:root {
  color-scheme: light;
  --ink: #09262b;
  --muted: #5c7478;
  --line: #dbe8e9;
  --surface: #ffffff;
  --surface-soft: #f3f8f8;
  --navy: #041b22;
  --navy-soft: #0b3138;
  --teal: #0f9f9b;
  --teal-bright: #2cd6d9;
  --aqua: #dff7f5;
  --shadow: 0 24px 70px rgba(4, 27, 34, 0.14);
  --radius-lg: 28px;
  --radius-md: 18px;
  --shell: 1160px;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-size: 16px;
  line-height: 1.7;
}

a {
  color: inherit;
}

img {
  display: block;
  max-width: 100%;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: 8px;
  color: var(--navy);
  background: #ffffff;
  transform: translateY(-160%);
}

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

.shell {
  width: min(calc(100% - 40px), var(--shell));
  margin: 0 auto;
}

.narrow-shell {
  max-width: 1040px;
}

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 10;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.header-inner {
  display: flex;
  min-height: 82px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand img {
  width: 205px;
  height: 60px;
  object-fit: contain;
  object-position: left center;
}

nav {
  display: flex;
  gap: 30px;
}

nav a,
.back-link {
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
  text-decoration: none;
}

nav a:hover,
nav a:focus-visible,
.back-link:hover,
.back-link:focus-visible {
  color: #ffffff;
}

.hero {
  position: relative;
  min-height: 720px;
  overflow: hidden;
  color: #ffffff;
  background:
    linear-gradient(130deg, rgba(4, 27, 34, 0.99) 0%, rgba(5, 43, 51, 0.98) 58%, rgba(7, 62, 68, 0.96) 100%);
}

.hero::after {
  position: absolute;
  right: -7vw;
  bottom: -26vw;
  width: 70vw;
  height: 70vw;
  border: 1px solid rgba(44, 214, 217, 0.14);
  border-radius: 50%;
  content: "";
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(4px);
  opacity: 0.8;
}

.hero-glow-one {
  top: 130px;
  right: 12%;
  width: 330px;
  height: 330px;
  background: radial-gradient(circle, rgba(44, 214, 217, 0.14), transparent 70%);
}

.hero-glow-two {
  bottom: 70px;
  left: 35%;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(15, 159, 155, 0.12), transparent 72%);
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  min-height: 720px;
  padding-top: 120px;
  align-items: center;
  grid-template-columns: minmax(0, 860px);
}

.hero-copy {
  max-width: 860px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--teal-bright);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow.dark {
  color: var(--teal);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(44px, 6vw, 76px);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.hero-lead {
  max-width: 680px;
  margin-bottom: 34px;
  color: rgba(238, 250, 251, 0.78);
  font-size: clamp(18px, 2.1vw, 23px);
  line-height: 1.75;
}

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

.button {
  display: inline-flex;
  min-height: 50px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  text-decoration: none;
}

.button.primary {
  color: #012227;
  background: var(--teal-bright);
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.24);
  color: #ffffff;
  background: rgba(255, 255, 255, 0.05);
}

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

.status-card {
  position: relative;
  padding: 42px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.04));
  box-shadow: 0 26px 80px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(16px);
}

.status-icon {
  display: flex;
  width: 66px;
  height: 66px;
  margin-bottom: 30px;
  border-radius: 20px;
  align-items: flex-end;
  justify-content: center;
  gap: 6px;
  background: rgba(44, 214, 217, 0.12);
}

.status-icon span {
  width: 7px;
  border-radius: 999px;
  background: var(--teal-bright);
}

.status-icon span:nth-child(1) {
  height: 23px;
}

.status-icon span:nth-child(2) {
  height: 37px;
}

.status-icon span:nth-child(3) {
  height: 29px;
}

.status-label {
  margin-bottom: 8px;
  color: var(--teal-bright);
  font-size: 13px;
  font-weight: 700;
}

.status-card h2 {
  margin-bottom: 16px;
  font-size: 30px;
  line-height: 1.3;
}

.status-card > p:last-child {
  margin-bottom: 0;
  color: rgba(238, 250, 251, 0.72);
}

.section {
  padding: 110px 0;
}

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

.section h2 {
  margin-bottom: 22px;
  font-size: clamp(32px, 4.5vw, 50px);
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.section-lead {
  max-width: 820px;
  color: var(--muted);
  font-size: 19px;
}

.business-summary {
  margin-top: 42px;
  padding: 30px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--teal);
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #ffffff 0%, #f3fafa 100%);
}

.business-summary > span {
  display: block;
  margin-bottom: 12px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.business-summary h3 {
  margin-bottom: 10px;
  font-size: 24px;
}

.business-summary p {
  max-width: 860px;
  margin-bottom: 0;
  color: var(--muted);
}

.principle-grid {
  display: grid;
  margin-top: 58px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.principle-grid article {
  min-height: 240px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, #ffffff 0%, #f8fbfb 100%);
}

.card-index {
  display: block;
  margin-bottom: 46px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.principle-grid h3 {
  margin-bottom: 10px;
  font-size: 22px;
}

.principle-grid p {
  margin-bottom: 0;
  color: var(--muted);
}

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

.boundary-grid {
  display: grid;
  align-items: start;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 72px;
}

.boundary-list {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
  gap: 14px;
}

.boundary-list li {
  display: grid;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #ffffff;
  grid-template-columns: 36px 1fr;
  gap: 16px;
}

.check {
  display: inline-flex;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  color: #067d79;
  background: var(--aqua);
  font-weight: 800;
}

.boundary-list strong {
  display: block;
  margin-bottom: 6px;
  font-size: 17px;
}

.boundary-list p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.product-section {
  overflow: hidden;
  background: var(--surface-soft);
}

.product-grid {
  display: grid;
  align-items: center;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.9fr);
  gap: 86px;
}

.product-stage {
  position: relative;
  display: flex;
  min-height: 610px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 50% 45%, rgba(44, 214, 217, 0.18), transparent 42%),
    linear-gradient(155deg, #ffffff, #e8f5f4);
  box-shadow: var(--shadow);
}

.product-stage img {
  position: relative;
  z-index: 2;
  width: min(62%, 360px);
  height: auto;
  filter: drop-shadow(0 30px 26px rgba(4, 27, 34, 0.2));
}

.product-orbit {
  position: absolute;
  border: 1px solid rgba(15, 159, 155, 0.18);
  border-radius: 50%;
}

.product-orbit-one {
  width: 460px;
  height: 460px;
}

.product-orbit-two {
  width: 620px;
  height: 620px;
}

.product-kicker {
  margin: -10px 0 24px;
  color: var(--teal);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.product-points {
  display: grid;
  margin: 34px 0 28px;
  padding: 0;
  list-style: none;
  gap: 14px;
}

.product-points li {
  position: relative;
  padding: 15px 18px 15px 48px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #ffffff;
  font-weight: 700;
}

.product-points li::before {
  position: absolute;
  top: 50%;
  left: 18px;
  width: 14px;
  height: 14px;
  border: 4px solid var(--aqua);
  border-radius: 50%;
  background: var(--teal);
  content: "";
  transform: translateY(-50%);
}

.media-section {
  background: #ffffff;
}

.media-heading {
  margin-bottom: 54px;
}

.media-heading h2 {
  margin-bottom: 0;
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.media-card {
  display: flex;
  min-height: 270px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  flex-direction: column;
  text-decoration: none;
  background: linear-gradient(180deg, #ffffff 0%, #f6fafa 100%);
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.media-card:hover,
.media-card:focus-visible {
  border-color: rgba(15, 159, 155, 0.5);
  box-shadow: 0 18px 50px rgba(4, 27, 34, 0.11);
  transform: translateY(-3px);
}

.media-meta {
  margin-bottom: 42px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.media-card h3 {
  margin-bottom: 16px;
  font-size: 22px;
  line-height: 1.45;
}

.media-link {
  margin-top: auto;
  color: #087f7c;
  font-weight: 700;
}

.media-link b {
  margin-left: 4px;
}

.contact-section {
  padding: 80px 0;
  background: #ffffff;
}

.contact-panel {
  display: grid;
  padding: 54px;
  border-radius: var(--radius-lg);
  color: #ffffff;
  background: linear-gradient(135deg, var(--navy), var(--navy-soft));
  box-shadow: var(--shadow);
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.8fr);
  gap: 60px;
}

.contact-panel h2 {
  margin-bottom: 14px;
  font-size: clamp(32px, 4vw, 46px);
}

.contact-panel p {
  margin-bottom: 0;
  color: rgba(238, 250, 251, 0.72);
}

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

.contact-links a,
.contact-links .contact-item {
  display: flex;
  min-height: 86px;
  padding: 18px 20px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 14px;
  flex-direction: column;
  justify-content: center;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.05);
}

.contact-links span {
  color: rgba(238, 250, 251, 0.62);
  font-size: 13px;
}

.contact-links strong {
  font-size: 17px;
  overflow-wrap: anywhere;
}

.site-footer {
  padding: 34px 0;
  color: rgba(238, 250, 251, 0.72);
  background: #03151a;
}

.footer-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.site-footer strong {
  color: #ffffff;
}

.site-footer p {
  margin: 4px 0 0;
  font-size: 13px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 22px;
}

.footer-links a {
  font-size: 13px;
  text-decoration: none;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: #ffffff;
}

.public-security-filing {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  line-height: 1.5;
}

.public-security-filing img {
  flex: 0 0 auto;
  width: 20px;
  height: auto;
}

.public-security-filing:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 4px;
}

.compact-header {
  position: relative;
  background: var(--navy);
}

.legal-page {
  background: var(--surface-soft);
}

.legal-main {
  padding: 70px 20px 90px;
}

.legal-card {
  width: min(100%, 900px);
  margin: 0 auto;
  padding: clamp(34px, 6vw, 70px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #ffffff;
  box-shadow: var(--shadow);
}

.legal-card h1 {
  margin-bottom: 8px;
  color: var(--ink);
  font-size: clamp(38px, 6vw, 58px);
}

.legal-updated {
  margin-bottom: 44px;
  color: var(--muted);
  font-size: 14px;
}

.legal-card section + section {
  margin-top: 36px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
}

.legal-card h2 {
  margin-bottom: 12px;
  font-size: 22px;
}

.legal-card section p {
  margin-bottom: 0;
  color: var(--muted);
}

.legal-card section a {
  color: #087f7c;
}

.legal-footer {
  margin-top: 0;
}

@media (max-width: 860px) {
  .header-inner {
    min-height: 72px;
  }

  .brand img {
    width: 172px;
    height: 50px;
  }

  nav {
    gap: 16px;
  }

  nav a {
    font-size: 13px;
  }

  .hero-grid {
    min-height: auto;
    padding-top: 150px;
    padding-bottom: 80px;
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero {
    min-height: auto;
  }

  .status-card {
    max-width: 620px;
  }

  .principle-grid,
  .boundary-grid,
  .product-grid,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .boundary-grid,
  .product-grid,
  .contact-panel {
    gap: 38px;
  }

  .product-stage {
    min-height: 560px;
  }

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

  .media-card {
    min-height: 0;
  }
}

@media (max-width: 620px) {
  .shell {
    width: min(calc(100% - 28px), var(--shell));
  }

  .site-header nav {
    display: none;
  }

  .hero-grid {
    padding-top: 126px;
    padding-bottom: 56px;
    gap: 36px;
  }

  h1 {
    font-size: 42px;
  }

  .hero-lead {
    font-size: 17px;
  }

  .hero-actions {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .status-card {
    padding: 28px;
  }

  .status-card h2 {
    font-size: 26px;
  }

  .section {
    padding: 76px 0;
  }

  .section h2 {
    font-size: 34px;
  }

  .section-lead {
    font-size: 17px;
  }

  .principle-grid {
    margin-top: 40px;
    grid-template-columns: 1fr;
  }

  .principle-grid article {
    min-height: auto;
  }

  .card-index {
    margin-bottom: 24px;
  }

  .product-stage {
    min-height: 470px;
  }

  .product-stage img {
    width: min(68%, 300px);
  }

  .product-orbit-one {
    width: 340px;
    height: 340px;
  }

  .product-orbit-two {
    width: 470px;
    height: 470px;
  }

  .media-heading {
    margin-bottom: 36px;
  }

  .media-card {
    padding: 26px 24px;
  }

  .media-meta {
    margin-bottom: 28px;
  }

  .contact-section {
    padding: 48px 0;
  }

  .contact-panel {
    padding: 30px 24px;
  }

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

  .footer-links {
    justify-content: flex-start;
    gap: 14px 20px;
  }

  .legal-main {
    padding: 36px 14px 60px;
  }

  .legal-card {
    padding: 30px 24px;
    border-radius: 20px;
  }

  .legal-card h1 {
    font-size: 38px;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}