90, 96, 0.2); }
  50% { box-shadow: 0 0 0 7px rgba(255, 90, 96, 0.06); }
}

.hero-kicker img { display: none; }

.hero h1 {
  max-width: 10.5em;
  font-size: 66px;
  font-size: clamp(38px, 6vw, 66px);
  font-weight: 700;
  color: #fff;
  text-wrap: balance;
}

.hero-lead {
  margin-top: 24px;
  max-width: 36em;
  font-size: 18.5px;
  font-size: clamp(16px, 1.9vw, 18.5px);
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.84);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 64px;
}

.hero-stats > div {
  padding: 20px 22px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.03));
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.hero-stats strong {
  display: block;
  font-family: var(--font-display);
  font-size: 30px;
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 700;
  line-height: 1.25;
}

.hero-stats span {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
}

/* ---------- Sections ---------- */

.section {
  padding: 104px 0;
}

.section-head {
  max-width: 40em;
  margin-bottom: 44px;
}

.section-head .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--red);
}

.section-head .eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
}

.section-head h2 {
  font-size: 42px;
  font-size: clamp(28px, 3.8vw, 42px);
  color: var(--ink);
  text-wrap: balance;
}

.section-head p {
  margin-top: 16px;
  color: var(--muted);
  font-size: 17px;
}

.section-muted {
  background: linear-gradient(180deg, var(--paper-2), var(--paper));
}

.section-ink {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(700px 360px at 90% 0%, rgba(47, 111, 143, 0.35), transparent 70%),
    radial-gradient(520px 300px at 0% 100%, rgba(193, 39, 45, 0.16), transparent 70%),
    linear-gradient(160deg, var(--ink-900), var(--ink-deep) 55%, #1a4257);
  color: #fff;
}

.section-ink::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.09) 1px, transparent 1px);
  background-size: 22px 22px;
  -webkit-mask-image: linear-gradient(180deg, #000, transparent 85%);
  mask-image: linear-gradient(180deg, #000, transparent 85%);
  pointer-events: none;
}

.section-ink > .wrap { position: relative; }

.section-ink .section-head .eyebrow { color: #ff8f93; }
.section-ink .section-head h2 { color: #fff; }
.section-ink .section-head p { color: rgba(255, 255, 255, 0.72); }

/* ---------- Service cards ---------- */

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.service-item {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 28px 24px 30px;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: 20px;
  background: var(--white);
  box-shadow: var(--shadow-sm);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s;
}

.service-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--red), #e2575c);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s var(--ease);
}

.service-item:hover {
  transform: translateY(-6px);
  border-color: transparent;
  box-shadow: var(--shadow);
}

.service-item:hover::before { transform: scaleX(1); }

.svc-icon {
  display: grid;
  width: 52px;
  height: 52px;
  margin-bottom: 22px;
  place-items: center;
  border-radius: 14px;
  background: var(--red-50);
  color: var(--red);
  font-size: 26px;
  transition: background 0.35s, color 0.35s;
}

.service-item:hover .svc-icon { background: var(--red); color: #fff; }

.service-item .num {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--muted);
  margin-bottom: 8px;
}

.service-item h3 {
  font-size: 21px;
  color: var(--ink);
  margin-bottom: 10px;
}

.service-item p {
  color: var(--muted);
  font-size: 15px;
}

/* ---------- Why ---------- */

.why-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: start;
}

.why-list {
  display: grid;
  gap: 0;
}

.why-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.why-item:first-child { border-top: 1px solid var(--line); }

.why-item .idx {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border: 1px solid #f3cfd0;
  border-radius: 14px;
  background: var(--white);
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--red);
  line-height: 1;
  transition: background 0.3s, color 0.3s, border-color 0.3s;
}

.why-item:hover .idx { border-color: var(--red); background: var(--red); color: #fff; }

.why-item h3 {
  font-size: 19px;
  color: var(--ink);
  margin: 2px 0 8px;
}

.why-item p { color: var(--muted); }

.why-panel {
  position: sticky;
  top: calc(var(--nav-h) + 28px);
  min-height: 460px;
  padding: 36px;
  border-radius: 28px;
  overflow: hidden;
  color: #fff;
  background:
    linear-gradient(160deg, rgba(16, 47, 64, 0.9), rgba(193, 39, 45, 0.5)),
    url("../assets/hero-plane.jpg") 30% center / cover no-repeat;
  box-shadow: var(--shadow);
}

.why-panel::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: linear-gradient(180deg, transparent 20%, rgba(10, 34, 49, 0.82));
}

.why-panel-inner {
  position: relative;
  z-index: 1;
  min-height: 388px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-start;
  gap: 14px;
}

.why-panel img.logo-mark {
  width: 150px;
  margin-bottom: auto;
  padding: 10px 14px;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 10px 30px rgba(5, 25, 36, 0.3);
}

.why-panel h3 {
  font-size: 28px;
  max-width: 10em;
}

.why-panel p {
  color: rgba(255, 255, 255, 0.84);
  max-width: 28em;
}

.why-panel .btn { margin-top: 8px; }

/* ---------- Airlines ---------- */

.airline-row {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 12px;
}

.airline-chip {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 124px;
  padding: 18px 10px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 20px;
  background: linear-gradient(170deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.03));
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  text-align: center;
  transition: transform 0.3s var(--ease), background 0.3s, border-color 0.3s;
}

.airline-chip:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.3);
  background: linear-gradient(170deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.05));
}

.airline-chip strong {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.1;
}

.airline-chip span {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.35;
}

/* ---------- Page hero (inner) ---------- */

.page-hero {
  position: relative;
  overflow: hidden;
  padding: 88px 0 80px;
  color: #fff;
  background:
    radial-gradient(600px 300px at 100% 0%, rgba(47, 111, 143, 0.45), transparent 70%),
    radial-gradient(500px 280px at 0% 100%, rgba(193, 39, 45, 0.2), transparent 70%),
    linear-gradient(150deg, var(--ink-900), var(--ink-deep) 60%, #1b4459);
}

.page-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px);
  background-size: 22px 22px;
  -webkit-mask-image: linear-gradient(100deg, transparent 30%, #000 90%);
  mask-image: linear-gradient(100deg, transparent 30%, #000 90%);
  pointer-events: none;
}

.page-hero::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 4vw;
  right: max(4vw, calc((100vw - var(--max)) / 2));
  width: 260px;
  height: 260px;
  background: rgba(255, 255, 255, 0.07);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M17.8 19.2 16 11l3.5-3.5C21 6 21.5 4 21 3c-1-.5-3 0-4.5 1.5L13 8 4.8 6.2c-.5-.1-.9.1-1.1.5l-.3.5c-.2.5-.1 1 .3 1.3L9 12l-2 3H4l-1 1 3 2 2 3 1-1v-3l3-2 3.5 5.3c.3.4.8.5 1.3.3l.5-.2c.4-.3.6-.7.5-1.2z'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M17.8 19.2 16 11l3.5-3.5C21 6 21.5 4 21 3c-1-.5-3 0-4.5 1.5L13 8 4.8 6.2c-.5-.1-.9.1-1.1.5l-.3.5c-.2.5-.1 1 .3 1.3L9 12l-2 3H4l-1 1 3 2 2 3 1-1v-3l3-2 3.5 5.3c.3.4.8.5 1.3.3l.5-.2c.4-.3.6-.7.5-1.2z'/%3E%3C/svg%3E") center / contain no-repeat;
  transform: translateY(-50%);
  pointer-events: none;
}

.page-hero .wrap { position: relative; z-index: 1; animation: rise 0.7s var(--ease) both; }

.breadcrumb {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 22px;
  padding: 6px 14px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.66);
}

.breadcrumb a { color: rgba(255, 255, 255, 0.86); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb span:last-child { color: #fff; }

.page-hero h1 {
  font-size: 52px;
  font-size: clamp(32px, 4.8vw, 52px);
  color: #fff;
  max-width: 16em;
  text-wrap: balance;
}

.page-hero p {
  margin-top: 18px;
  max-width: 38em;
  font-size: 18px;
  color: rgba(255, 255, 255, 0.76);
}

/* ---------- Detail blocks ---------- */

.detail-stack {
  display: grid;
  gap: 0;
}

.detail-block {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 40px;
  padding: 44px 0;
  border-bottom: 1px solid var(--line);
}

.detail-block:first-child { padding-top: 0; }
.detail-block:last-child { border-bottom: 0; padding-bottom: 0; }

.detail-block .label {
  position: sticky;
  top: calc(var(--nav-h) + 28px);
  align-self: start;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.label-icon {
  display: grid;
  width: 56px;
  height: 56px;
  margin-bottom: 16px;
  place-items: center;
  border-radius: 16px;
  background: linear-gradient(145deg, var(--ink), var(--sky));
  color: #fff;
  font-size: 26px;
  box-shadow: 0 12px 26px rgba(27, 62, 81, 0.22);
}

.label-num {
  color: var(--red);
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
}

.detail-block h2 {
  font-size: 30px;
  color: var(--ink);
  margin-bottom: 14px;
}

.detail-block p {
  color: var(--muted);
  margin-bottom: 12px;
}

.detail-block p:last-child { margin-bottom: 0; }

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  color: var(--ink);
  font-size: 13px;
  font-weight: 600;
}

.tag::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--red);
}

.mini-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}

.mini-item {
  position: relative;
  padding: 20px 20px 22px 22px;
  border: 1px solid var(--line-soft);
  border-radius: 16px;
  background: var(--white);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.mini-item::before {
  content: "";
  position: absolute;
  top: 20px;
  left: 0;
  width: 3px;
  height: 22px;
  border-radius: 0 3px 3px 0;
  background: var(--red);
}

.mini-item:hover { transform: translateY(-3px); box-shadow: 0 14px 34px rgba(16, 47, 64, 0.1); }

.mini-item h4 {
  font-size: 16px;
  color: var(--ink);
  margin-bottom: 6px;
}

.mini-item p {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}

/* ---------- About ---------- */

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 56px;
  align-items: start;
}

.prose {
  display: grid;
  gap: 18px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.85;
}

.prose strong { color: var(--ink); }

.info-sheet {
  position: relative;
  padding: 30px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--white);
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow);
}

.info-sheet::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--red), var(--ink));
}

.info-sheet .logo-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line-soft);
}

.info-sheet .logo-row img { width: 104px; }

.info-sheet .logo-row strong {
  display: block;
  color: var(--ink);
  font-family: var(--font-display);
  line-height: 1.4;
}

.info-sheet .logo-row span {
  color: var(--muted);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.info-sheet dl {
  margin: 0;
  display: grid;
  gap: 18px;
}

.info-sheet dt {
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 4px;
}

.info-sheet dd {
  margin: 0;
  color: var(--ink);
  font-weight: 600;
  line-height: 1.55;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.capability-item {
  padding: 28px 24px;
  border: 1px solid var(--line-soft);
  border-radius: 20px;
  background: var(--white);
  box-shadow: var(--shadow-sm);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

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

.cap-icon {
  display: grid;
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(145deg, var(--ink), var(--sky));
  color: #fff;
  font-size: 23px;
}

.capability-item h3 {
  font-size: 18px;
  color: var(--ink);
  margin-bottom: 10px;
}

.capability-item p {
  font-size: 14.5px;
  color: var(--muted);
}

/* ---------- Contact ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: start;
}

.contact-list {
  display: grid;
  gap: 12px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px 20px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow-sm);
  transition: border-color 0.25s, transform 0.3s var(--ease);
}

.contact-item:hover { border-color: #cfdae1; transform: translateX(3px); }

.ci-icon {
  display: grid;
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  place-items: center;
  border-radius: 12px;
  background: var(--red-50);
  color: var(--red);
  font-size: 21px;
}

.ci-body { min-width: 0; }

.contact-item h3 {
  font-family: var(--font-body);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 4px;
}

.contact-item p,
.contact-item a {
  color: var(--ink);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.contact-item a:hover { color: var(--red); }

.contact-item .ci-sub {
  margin-top: 6px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
}

.contact-cards {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

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

.contact-cards .contact-item {
  flex-direction: column;
  gap: 18px;
  padding: 24px 22px;
  border-radius: 20px;
}

.contact-cards .contact-item:hover { transform: translateY(-4px); box-shadow: var(--shadow); }

.contact-cards .contact-item p,
.contact-cards .contact-item a { font-size: 16px; }

.quote-form {
  position: relative;
  padding: 34px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--white);
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow);
}

.quote-form::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--red), var(--ink));
}

.quote-form h2 {
  font-size: 26px;
  color: var(--ink);
  margin-bottom: 8px;
}

.quote-form .hint {
  color: var(--muted);
  margin-bottom: 26px;
  font-size: 14px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.field {
  display: grid;
  gap: 7px;
}

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

.field label {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #f8fafb;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

.field select {
  padding-right: 40px;
  -webkit-appearance: none;
  appearance: none;
  background: #f8fafb url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235d7080' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") right 14px center / 16px no-repeat;
  cursor: pointer;
}

.field input::placeholder,
.field textarea::placeholder { color: #a3b1bc; }

.field textarea { min-height: 110px; resize: vertical; }

.field input:hover,
.field select:hover,
.field textarea:hover { border-color: #c7d3db; }

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--sky);
  background-color: #fff;
  box-shadow: 0 0 0 4px rgba(47, 111, 143, 0.14);
}

.form-actions {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

.form-note {
  font-size: 13.5px;
  color: var(--muted);
}

/* ---------- CTA band ---------- */

.cta-band {
  position: relative;
  overflow: hidden;
  padding: 88px 0;
  background:
    radial-gradient(640px 320px at 50% 0%, rgba(47, 111, 143, 0.4), transparent 72%),
    radial-gradient(520px 260px at 50% 110%, rgba(193, 39, 45, 0.24), transparent 70%),
    var(--ink-900);
  color: #fff;
  text-align: center;
}

.cta-band::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 22px 22px;
  -webkit-mask-image: radial-gradient(ellipse at center, #000 20%, transparent 70%);
  mask-image: radial-gradient(ellipse at center, #000 20%, transparent 70%);
  pointer-events: none;
}

.cta-band .wrap { position: relative; }

.cta-band img {
  width: 132px;
  margin: 0 auto 26px;
  padding: 9px 14px;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.3);
}

.cta-band h2 {
  font-size: 42px;
  font-size: clamp(28px, 4vw, 42px);
  margin-bottom: 14px;
  text-wrap: balance;
}

.cta-band p {
  max-width: 34em;
  margin: 0 auto 32px;
  color: rgba(255, 255, 255, 0.76);
}

.cta-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- Footer ---------- */

.site-footer {
  padding: 64px 0 28px;
  background: #081b26;
  color: rgba(255, 255, 255, 0.68);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand img {
  width: 124px;
  margin-bottom: 18px;
  padding: 8px 12px;
  border-radius: 12px;
  background: #fff;
}

.footer-brand p {
  max-width: 28em;
  font-size: 14px;
  line-height: 1.75;
}

.footer-col h4 {
  color: #fff;
  font-size: 13px;
  margin-bottom: 16px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.footer-col a,
.footer-col p {
  display: block;
  margin-bottom: 10px;
  font-size: 14px;
  transition: color 0.2s;
}

.footer-col a:hover { color: #fff; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 22px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}

/* ---------- Reveal ---------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

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

.service-item.reveal.is-in:hover { transform: translateY(-6px); }
.capability-item.reveal.is-in:hover { transform: translateY(-5px); }

.service-grid .reveal:nth-child(2),
.capability-grid .reveal:nth-child(2) { transition-delay: 0.06s; }
.service-grid .reveal:nth-child(3),
.capability-grid .reveal:nth-child(3) { transition-delay: 0.12s; }
.service-grid .reveal:nth-child(4),
.capability-grid .reveal:nth-child(4) { transition-delay: 0.18s; }
.service-grid .reveal.is-in:hover,
.capability-grid .reveal.is-in:hover { transition-delay: 0s; }

/* ---------- Responsive ---------- */

@media (max-width: 1080px) {
  .brand-text { display: none; }
  .nav-links a { padding: 8px 11px; }
}

@media (max-width: 980px) {
  .service-grid,
  .capability-grid,
  .contact-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .airline-row { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .contact-cards-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

  .why-grid,
  .about-grid,
  .contact-grid,
  .detail-block,
  .footer-top {
    grid-template-columns: 1fr;
  }

  .why-panel { position: relative; top: 0; }

  .detail-block { gap: 20px; }

  .detail-block .label {
    position: static;
    flex-direction: row;
    align-items: center;
    gap: 14px;
  }

  .label-icon { margin: 0; }

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

@media (max-width: 760px) {
  :root { --nav-h: 66px; }

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

  .brand img { width: 96px; }

  .nav-toggle { display: inline-flex; }

  .nav-links,
  .nav-cta {
    display: none;
  }

  .lang-switch button { min-width: 26px; padding: 6px 6px; }

  .site-nav.is-open .nav-panel {
    display: flex;
  }

  .nav-panel {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: var(--nav-h);
    width: 100%;
    flex-direction: column;
    gap: 4px;
    padding: 12px 16px 20px;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 20px 40px rgba(16, 47, 64, 0.12);
    animation: rise 0.3s var(--ease) both;
  }

  .nav-panel a {
    padding: 13px 14px;
    border-radius: 12px;
    font-weight: 600;
    color: var(--ink);
  }

  .nav-panel a:hover { background: var(--paper); }

  .nav-panel a.panel-cta {
    margin-top: 8px;
    background: var(--red);
    color: #fff;
    text-align: center;
  }

  .hero-content { padding: 56px 0 40px; }
  .hero-kicker { margin-bottom: 20px; font-size: 11px; letter-spacing: 0.06em; }
  .hero h1 { font-size: 36px; }
  .hero-stats { margin-top: 44px; gap: 10px; }
  .hero-stats > div { padding: 16px; }

  .section { padding: 72px 0; }
  .section-head { margin-bottom: 32px; }
  .section-head p { font-size: 16px; }

  .page-hero { padding: 60px 0 56px; }
  .page-hero::after { width: 160px; height: 160px; right: -30px; opacity: 0.7; }
  .page-hero p { font-size: 16px; }

  .form-grid,
  .mini-grid,
  .service-grid,
  .capability-grid,
  .contact-cards,
  .contact-cards-3 {
    grid-template-columns: 1fr;
  }

  .contact-cards .contact-item { flex-direction: row; gap: 16px; padding: 18px 20px; }

  .airline-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .airline-chip { min-height: 104px; }

  .why-panel { min-height: 0; padding: 28px; }
  .why-panel-inner { min-height: 340px; }

  .detail-block { padding: 36px 0; }
  .detail-block h2 { font-size: 26px; }
  .label-icon { width: 48px; height: 48px; font-size: 22px; border-radius: 14px; }
  .label-num { font-size: 32px; }

  .quote-form { padding: 26px 20px; }
  .cta-band { padding: 72px 0; }
}

html.i18n-boot body { visibility: hidden; }

html[lang="zh-TW"] {
  --font-body: "Noto Sans TC", "PingFang TC", "Noto Sans SC", "PingFang SC", sans-serif;
  --font-display: "Sora", "Noto Sans TC", "PingFang TC", sans-serif;
}

html[lang="en"] .hero h1 {
  max-width: 16ch;
  font-size: 60px;
  font-size: clamp(34px, 5.2vw, 60px);
}

html[lang="en"] .page-hero h1 { max-width: 20ch; }

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

  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}