:root {
  --ink-950: #0f1c2a;
  --ink-800: #223345;
  --ink-700: #355166;
  --brand-700: #105a5b;
  --brand-500: #2c8080;
  --accent-500: #d17a45;
  --paper-50: #f7f3ec;
  --paper-100: #f1ece3;
  --mint-100: #dde8e4;
  --line: rgba(15, 28, 42, 0.1);
  --shadow-lg: 0 24px 70px rgba(15, 28, 42, 0.12);
  --shadow-md: 0 18px 40px rgba(15, 28, 42, 0.08);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --content-width: min(1180px, calc(100vw - 40px));
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink-950);
  background:
    radial-gradient(circle at top left, rgba(44, 128, 128, 0.18), transparent 34%),
    radial-gradient(circle at top right, rgba(209, 122, 69, 0.14), transparent 28%),
    linear-gradient(180deg, #fcfaf6 0%, #f2ece4 40%, #f7f3ec 100%);
  font-family: "Manrope", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(15, 28, 42, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 28, 42, 0.04) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.4), transparent 75%);
  pointer-events: none;
}

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

img {
  max-width: 100%;
}

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

.skip-link {
  position: absolute;
  left: 16px;
  top: -48px;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--ink-950);
  color: white;
  z-index: 100;
}

.skip-link:focus {
  top: 16px;
}

.page-shell {
  position: relative;
}

.topbar {
  padding: 10px 20px;
  background: rgba(15, 28, 42, 0.92);
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-align: center;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(18px);
  background: rgba(247, 243, 236, 0.82);
  border-bottom: 1px solid rgba(15, 28, 42, 0.08);
}

.header-inner,
.section,
.site-footer {
  width: var(--content-width);
  margin: 0 auto;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 0;
}

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

.brand-logo {
  display: block;
  width: auto;
  height: 58px;
  object-fit: contain;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  color: white;
  background: linear-gradient(135deg, var(--brand-700), var(--ink-800));
  box-shadow: var(--shadow-md);
  font-weight: 800;
  letter-spacing: 0.12em;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.brand-copy strong {
  font-size: 1rem;
  line-height: 1.1;
}

.brand-copy span:last-child {
  color: var(--ink-700);
  font-size: 0.82rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
}

.site-nav a:not(.button) {
  color: var(--ink-700);
  font-weight: 600;
}

.site-nav a[aria-current="page"] {
  color: var(--ink-950);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--brand-700);
}

.lang-link {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(16, 90, 91, 0.08);
}

.nav-toggle {
  display: none;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 22px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--brand-700), var(--ink-800));
  color: white;
  font-weight: 700;
  box-shadow: var(--shadow-md);
  transition:
    transform 220ms ease,
    box-shadow 220ms ease,
    background 220ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-secondary,
.button-ghost {
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink-950);
  border: 1px solid rgba(15, 28, 42, 0.12);
  box-shadow: none;
}

.section {
  padding: 84px 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.88fr);
  gap: 36px;
  align-items: stretch;
  padding-top: 64px;
}

.eyebrow,
.panel-label {
  margin: 0 0 14px;
  color: var(--brand-700);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero h1,
.page-heading h1,
.section-heading h2,
.cta-band h2 {
  margin: 0;
  line-height: 1.02;
  letter-spacing: -0.04em;
  font-weight: 800;
}

.hero h1 {
  max-width: 12ch;
  font-size: clamp(2.8rem, 7vw, 5.5rem);
}

.page-heading h1 {
  max-width: 14ch;
  font-size: clamp(2.4rem, 5vw, 4.4rem);
}

.lead,
.section-heading p,
.timeline p,
.info-card p,
.principles-card li,
.metric-card span,
.contact-card span,
.footprint-panel li,
.hero-panel p {
  color: var(--ink-700);
}

.lead {
  max-width: 62ch;
  margin: 22px 0 0;
  font-size: 1.1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  padding: 0;
  margin: 28px 0 0;
}

.hero-tags li {
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(15, 28, 42, 0.08);
  font-size: 0.92rem;
  font-weight: 700;
}

.hero-panel-card,
.metric-card,
.info-card,
.principles-card,
.footprint-panel,
.contact-card,
.cta-band {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(15, 28, 42, 0.08);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.76);
  box-shadow: var(--shadow-md);
}

.hero-panel-card {
  height: 100%;
  padding: 28px;
  background:
    radial-gradient(circle at top right, rgba(44, 128, 128, 0.14), transparent 30%),
    linear-gradient(180deg, rgba(221, 232, 228, 0.55), rgba(255, 255, 255, 0.9));
}

.signal-list {
  display: grid;
  gap: 18px;
}

.signal-list article,
.timeline article {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: start;
}

.signal-list span,
.timeline span {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: rgba(16, 90, 91, 0.1);
  color: var(--brand-700);
  font-weight: 800;
}

.signal-list h2,
.timeline h3,
.info-card h3,
.contact-card h3,
.footprint-panel h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
}

.signal-list p,
.timeline p,
.info-card p {
  margin: 0;
}

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

.metric-card {
  padding: 24px;
}

.metric-card strong {
  display: block;
  margin-bottom: 10px;
  font-size: 1.5rem;
  line-height: 1.1;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-heading.narrow {
  max-width: 680px;
}

.section-heading h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  max-width: 15ch;
}

.section-heading p {
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: 1.02rem;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--brand-700);
  font-weight: 700;
}

.text-link::after {
  content: "->";
}

.page-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 20px;
  align-items: end;
  padding-top: 56px;
  padding-bottom: 48px;
}

.page-hero-panel,
.detail-card,
.service-block {
  padding: 24px;
  border: 1px solid rgba(15, 28, 42, 0.08);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.76);
  box-shadow: var(--shadow-md);
}

.page-hero-panel {
  background:
    radial-gradient(circle at top right, rgba(44, 128, 128, 0.12), transparent 34%),
    rgba(255, 255, 255, 0.84);
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.detail-card h2,
.detail-card h3 {
  margin: 0 0 10px;
  font-size: 1.32rem;
}

.detail-card p {
  margin: 0;
  color: var(--ink-700);
}

.service-stack {
  display: grid;
  gap: 18px;
}

.service-block {
  display: grid;
  grid-template-columns: minmax(180px, 0.42fr) minmax(0, 1fr);
  gap: 24px;
}

.service-head h2 {
  margin: 0;
  font-size: 1.56rem;
  line-height: 1.08;
}

.service-body p {
  margin: 0;
  color: var(--ink-700);
}

.service-list {
  display: grid;
  gap: 10px;
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
}

.service-list li {
  position: relative;
  padding-left: 18px;
  color: var(--ink-700);
}

.service-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-500);
}

.card-grid,
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.info-card,
.contact-card,
.footprint-panel {
  padding: 24px;
}

.info-card::after,
.hero-panel-card::after,
.cta-band::after {
  content: "";
  position: absolute;
  inset: auto -40px -40px auto;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(209, 122, 69, 0.18), transparent 70%);
  pointer-events: none;
}

.split-grid,
.footprint-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 18px;
  align-items: start;
}

.timeline {
  display: grid;
  gap: 18px;
}

.timeline article,
.principles-card,
.footprint-panel {
  padding: 24px;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(15, 28, 42, 0.08);
  border-radius: var(--radius-lg);
}

.principles-card ul,
.signal-bullets,
.location-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.principles-card li,
.signal-bullets li,
.location-list li {
  position: relative;
  padding-left: 18px;
}

.principles-card li + li,
.signal-bullets li + li,
.location-list li + li {
  margin-top: 14px;
}

.principles-card li::before,
.signal-bullets li::before,
.location-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-500);
}

.location-list strong,
.contact-card p {
  display: block;
  margin-bottom: 4px;
}

.highlight {
  background:
    radial-gradient(circle at top right, rgba(44, 128, 128, 0.14), transparent 35%),
    rgba(255, 255, 255, 0.82);
}

.contact-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.contact-card a {
  color: var(--brand-700);
  font-weight: 700;
}

.contact-card span {
  font-size: 0.94rem;
}

.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 22px;
  padding: 28px;
  background:
    linear-gradient(135deg, rgba(16, 90, 91, 0.94), rgba(15, 28, 42, 0.96)),
    rgba(255, 255, 255, 0.95);
  color: white;
}

.cta-band .eyebrow {
  color: rgba(255, 255, 255, 0.72);
}

.cta-band h2 {
  max-width: 16ch;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
}

.cta-band .button {
  flex-shrink: 0;
  background: white;
  color: var(--ink-950);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 0 36px;
  color: var(--ink-700);
  font-size: 0.92rem;
}

.site-footer p:last-child {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-meta {
  width: var(--content-width);
  margin: 0 auto 28px;
  padding: 20px 24px;
  border: 1px solid rgba(15, 28, 42, 0.08);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow-md);
  text-align: center;
  color: var(--ink-700);
}

.footer-meta p {
  margin: 0;
}

.footer-meta p + p {
  margin-top: 10px;
}

.icp-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.icp-links a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ink-700);
}

.icp-links img {
  width: 16px;
  height: 16px;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 600ms ease,
    transform 600ms ease;
}

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

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(44, 128, 128, 0.35);
  outline-offset: 3px;
}

@media (max-width: 1080px) {
  .hero,
  .page-hero,
  .split-grid,
  .footprint-grid,
  .card-grid,
  .contact-grid,
  .metrics,
  .detail-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero {
    align-items: start;
  }

  .section-heading h2 {
    max-width: none;
  }

  .cta-band {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 820px) {
  .topbar {
    font-size: 0.72rem;
    letter-spacing: 0.12em;
  }

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

  .site-nav {
    position: absolute;
    top: calc(100% + 10px);
    right: 20px;
    left: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 18px;
    border: 1px solid rgba(15, 28, 42, 0.08);
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: var(--shadow-lg);
  }

  .site-header[data-nav-open="true"] .site-nav {
    display: flex;
  }

  .nav-cta {
    width: 100%;
  }

  .hero,
  .page-hero,
  .split-grid,
  .footprint-grid,
  .card-grid,
  .contact-grid,
  .metrics,
  .detail-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 68px 0;
  }

  .hero {
    padding-top: 46px;
  }

  .page-hero {
    padding-top: 38px;
    padding-bottom: 36px;
  }

  .hero h1 {
    max-width: none;
  }

  .page-heading h1 {
    max-width: none;
  }

  .service-block {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .header-inner,
  .section,
  .site-footer {
    width: min(calc(100vw - 28px), 1180px);
  }

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

  .brand {
    align-items: flex-start;
  }

  .brand-logo {
    height: 50px;
  }

  .icp-links {
    flex-direction: column;
    gap: 10px;
  }
}

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

  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .button:hover,
  .button:focus-visible {
    transform: none;
  }
}