:root {
  --brand: #5B6596;
  --brand-deep: #333A63;
  --brand-soft: #EEF0FA;
  --ink: #20243A;
  --muted: #6F7488;
  --line: rgba(91, 101, 150, 0.18);
  --paper: #FFFFFF;
  --warm: #F8F6F1;
  --shadow: 0 24px 70px rgba(55, 62, 101, 0.14);
  --radius-xl: 34px;
  --radius-lg: 24px;
  --radius-md: 16px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 12%, rgba(91, 101, 150, 0.10), transparent 28%),
    radial-gradient(circle at 90% 4%, rgba(91, 101, 150, 0.09), transparent 24%),
    linear-gradient(180deg, #FBFCFF 0%, #F8F6F1 100%);
  min-height: 100vh;
}

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

.site-shell {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
}

.header {
  position: sticky;
  top: 18px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 78px;
  margin: 18px 0 28px;
  padding: 14px 18px;
  border: 1px solid rgba(255,255,255,0.7);
  border-radius: 999px;
  background: rgba(255,255,255,0.78);
  backdrop-filter: blur(22px);
  box-shadow: 0 14px 40px rgba(47, 54, 88, 0.08);
}

.brand {
  display: flex;
  align-items: center;
  width: 172px;
  min-width: 150px;
}
.brand img {
  display: block;
  width: 100%;
  height: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--muted);
  font-size: 14px;
  letter-spacing: 0.02em;
}
.nav a { transition: color .2s ease; }
.nav a:hover { color: var(--brand-deep); }

.language-toggle {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand-deep);
  padding: 10px 14px;
  cursor: default;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  gap: 36px;
  align-items: stretch;
  min-height: 690px;
  padding: 56px;
  overflow: hidden;
  border-radius: 46px;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.95), rgba(248,249,255,0.82)),
    radial-gradient(circle at 84% 20%, rgba(91,101,150,0.20), transparent 31%);
  box-shadow: var(--shadow);
}
.hero::before,
.hero::after {
  content: "";
  position: absolute;
  pointer-events: none;
  border: 1px solid rgba(91,101,150,0.16);
  border-radius: 50%;
}
.hero::before {
  width: 720px;
  height: 290px;
  left: -120px;
  bottom: -84px;
  transform: rotate(-10deg);
}
.hero::after {
  width: 640px;
  height: 210px;
  right: -170px;
  top: 76px;
  transform: rotate(-17deg);
}

.hero-copy, .hero-card { position: relative; z-index: 1; }
.eyebrow {
  margin: 0 0 18px;
  color: var(--brand);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

h1, h2, h3, p { margin-top: 0; }
h1 {
  margin-bottom: 24px;
  color: var(--ink);
  font-size: clamp(44px, 6vw, 78px);
  line-height: 0.95;
  letter-spacing: -0.06em;
}
h1 span {
  display: block;
  max-width: 650px;
  margin-top: 22px;
  color: var(--brand-deep);
  font-size: clamp(21px, 2.1vw, 31px);
  line-height: 1.18;
  letter-spacing: -0.025em;
}
.lead {
  max-width: 650px;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.78;
}
.en-text { color: #555B73; }
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}
.btn {
  border: 0;
  border-radius: 999px;
  padding: 14px 20px;
  min-height: 50px;
  cursor: default;
}
.btn.primary {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 18px 34px rgba(91, 101, 150, 0.25);
}
.btn.secondary {
  background: rgba(255,255,255,0.78);
  color: var(--brand-deep);
  border: 1px solid var(--line);
}
.microcopy {
  margin: 14px 0 0;
  color: #8B90A4;
  font-size: 13px;
}

.hero-card {
  align-self: center;
  max-width: 470px;
  justify-self: end;
  width: 100%;
  border-radius: 36px;
  padding: 16px;
  background: rgba(255,255,255,0.72);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(255,255,255,0.8);
  box-shadow: 0 28px 80px rgba(51, 58, 99, 0.15);
}
.card-topline {
  display: flex;
  gap: 8px;
  padding: 12px 12px 0;
}
.card-topline span {
  width: 10px;
  height: 10px;
  border-radius: 99px;
  background: rgba(91,101,150,0.25);
}
.itinerary-card {
  margin-top: 10px;
  padding: 34px;
  border-radius: 28px;
  background:
    linear-gradient(180deg, #fff, #F5F6FC 100%);
}
.card-label {
  margin-bottom: 12px;
  color: var(--brand);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.itinerary-card h2 {
  margin-bottom: 28px;
  font-size: 32px;
  letter-spacing: -0.04em;
}
.check-row {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}
.check-row strong {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  color: #fff;
  background: var(--brand);
}
.check-row span {
  color: var(--ink);
  line-height: 1.4;
}
.check-row em {
  color: var(--muted);
  font-style: normal;
  font-size: 14px;
}

.section { padding: 96px 0 0; }
.section-heading {
  display: grid;
  grid-template-columns: 0.76fr 1fr;
  gap: 44px;
  align-items: end;
  margin-bottom: 34px;
}
.section-heading h2 {
  margin: 0;
  font-size: clamp(34px, 4vw, 56px);
  line-height: 1.02;
  letter-spacing: -0.055em;
}
.section-heading p:last-child {
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
}
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.service-card {
  min-height: 296px;
  padding: 28px;
  border: 1px solid rgba(91,101,150,0.12);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.72);
  box-shadow: 0 16px 40px rgba(47, 54, 88, 0.06);
}
.service-card span {
  display: inline-flex;
  margin-bottom: 32px;
  color: var(--brand);
  font-weight: 700;
  letter-spacing: 0.12em;
}
.service-card h3 {
  margin-bottom: 16px;
  color: var(--brand-deep);
  font-size: 22px;
  line-height: 1.22;
  letter-spacing: -0.02em;
}
.service-card em {
  color: var(--ink);
  font-style: normal;
  font-weight: 500;
}
.service-card p {
  color: var(--muted);
  line-height: 1.62;
}
.service-card .cn { margin-bottom: 0; color: #565C73; }

.process-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.process-step {
  padding: 34px;
  border-radius: var(--radius-xl);
  background: var(--brand);
  color: #fff;
  box-shadow: 0 24px 60px rgba(91, 101, 150, 0.22);
}
.process-step:nth-child(2) { background: #515B88; }
.process-step:nth-child(3) { background: var(--brand-deep); }
.step-number {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  margin-bottom: 60px;
  border-radius: 18px;
  background: rgba(255,255,255,0.16);
  font-weight: 700;
}
.process-step h3 {
  margin-bottom: 16px;
  font-size: 34px;
  letter-spacing: -0.04em;
}
.process-step p {
  color: rgba(255,255,255,0.78);
  line-height: 1.68;
}
.process-step .cn { color: rgba(255,255,255,0.9); }

.about-panel {
  display: grid;
  grid-template-columns: 0.82fr 1fr;
  gap: 40px;
  padding: 48px;
  border-radius: 38px;
  background: rgba(255,255,255,0.76);
  border: 1px solid rgba(255,255,255,0.82);
  box-shadow: var(--shadow);
}
.about-panel h2 {
  margin: 0;
  font-size: clamp(32px, 4vw, 54px);
  line-height: 1.04;
  letter-spacing: -0.055em;
}
.about-copy p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}
.about-copy .cn { color: #525870; }

.contact-section { padding-bottom: 70px; }
.contact-card {
  padding: 56px;
  border-radius: 38px;
  color: #fff;
  background:
    radial-gradient(circle at 88% 18%, rgba(255,255,255,0.18), transparent 26%),
    linear-gradient(135deg, var(--brand), var(--brand-deep));
  box-shadow: 0 28px 80px rgba(51, 58, 99, 0.2);
}
.contact-card .eyebrow { color: rgba(255,255,255,0.72); }
.contact-card h2 {
  margin-bottom: 18px;
  font-size: clamp(36px, 5vw, 70px);
  letter-spacing: -0.06em;
}
.contact-card p {
  max-width: 760px;
  color: rgba(255,255,255,0.78);
  font-size: 18px;
  line-height: 1.7;
}
.phone-line {
  display: inline-flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 30px;
  padding: 18px 24px;
  border-radius: 22px;
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.18);
}
.phone-line span { color: rgba(255,255,255,0.72); font-size: 14px; }
.phone-line strong { font-size: 26px; letter-spacing: 0.01em; }

.footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0 48px;
  color: var(--muted);
  font-size: 14px;
}
.footer strong { display: block; color: var(--brand-deep); margin-bottom: 6px; }
.footer p { margin: 0; }

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 920px) {
  .site-shell { width: min(100% - 28px, 720px); }
  .header { top: 10px; border-radius: 28px; flex-wrap: wrap; }
  .brand { width: 145px; }
  .nav { order: 3; width: 100%; justify-content: space-between; gap: 12px; padding: 4px 4px 0; }
  .language-toggle { padding: 8px 12px; }
  .hero { grid-template-columns: 1fr; padding: 34px 24px; min-height: auto; border-radius: 34px; }
  .hero-card { justify-self: start; max-width: none; }
  .lead { font-size: 17px; }
  .section { padding-top: 72px; }
  .section-heading, .about-panel { grid-template-columns: 1fr; gap: 22px; }
  .service-grid, .process-track { grid-template-columns: 1fr; }
  .step-number { margin-bottom: 38px; }
  .contact-card, .about-panel { padding: 32px 24px; border-radius: 30px; }
  .footer { flex-direction: column; padding-bottom: 34px; }
}

@media (max-width: 520px) {
  .nav { font-size: 13px; }
  .hero-actions { display: block; }
  .btn { width: 100%; margin-bottom: 10px; }
  .itinerary-card { padding: 24px; }
  .check-row { grid-template-columns: 44px 1fr; }
  .phone-line { display: flex; width: 100%; }
  .phone-line strong { font-size: 22px; }
}