:root {
  --ink: #103a32;
  --muted: #668079;
  --paper: rgba(255, 255, 255, 0.94);
  --line: rgba(12, 107, 84, 0.13);
  --green-900: #064c3e;
  --green-700: #087a62;
  --green-500: #16a77f;
  --mint: #a9efd8;
  --cream: #f7fff9;
  --shadow: 0 26px 80px rgba(1, 45, 36, 0.25), 0 5px 20px rgba(1, 45, 36, 0.12);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  background: #087a62;
  color: var(--ink);
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", Georgia, serif;
  -webkit-font-smoothing: antialiased;
}

button,
a {
  font: inherit;
}

.page-shell {
  position: relative;
  display: grid;
  min-height: 100svh;
  place-items: center;
  overflow: hidden;
  padding: 52px 20px 38px;
  isolation: isolate;
  background:
    radial-gradient(circle at 12% 14%, rgba(174, 255, 222, 0.24), transparent 30%),
    radial-gradient(circle at 92% 84%, rgba(255, 244, 176, 0.13), transparent 33%),
    linear-gradient(145deg, #056b59 0%, #0e9875 46%, #08755f 100%);
}

.page-shell::after {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 140 140' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.18'/%3E%3C/svg%3E");
  content: "";
  opacity: 0.14;
  pointer-events: none;
  mix-blend-mode: soft-light;
}

.ambient-glow {
  position: absolute;
  z-index: -1;
  width: 44vw;
  aspect-ratio: 1;
  border-radius: 999px;
  filter: blur(80px);
  opacity: 0.35;
}

.ambient-glow--one {
  top: -26vw;
  left: -12vw;
  background: #8bf4ce;
}

.ambient-glow--two {
  right: -18vw;
  bottom: -28vw;
  background: #ffd975;
}

.landing {
  position: relative;
  z-index: 3;
  width: min(100%, 500px);
}

.hero {
  margin-bottom: 25px;
  color: white;
  text-align: center;
  animation: reveal 0.7s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 13px;
  color: rgba(255, 255, 255, 0.68);
  font-family: "Microsoft YaHei UI", sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.24em;
}

.eyebrow::before,
.eyebrow::after {
  width: 22px;
  height: 1px;
  background: currentColor;
  content: "";
}

.hero h1 {
  margin: 0;
  font-size: clamp(32px, 7vw, 49px);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.04em;
  text-shadow: 0 7px 24px rgba(0, 49, 39, 0.22);
}

.hero h1 span,
.hero h1 strong {
  display: block;
}

.hero h1 strong {
  margin-top: 8px;
  color: #eafff5;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.82em;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.hero-copy {
  margin: 13px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-family: "Microsoft YaHei UI", sans-serif;
  font-size: 13px;
  letter-spacing: 0.08em;
}

.link-card {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 24px;
  background: var(--paper);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
  animation: reveal 0.75s 0.08s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.card-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 25px 27px 20px;
  border-bottom: 1px solid var(--line);
}

.card-kicker {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-family: "Microsoft YaHei UI", sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.card-domain {
  margin: 0;
  color: var(--green-900);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 25px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.status {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 7px;
  padding: 8px 11px;
  border: 1px solid rgba(18, 157, 116, 0.17);
  border-radius: 999px;
  background: rgba(26, 183, 137, 0.08);
  color: #087558;
  font-family: "Microsoft YaHei UI", sans-serif;
  font-size: 11px;
  font-weight: 700;
}

.status i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #16aa7c;
  box-shadow: 0 0 0 5px rgba(22, 170, 124, 0.1);
  animation: pulse 2s ease-in-out infinite;
}

.link-list {
  display: grid;
  gap: 10px;
  padding: 17px;
}

.guide-link {
  position: relative;
  display: grid;
  grid-template-columns: 42px 1fr 30px;
  align-items: center;
  gap: 13px;
  min-height: 76px;
  overflow: hidden;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: rgba(247, 255, 251, 0.83);
  color: inherit;
  text-decoration: none;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.guide-link::before {
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 35%, rgba(255, 255, 255, 0.75) 50%, transparent 65%);
  content: "";
  transform: translateX(-120%);
  transition: transform 600ms ease;
}

.guide-link:hover,
.guide-link:focus-visible {
  border-color: rgba(8, 122, 98, 0.28);
  outline: none;
  background: white;
  box-shadow: 0 11px 24px rgba(4, 91, 71, 0.1);
  transform: translateY(-2px);
}

.guide-link:hover::before,
.guide-link:focus-visible::before {
  transform: translateX(120%);
}

.guide-link__index {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 12px;
  background: linear-gradient(145deg, var(--green-700), var(--green-500));
  color: white;
  font-family: Georgia, serif;
  font-size: 13px;
  font-weight: 700;
  box-shadow: 0 8px 18px rgba(8, 122, 98, 0.2);
}

.guide-link__copy {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.guide-link__title,
.guide-link__description {
  display: block;
}

.guide-link__title {
  color: #123f35;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.35;
}

.guide-link__description {
  margin-top: 5px;
  color: var(--muted);
  font-family: "Microsoft YaHei UI", sans-serif;
  font-size: 12px;
  line-height: 1.4;
}

.guide-link__arrow {
  position: relative;
  z-index: 1;
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border-radius: 50%;
  color: var(--green-700);
  font-family: Arial, sans-serif;
  font-size: 19px;
  transition: color 180ms ease, background 180ms ease, transform 180ms ease;
}

.guide-link:hover .guide-link__arrow,
.guide-link:focus-visible .guide-link__arrow {
  background: var(--green-700);
  color: white;
  transform: translateX(2px);
}

.card-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 0 17px 17px;
  padding: 12px;
  border-radius: 12px;
  background: #edf9f3;
  color: #52736a;
  font-family: "Microsoft YaHei UI", sans-serif;
  font-size: 12px;
}

.card-note svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: var(--green-700);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.footer {
  padding-top: 23px;
  color: rgba(255, 255, 255, 0.72);
  text-align: center;
  font-family: "Microsoft YaHei UI", sans-serif;
  font-size: 11px;
  line-height: 1.7;
  animation: reveal 0.75s 0.16s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.footer p {
  margin: 0;
}

.footer b {
  color: white;
  letter-spacing: 0.06em;
}

.network-tip {
  margin-top: 5px !important;
  color: rgba(255, 255, 255, 0.55);
}

.floating-grid {
  position: absolute;
  inset: 0;
  z-index: 0;
  margin: 0;
  padding: 0;
  overflow: hidden;
  list-style: none;
  pointer-events: none;
}

.floating-grid li {
  position: absolute;
  bottom: -180px;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.07);
  animation: float-up 22s linear infinite;
}

.floating-grid li:nth-child(1) { left: 7%; animation-delay: -4s; }
.floating-grid li:nth-child(2) { left: 17%; width: 86px; height: 86px; animation-delay: -12s; animation-duration: 28s; }
.floating-grid li:nth-child(3) { left: 29%; width: 24px; height: 24px; animation-delay: -17s; }
.floating-grid li:nth-child(4) { left: 39%; width: 68px; height: 68px; animation-delay: -7s; animation-duration: 25s; }
.floating-grid li:nth-child(5) { left: 51%; animation-delay: -21s; }
.floating-grid li:nth-child(6) { left: 63%; width: 120px; height: 120px; animation-delay: -3s; animation-duration: 32s; }
.floating-grid li:nth-child(7) { left: 75%; width: 31px; height: 31px; animation-delay: -14s; }
.floating-grid li:nth-child(8) { left: 88%; width: 76px; height: 76px; animation-delay: -9s; animation-duration: 27s; }
.floating-grid li:nth-child(9) { left: 94%; width: 18px; height: 18px; animation-delay: -19s; }
.floating-grid li:nth-child(10) { left: 3%; width: 110px; height: 110px; animation-delay: -24s; animation-duration: 34s; }
.floating-grid li:nth-child(11) { left: 45%; width: 15px; height: 15px; animation-delay: -10s; }
.floating-grid li:nth-child(12) { left: 82%; width: 48px; height: 48px; animation-delay: -26s; animation-duration: 30s; }

@keyframes float-up {
  from { transform: translateY(0) rotate(0deg); }
  to { transform: translateY(calc(-100svh - 360px)) rotate(540deg); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.8); }
}

@keyframes reveal {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 540px) {
  .page-shell {
    align-items: start;
    padding: max(35px, 7svh) 14px 24px;
  }

  .landing {
    width: min(100%, 430px);
  }

  .hero {
    margin-bottom: 20px;
  }

  .hero h1 {
    font-size: clamp(31px, 10vw, 42px);
  }

  .card-heading {
    padding: 21px 19px 17px;
  }

  .card-domain {
    font-size: 22px;
  }

  .link-card {
    border-radius: 20px;
  }

  .link-list {
    gap: 9px;
    padding: 13px;
  }

  .guide-link {
    grid-template-columns: 38px 1fr 28px;
    gap: 11px;
    min-height: 71px;
    padding: 11px 12px;
  }

  .guide-link__index {
    width: 38px;
    height: 38px;
  }

  .guide-link__title {
    font-size: 15px;
  }

  .card-note {
    margin: 0 13px 13px;
  }
}

@media (max-width: 360px) {
  .status {
    padding: 7px 9px;
    font-size: 10px;
  }

  .guide-link__description {
    font-size: 11px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}
