:root {
  color-scheme: light;
  --ink: #17334b;
  --muted: #63788a;
  --line: rgba(37, 111, 142, 0.13);
  --blue: #0d83bc;
  --cyan: #26cbe4;
  --navy: #0d2e73;
  --mint: #dff8ee;
  --warm: #fff5cf;
  --surface: rgba(255, 255, 255, 0.82);
  --shadow: 0 30px 80px rgba(40, 102, 127, 0.13);
  font-family:
    Inter, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui,
    -apple-system, sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  min-height: 100%;
  background: #f8fcfb;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 12%, rgba(255, 234, 146, 0.42), transparent 34%),
    radial-gradient(circle at 88% 18%, rgba(63, 212, 238, 0.24), transparent 36%),
    radial-gradient(circle at 72% 90%, rgba(160, 237, 210, 0.3), transparent 34%),
    linear-gradient(135deg, #fffdf5 0%, #f5fcfa 48%, #eefaff 100%);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  pointer-events: none;
  opacity: 0.28;
  background-image:
    linear-gradient(rgba(24, 105, 135, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(24, 105, 135, 0.06) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(to bottom, black, transparent 82%);
}

a {
  color: inherit;
}

.page-shell {
  width: min(1180px, calc(100% - 48px));
  min-height: 100vh;
  margin: 0 auto;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

.site-header {
  min-height: 96px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.site-type {
  color: var(--muted);
  font-size: 0.92rem;
}

main {
  display: grid;
  align-items: center;
  padding: 36px 0 54px;
}

.information-card {
  position: relative;
  isolation: isolate;
  min-height: 680px;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(360px, 0.92fr) minmax(430px, 1.08fr);
  align-items: center;
  gap: clamp(40px, 7vw, 96px);
  padding: clamp(48px, 7vw, 88px);
  border: 1px solid rgba(255, 255, 255, 0.94);
  border-radius: 42px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.92), rgba(250, 255, 254, 0.7));
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.information-card::after {
  position: absolute;
  right: -12%;
  bottom: -44%;
  z-index: -1;
  width: 520px;
  height: 520px;
  content: "";
  border-radius: 50%;
  background: rgba(64, 205, 229, 0.1);
  filter: blur(1px);
}

.mark-stage {
  position: relative;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
}

.mark-stage::before {
  position: absolute;
  inset: 4%;
  content: "";
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(255, 255, 255, 0.98) 0 36%, transparent 37%),
    linear-gradient(145deg, rgba(226, 249, 244, 0.98), rgba(222, 247, 255, 0.78));
  box-shadow:
    inset 0 0 0 1px rgba(24, 138, 173, 0.08),
    0 26px 70px rgba(31, 132, 160, 0.13);
}

.orbit {
  position: absolute;
  border: 1px solid rgba(23, 129, 166, 0.12);
  border-radius: 50%;
}

.orbit-one {
  inset: 10%;
}

.orbit-two {
  inset: 22%;
}

.orbit-three {
  inset: 34%;
}

.mark-halo {
  position: relative;
  z-index: 1;
  width: 44%;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #fff;
  box-shadow:
    0 22px 48px rgba(20, 104, 145, 0.16),
    0 0 0 10px rgba(255, 255, 255, 0.54);
}

.mark-halo img {
  width: 76%;
  height: 76%;
  object-fit: contain;
}

.content {
  max-width: 560px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.18em;
}

h1 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(3.8rem, 8vw, 6.9rem);
  line-height: 0.92;
  letter-spacing: -0.075em;
}

.lead {
  margin: 30px 0 0;
  color: var(--muted);
  font-size: clamp(1.1rem, 2vw, 1.34rem);
  line-height: 1.85;
}

.omniasst-global-link {
  margin-top: 24px;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid rgba(13, 131, 188, 0.2);
  border-radius: 19px;
  text-align: left;
  text-decoration: none;
  background:
    linear-gradient(135deg, rgba(235, 251, 255, 0.95), rgba(235, 250, 245, 0.9));
  box-shadow: 0 13px 30px rgba(28, 109, 140, 0.09);
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease;
}

.omniasst-global-link:hover,
.omniasst-global-link:focus-visible {
  border-color: rgba(13, 131, 188, 0.42);
  box-shadow: 0 18px 34px rgba(28, 109, 140, 0.15);
  transform: translateY(-2px);
}

.omniasst-global-link img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.omniasst-global-link > span:nth-child(2) {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.omniasst-global-link strong {
  color: var(--ink);
  font-size: 1rem;
}

.omniasst-global-link small {
  color: var(--muted);
  font-size: 0.74rem;
}

.directory {
  margin-top: 24px;
}

.directory h2 {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.site-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.site-link {
  min-width: 0;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 13px 14px;
  border: 1px solid rgba(33, 119, 151, 0.12);
  border-radius: 17px;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 10px 24px rgba(28, 109, 140, 0.07);
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease;
}

.site-link:last-child {
  grid-column: 1 / -1;
}

.site-link:hover,
.site-link:focus-visible {
  border-color: rgba(13, 131, 188, 0.32);
  box-shadow: 0 16px 30px rgba(28, 109, 140, 0.13);
  transform: translateY(-2px);
}

.site-link > span:nth-child(2) {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.site-link strong {
  overflow: hidden;
  color: var(--ink);
  font-size: 0.94rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.site-link small {
  color: var(--muted);
  font-size: 0.72rem;
}

.site-mark {
  width: 42px;
  height: 42px;
  display: block;
  border-radius: 13px;
  object-fit: cover;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.28);
}

.arrow {
  color: var(--blue);
  font-size: 1rem;
}

.notice {
  margin-top: 24px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: 20px;
  color: var(--muted);
  background: linear-gradient(135deg, rgba(235, 250, 247, 0.9), rgba(239, 249, 255, 0.9));
  font-size: 0.94rem;
  line-height: 1.75;
}

.notice > span:last-child {
  display: grid;
  gap: 4px;
}

.notice strong {
  color: var(--ink);
  font-size: 0.96rem;
}

.notice-icon {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  color: var(--blue);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 8px 18px rgba(25, 119, 149, 0.1);
}

.notice-icon svg {
  width: 21px;
  height: 21px;
  overflow: visible;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.6;
}

footer {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--muted);
  font-size: 0.86rem;
}

footer a {
  text-underline-offset: 4px;
  transition:
    color 160ms ease,
    text-decoration-color 160ms ease;
}

footer a:hover,
footer a:focus-visible {
  color: var(--blue);
}

@media (max-width: 880px) {
  .page-shell {
    width: min(100% - 32px, 680px);
  }

  .information-card {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 42px;
    padding: 44px;
    border-radius: 32px;
  }

  .mark-stage {
    width: min(100%, 400px);
    margin: 0 auto;
  }

  .content {
    max-width: none;
    text-align: center;
  }

  .notice {
    text-align: left;
  }
}

@media (max-width: 520px) {
  .page-shell {
    width: min(100% - 24px, 480px);
  }

  .site-header {
    min-height: 82px;
  }

  .brand img {
    width: 36px;
    height: 36px;
  }

  .site-type {
    max-width: 7em;
    text-align: right;
    line-height: 1.45;
  }

  main {
    padding: 20px 0 34px;
  }

  .information-card {
    gap: 32px;
    padding: 28px 22px 30px;
    border-radius: 26px;
  }

  .mark-stage {
    width: min(100%, 310px);
  }

  h1 {
    font-size: clamp(3.4rem, 20vw, 5.2rem);
  }

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

  .notice {
    margin-top: 28px;
    grid-template-columns: 1fr;
    padding: 18px;
  }

  .site-links {
    grid-template-columns: 1fr;
  }

  .site-link:last-child {
    grid-column: auto;
  }

  footer {
    min-height: 100px;
    flex-direction: column;
    justify-content: center;
    gap: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}