:root {
  color-scheme: light;
  --ink: #111315;
  --ink-soft: #50555c;
  --ink-faint: #666d75;
  --paper: #fbfaf7;
  --surface: #f3f4f3;
  --surface-cool: #eef2f5;
  --line: rgba(17, 19, 21, 0.14);
  --line-strong: rgba(17, 19, 21, 0.28);
  --accent: #2c6088;
  --page: min(88rem, calc(100vw - 8rem));
  --side: clamp(1.25rem, 5vw, 4rem);
  --section-space: clamp(4.5rem, 7.5vw, 7.5rem);
  --font-sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
}

p,
h1,
h2,
h3,
dl,
dd {
  margin: 0;
}

.page-width {
  width: var(--page);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.7rem 1rem;
  background: var(--ink);
  color: #fff;
  font-size: 0.875rem;
  text-decoration: none;
  transform: translateY(-180%);
  transition: transform 180ms ease;
}

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

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid rgba(17, 19, 21, 0.08);
  background: rgba(251, 250, 247, 0.86);
  -webkit-backdrop-filter: blur(16px) saturate(120%);
  backdrop-filter: blur(16px) saturate(120%);
}

.header-inner {
  display: flex;
  width: var(--page);
  min-height: 4.75rem;
  align-items: center;
  justify-content: space-between;
  margin-inline: auto;
}

.brand {
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 680;
  letter-spacing: 0.24em;
  line-height: 1;
  text-decoration: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(1.15rem, 3vw, 2.75rem);
}

.site-nav a {
  position: relative;
  color: var(--ink-soft);
  font-size: 0.82rem;
  font-weight: 540;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: color 180ms ease;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: -0.45rem;
  left: 0;
  height: 1px;
  background: currentColor;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

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

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(4rem, 7vw, 6.5rem) 0 1.5rem;
}

.hero::before {
  position: absolute;
  z-index: -1;
  top: -22rem;
  right: -20rem;
  width: 52rem;
  height: 52rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(187, 207, 221, 0.32) 0, rgba(223, 231, 235, 0.12) 38%, transparent 70%);
  content: "";
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: end;
}

.hero-copy {
  min-width: 0;
}

.hero-copy {
  animation: intro-rise 650ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes intro-rise {
  from {
    opacity: 0;
    transform: translateY(0.75rem);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.eyebrow {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  align-items: center;
  margin-bottom: clamp(1.75rem, 3.5vw, 3rem);
  color: var(--accent);
  font-size: clamp(0.72rem, 1vw, 0.82rem);
  font-weight: 620;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow span + span::before {
  margin-right: 1rem;
  color: var(--line-strong);
  content: "/";
}

h1 {
  max-width: 70rem;
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.hero-name {
  display: block;
  max-width: 100%;
}

.hero-name--zh {
  font-size: clamp(2.55rem, 4.9vw, 4.4rem);
  letter-spacing: -0.075em;
  line-height: 1.04;
}

.hero-name--en {
  max-width: 60rem;
  margin-top: 0.65em;
  color: var(--ink-soft);
  font-size: clamp(1.9rem, 3.4vw, 3.15rem);
  font-weight: 420;
  letter-spacing: -0.058em;
  line-height: 1.04;
  overflow-wrap: normal;
  word-break: normal;
}

.hero-statement {
  display: grid;
  max-width: 48rem;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 1rem clamp(1.5rem, 3vw, 3.5rem);
  margin-top: clamp(2.25rem, 4vw, 3.5rem);
  padding-left: clamp(1rem, 3vw, 2.2rem);
  border-left: 1px solid var(--accent);
}

.hero-statement p {
  color: var(--ink-soft);
  font-size: clamp(0.95rem, 1.4vw, 1.12rem);
  line-height: 1.75;
}

.hero-statement p:first-child {
  color: var(--ink);
}

.hero-rule {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: clamp(3rem, 5vw, 4.5rem);
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--ink-faint);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
}

.section {
  padding-block: var(--section-space);
  border-top: 1px solid var(--line);
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(10rem, 3fr) minmax(0, 9fr);
  gap: clamp(3rem, 8vw, 9rem);
}

.section-heading {
  min-width: 0;
}

.section-index {
  margin-bottom: 1.4rem;
  color: var(--accent);
  font-size: 0.65rem;
  font-variant-numeric: tabular-nums;
  font-weight: 650;
  letter-spacing: 0.16em;
}

h2 {
  font-size: clamp(1.65rem, 2.7vw, 2.5rem);
  font-weight: 510;
  letter-spacing: -0.045em;
  line-height: 1.1;
}

h2 span,
h3 span,
.services-note span,
.contact-location span,
.fact dd span {
  display: block;
}

h2 span[lang="en"] {
  margin-top: 0.35rem;
  color: var(--ink-faint);
  font-size: 0.48em;
  font-weight: 580;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.paired-copy {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem clamp(2.5rem, 6vw, 6.5rem);
}

.paired-copy p {
  color: var(--ink-soft);
  font-size: clamp(0.95rem, 1.3vw, 1.08rem);
  line-height: 1.85;
}

.paired-copy p[lang="zh-CN"] {
  color: var(--ink);
}

.about-copy p {
  font-size: clamp(1rem, 1.4vw, 1.2rem);
  letter-spacing: -0.018em;
  line-height: 1.75;
}

.services {
  background: rgba(244, 245, 244, 0.66);
}

.services-intro {
  align-items: end;
  margin-bottom: clamp(2.5rem, 4.5vw, 4.25rem);
}

.services-note {
  padding-bottom: 0.25rem;
  color: var(--ink-soft);
  font-size: 0.88rem;
  line-height: 1.8;
}

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

.service-item {
  display: grid;
  grid-template-columns: 3rem minmax(14rem, 4fr) minmax(0, 6fr);
  gap: clamp(1.5rem, 4vw, 5rem);
  padding-block: clamp(2rem, 3.5vw, 3.25rem);
  border-bottom: 1px solid var(--line);
  transition: border-color 180ms ease, transform 180ms ease;
}

.service-item:hover {
  border-color: var(--line-strong);
  transform: translateX(0.25rem);
}

.service-number {
  padding-top: 0.35rem;
  color: var(--accent);
  font-size: 0.65rem;
  font-variant-numeric: tabular-nums;
  font-weight: 650;
  letter-spacing: 0.14em;
}

h3 {
  font-size: clamp(1.35rem, 2.1vw, 1.95rem);
  font-weight: 510;
  letter-spacing: -0.035em;
  line-height: 1.25;
}

h3 span[lang="en"] {
  max-width: 20rem;
  margin-top: 0.55rem;
  color: var(--ink-faint);
  font-size: 0.52em;
  font-weight: 560;
  letter-spacing: 0.055em;
  line-height: 1.45;
  text-transform: uppercase;
}

.service-copy {
  align-content: start;
}

.text-link {
  display: inline-flex;
  width: fit-content;
  grid-column: 1 / -1;
  flex-wrap: wrap;
  gap: 0.25rem 0.85rem;
  margin-top: 0.5rem;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 620;
  line-height: 1.55;
  text-decoration-color: rgba(44, 96, 136, 0.35);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.35rem;
  transition: color 180ms ease, text-decoration-color 180ms ease;
}

.text-link:hover {
  color: var(--ink);
  text-decoration-color: var(--ink);
}

.products {
  background: #f4f3f7;
}

.products-intro {
  align-items: end;
  margin-bottom: clamp(2.5rem, 4.5vw, 4rem);
}

.products-note {
  max-width: 42rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.75;
}

.products-note span {
  display: block;
}

.products-note span[lang="en"] {
  margin-top: 0.2rem;
  color: var(--ink-faint);
}

.product-card {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(19rem, 0.8fr);
  border: 1px solid rgba(75, 61, 110, 0.18);
  background: #fbfafc;
  color: var(--ink);
  overflow: hidden;
  text-decoration: none;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.product-card:hover {
  border-color: rgba(75, 61, 110, 0.38);
  box-shadow: 0 1.5rem 4rem rgba(36, 31, 53, 0.09);
  transform: translateY(-0.2rem);
}

.product-card__media {
  min-width: 0;
  margin: 0;
  background: #dce9f0;
  overflow: hidden;
}

.product-card__media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 28rem;
  object-fit: cover;
}

.product-card__copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2rem, 4.5vw, 4.5rem);
}

.product-status {
  width: fit-content;
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
  border: 1px solid rgba(77, 62, 112, 0.22);
  border-radius: 999px;
  padding: 0.4rem 0.75rem;
  color: #59477e;
  font-size: 0.68rem;
  font-weight: 650;
  letter-spacing: 0.08em;
}

.product-card h3 {
  font-size: clamp(2rem, 3.4vw, 3.35rem);
}

.product-card h3 span[lang="en"] {
  max-width: none;
  color: #61718f;
  font-size: 0.42em;
  letter-spacing: 0.12em;
}

.product-tagline {
  margin-top: clamp(1.5rem, 2.5vw, 2.25rem);
  color: #382f4c;
  font-size: clamp(1.05rem, 1.45vw, 1.22rem);
  font-weight: 560;
  line-height: 1.65;
}

.product-description {
  margin-top: 1rem;
  color: var(--ink-soft);
  font-size: 0.93rem;
  line-height: 1.8;
}

.product-cta {
  width: fit-content;
  margin-top: clamp(1.75rem, 3vw, 2.5rem);
  border-bottom: 1px solid rgba(44, 96, 136, 0.35);
  color: var(--accent);
  font-size: 0.84rem;
  font-weight: 650;
  line-height: 1.8;
}

.company {
  background: var(--paper);
}

.company-panel {
  display: grid;
  grid-template-columns: minmax(10rem, 3fr) minmax(0, 9fr);
  gap: clamp(3rem, 8vw, 9rem);
}

.company-facts {
  display: grid;
  border-top: 1px solid var(--line-strong);
}

.fact {
  display: grid;
  grid-template-columns: minmax(10rem, 3fr) minmax(0, 9fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  min-width: 0;
  padding-block: 1.35rem;
  border-bottom: 1px solid var(--line);
}

.fact dt {
  color: var(--ink-faint);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.fact dt span {
  margin-left: 0.55rem;
  text-transform: uppercase;
}

.fact dd {
  font-size: clamp(0.95rem, 1.4vw, 1.12rem);
  line-height: 1.55;
  overflow-wrap: break-word;
}

.fact dd span[lang="en"] {
  margin-top: 0.35rem;
  color: var(--ink-soft);
}

.fact a {
  color: var(--ink);
  text-decoration-color: rgba(17, 19, 21, 0.3);
  text-underline-offset: 0.3rem;
}

.contact {
  padding-bottom: var(--section-space);
}

.contact-details {
  min-width: 0;
}

.contact-location {
  margin-bottom: clamp(2rem, 4vw, 3rem);
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.contact-location span[lang="en"] {
  margin-top: 0.2rem;
  color: var(--ink-faint);
}

.contact-email {
  display: block;
  width: min(100%, 56rem);
  color: var(--ink);
  font-size: clamp(1.5rem, 3.2vw, 3.25rem);
  font-weight: 430;
  letter-spacing: -0.06em;
  line-height: 1.12;
  overflow-wrap: anywhere;
  text-decoration-color: rgba(44, 96, 136, 0.28);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  transition: color 180ms ease, text-decoration-color 180ms ease;
}

.contact-email:hover {
  color: var(--accent);
  text-decoration-color: var(--accent);
}

.site-footer {
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: flex;
  min-height: 8.5rem;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem 3rem;
  color: var(--ink-faint);
  font-size: 0.7rem;
  letter-spacing: 0.015em;
}

.footer-brand {
  display: grid;
  gap: 0.25rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.6rem 1.4rem;
}

.footer-links a {
  color: var(--ink-soft);
  text-decoration-color: rgba(44, 96, 136, 0.28);
  text-underline-offset: 0.25rem;
}

.footer-links a:hover {
  color: var(--accent);
}

@media (max-width: 1120px) {
  :root {
    --page: calc(100vw - (var(--side) * 2));
  }

  .service-item {
    grid-template-columns: 2rem minmax(12rem, 4fr) minmax(0, 6fr);
    gap: 1.5rem;
  }
}

@media (max-width: 720px) {
  :root {
    --section-space: clamp(3.75rem, 14vw, 5rem);
  }

  .header-inner {
    min-height: 4.25rem;
  }

  .site-nav {
    gap: clamp(0.85rem, 4vw, 1.35rem);
  }

  .site-nav a {
    font-size: 0.73rem;
  }

  .hero {
    min-height: auto;
    padding-top: clamp(4.5rem, 18vw, 6.5rem);
  }

  .section-grid,
  .company-panel {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-name--zh {
    font-size: clamp(2.3rem, 9.5vw, 3.25rem);
    line-height: 1.08;
  }

  .hero-name--en {
    font-size: clamp(1.7rem, 7vw, 2.3rem);
    line-height: 1.08;
  }

  .hero-statement,
  .paired-copy,
  .company-facts {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-statement {
    gap: 0.75rem;
  }

  .hero-statement p[lang="en"] {
    color: var(--ink-faint);
  }

  .section-grid,
  .company-panel {
    gap: 2.5rem;
  }

  .about-copy {
    gap: 1.5rem;
  }

  .services-intro {
    gap: 2rem;
  }

  .products-intro {
    gap: 1.5rem;
  }

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

  .product-card__media img {
    min-height: 0;
    aspect-ratio: 16 / 9;
  }

  .product-card__copy {
    padding: clamp(1.75rem, 8vw, 3rem);
  }

  .service-item {
    grid-template-columns: 2rem minmax(0, 1fr);
    gap: 1.25rem;
  }

  .service-copy {
    grid-column: 2;
    gap: 1rem;
  }

  .service-item:hover {
    transform: none;
  }

  .fact {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.6rem;
  }

  .footer-inner {
    min-height: 9rem;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 0.65rem;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (max-width: 390px) {
  :root {
    --side: 1.1rem;
  }

  .header-inner {
    min-height: 0;
    flex-wrap: wrap;
    gap: 0.15rem 1rem;
    padding-block: 0.65rem 0.3rem;
  }

  .brand {
    display: inline-flex;
    min-height: 1.75rem;
    align-items: center;
    letter-spacing: 0.16em;
  }

  .site-nav {
    width: 100%;
    flex: 1 0 100%;
    justify-content: space-between;
    gap: 0.25rem;
  }

  .site-nav a {
    display: inline-flex;
    min-height: 2.75rem;
    align-items: center;
    font-size: 0.75rem;
  }

  .site-nav a::after {
    bottom: 0.3rem;
  }

  .eyebrow {
    display: grid;
    gap: 0.35rem;
  }

  .eyebrow span + span::before {
    display: none;
  }

  .hero-name--zh {
    font-size: clamp(2.15rem, 10.5vw, 2.55rem);
    letter-spacing: -0.065em;
  }

  .hero-name--en {
    font-size: clamp(1.5rem, 7.5vw, 1.8rem);
    letter-spacing: -0.05em;
  }

  .service-item {
    grid-template-columns: 1.5rem minmax(0, 1fr);
    gap: 0.9rem;
  }

  .contact-email {
    font-size: clamp(1.35rem, 6.9vw, 1.65rem);
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-delay: 0ms !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
  }
}