:root {
  color-scheme: light;
  --navy: #0b2a4a;
  --navy-deep: #071d33;
  --blue: #4da3ff;
  --gold: #d6a63a;
  --ink: #13283c;
  --muted: #5e7081;
  --surface: #f4f7fa;
  --line: #dce5ed;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(11, 42, 74, 0.12);
  font-family:
    -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'PingFang SC', 'Microsoft YaHei',
    'Helvetica Neue', Arial, sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--white);
  color: var(--ink);
  line-height: 1.65;
}

a {
  color: inherit;
}

.shell {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  border-radius: 8px;
  background: var(--white);
  color: var(--navy);
  transform: translateY(-180%);
}

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

.site-header {
  position: absolute;
  z-index: 10;
  top: 0;
  right: 0;
  left: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.13);
  color: var(--white);
}

.header-inner {
  display: flex;
  min-height: 82px;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.wordmark-en {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.2em;
}

.wordmark-divider {
  width: 1px;
  height: 18px;
  background: rgba(255, 255, 255, 0.48);
}

.wordmark-cn {
  font-size: 0.97rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.site-nav {
  display: flex;
  gap: 30px;
  font-size: 0.92rem;
}

.site-nav a {
  color: rgba(255, 255, 255, 0.82);
  text-decoration: none;
  transition: color 160ms ease;
}

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

.hero {
  position: relative;
  min-height: 720px;
  overflow: hidden;
  background: linear-gradient(120deg, rgba(7, 29, 51, 0.98), rgba(11, 42, 74, 0.94)), var(--navy);
  color: var(--white);
}

.hero::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  content: '';
  mask-image: linear-gradient(to bottom, black, transparent 90%);
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
}

.hero-orb-one {
  top: 14%;
  right: -120px;
  width: 440px;
  height: 440px;
  background: rgba(77, 163, 255, 0.14);
}

.hero-orb-two {
  right: 24%;
  bottom: -250px;
  width: 500px;
  height: 500px;
  border: 1px solid rgba(214, 166, 58, 0.24);
}

.hero-layout {
  position: relative;
  display: grid;
  min-height: 720px;
  align-items: center;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 80px;
  padding-top: 82px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--blue);
  font-size: 0.76rem;
  font-weight: 750;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero-copy h1 {
  margin: 0;
  font-size: clamp(3.3rem, 7vw, 6.3rem);
  font-weight: 720;
  letter-spacing: -0.055em;
  line-height: 1.02;
}

.hero-lead {
  max-width: 640px;
  margin: 28px 0 38px;
  color: rgba(255, 255, 255, 0.75);
  font-size: clamp(1.08rem, 2vw, 1.3rem);
}

.primary-action {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  gap: 28px;
  padding: 0 22px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  font-weight: 650;
  text-decoration: none;
  backdrop-filter: blur(12px);
  transition:
    border-color 160ms ease,
    background 160ms ease,
    transform 160ms ease;
}

.primary-action:hover,
.primary-action:focus-visible {
  border-color: rgba(255, 255, 255, 0.48);
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-2px);
}

.hero-panel {
  position: relative;
  min-height: 350px;
  padding: 46px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 28px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.03));
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.17);
  backdrop-filter: blur(16px);
}

.panel-mark {
  display: grid;
  width: 84px;
  height: 84px;
  margin-bottom: 64px;
  place-items: center;
  border: 1px solid rgba(214, 166, 58, 0.65);
  border-radius: 50%;
  color: var(--gold);
  font-family: Georgia, serif;
  font-size: 2.25rem;
}

.hero-panel p {
  margin: 0 0 5px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.88rem;
}

.hero-panel strong {
  font-size: 1.25rem;
  letter-spacing: 0.04em;
}

.panel-lines {
  display: flex;
  gap: 7px;
  margin-top: 30px;
}

.panel-lines span {
  display: block;
  width: 32px;
  height: 3px;
  border-radius: 999px;
  background: var(--blue);
  opacity: 0.7;
}

.panel-lines span:nth-child(2) {
  width: 18px;
  background: var(--gold);
}

.panel-lines span:nth-child(3) {
  width: 8px;
  background: rgba(255, 255, 255, 0.4);
}

.section {
  padding: 112px 0;
}

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

.section-heading h2,
.contact-card h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 680;
  letter-spacing: -0.035em;
  line-height: 1.2;
}

.service-grid {
  display: grid;
  margin-top: 58px;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.service-card {
  position: relative;
  min-height: 280px;
  padding: 34px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--white);
  transition:
    box-shadow 180ms ease,
    transform 180ms ease;
}

.service-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.service-card::after {
  position: absolute;
  right: -30px;
  bottom: -52px;
  width: 130px;
  height: 130px;
  border: 26px solid var(--surface);
  border-radius: 50%;
  content: '';
}

.service-number {
  display: block;
  margin-bottom: 64px;
  color: var(--gold);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.service-card h3 {
  margin: 0 0 12px;
  color: var(--navy);
  font-size: 1.35rem;
}

.service-card p {
  position: relative;
  z-index: 1;
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

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

.about-layout {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 100px;
}

.about-copy {
  max-width: 660px;
  color: var(--muted);
  font-size: 1.07rem;
}

.about-copy p {
  margin: 0 0 20px;
}

.contact-section {
  padding: 84px 0;
}

.contact-card {
  display: grid;
  padding: 58px;
  border-radius: 30px;
  background:
    radial-gradient(circle at 90% 0, rgba(77, 163, 255, 0.18), transparent 34%), var(--navy);
  color: var(--white);
  grid-template-columns: 0.9fr 1.1fr;
  gap: 90px;
}

.eyebrow-light {
  color: var(--gold);
}

.contact-card h2 {
  color: var(--white);
}

.contact-card > div > p:last-child {
  max-width: 420px;
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.65);
}

.contact-details {
  margin: 0;
}

.contact-details div {
  padding: 22px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.contact-details div:first-child {
  padding-top: 0;
}

.contact-details div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.contact-details dt {
  margin-bottom: 7px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.8rem;
}

.contact-details dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.contact-details a {
  color: var(--white);
  text-underline-offset: 4px;
}

.site-footer {
  padding: 28px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-inner p {
  margin: 0;
}

.filing-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 16px;
}

.filing-link {
  text-decoration: none;
}

.filing-link:hover,
.filing-link:focus-visible {
  color: var(--navy);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.filing-link[data-filing-number=''] {
  display: none;
}

:focus-visible {
  outline: 3px solid rgba(77, 163, 255, 0.75);
  outline-offset: 4px;
}

@media (max-width: 860px) {
  .site-nav {
    display: none;
  }

  .hero,
  .hero-layout {
    min-height: auto;
  }

  .hero-layout {
    grid-template-columns: 1fr;
    gap: 46px;
    padding-top: 154px;
    padding-bottom: 80px;
  }

  .hero-panel {
    min-height: 280px;
  }

  .panel-mark {
    margin-bottom: 42px;
  }

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

  .service-card {
    min-height: 230px;
  }

  .service-number {
    margin-bottom: 36px;
  }

  .about-layout,
  .contact-card {
    grid-template-columns: 1fr;
    gap: 42px;
  }
}

@media (max-width: 560px) {
  .shell {
    width: min(100% - 32px, 1120px);
  }

  .header-inner {
    min-height: 72px;
  }

  .wordmark {
    gap: 9px;
  }

  .wordmark-en {
    font-size: 0.9rem;
  }

  .wordmark-cn {
    font-size: 0.84rem;
  }

  .hero-layout {
    padding-top: 132px;
    padding-bottom: 62px;
  }

  .hero-copy h1 {
    font-size: clamp(2.9rem, 15vw, 4.2rem);
  }

  .hero-lead {
    margin-top: 22px;
    font-size: 1rem;
  }

  .hero-panel {
    min-height: 250px;
    padding: 30px;
    border-radius: 22px;
  }

  .panel-mark {
    width: 70px;
    height: 70px;
    margin-bottom: 34px;
  }

  .section {
    padding: 78px 0;
  }

  .service-grid {
    margin-top: 38px;
  }

  .service-card {
    padding: 28px;
  }

  .contact-section {
    padding: 56px 0;
  }

  .contact-card {
    padding: 34px 26px;
    border-radius: 24px;
  }

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

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

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

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