:root {
  color-scheme: dark;
  --bg: #070a12;
  --panel: rgba(255, 255, 255, 0.06);
  --panel2: rgba(255, 255, 255, 0.09);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.7);
  --faint: rgba(255, 255, 255, 0.56);
  --border: rgba(255, 255, 255, 0.12);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.55);
  --brand: #7c5cff;
  --brand2: #2ee0ff;
  --max: 1080px;
  --radius: 16px;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto,
    Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    sans-serif;
  background: radial-gradient(1200px 700px at 20% 0%, rgba(124, 92, 255, 0.22), transparent 60%),
    radial-gradient(1000px 700px at 80% 10%, rgba(46, 224, 255, 0.16), transparent 62%),
    radial-gradient(900px 600px at 50% 100%, rgba(124, 92, 255, 0.14), transparent 64%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--text);
}

.skip-link:focus {
  left: 12px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(7, 10, 18, 0.55);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}

.brand-link {
  display: inline-flex;
  gap: 12px;
  align-items: center;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.92), rgba(46, 224, 255, 0.85));
  box-shadow: 0 14px 40px rgba(124, 92, 255, 0.18);
  position: relative;
}

.brand-mark::after {
  content: "";
  position: absolute;
  inset: 9px;
  border-radius: 10px;
  background: rgba(7, 10, 18, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-title {
  font-weight: 700;
  letter-spacing: 0.3px;
}

.brand-sub {
  margin-top: 4px;
  font-size: 12px;
  color: var(--faint);
}

.nav {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-link {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid transparent;
  color: var(--muted);
  font-size: 14px;
}

.nav-link:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
}

.nav-link.is-active {
  color: var(--text);
  border-color: rgba(124, 92, 255, 0.35);
  background: rgba(124, 92, 255, 0.14);
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 18px;
  padding: 28px 0 20px;
  align-items: stretch;
}

.hero-left {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03));
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 22px 22px 18px;
  box-shadow: var(--shadow);
}

.hero-title {
  margin: 0 0 10px;
  font-size: clamp(26px, 3.6vw, 40px);
  letter-spacing: 0.2px;
}

.hero-desc {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.35), rgba(46, 224, 255, 0.18));
  color: var(--text);
  font-weight: 600;
  font-size: 14px;
}

.button:hover {
  border-color: rgba(255, 255, 255, 0.28);
  background: linear-gradient(135deg, rgba(124, 92, 255, 0.45), rgba(46, 224, 255, 0.22));
}

.button-ghost {
  background: rgba(255, 255, 255, 0.04);
}

.facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
}

.fact {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 14px;
  padding: 12px 12px;
}

.fact dt {
  color: var(--faint);
  font-size: 12px;
}

.fact dd {
  margin: 6px 0 0;
  font-weight: 700;
  font-size: 13px;
}

.hero-right {
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: radial-gradient(800px 380px at 60% 40%, rgba(124, 92, 255, 0.18), transparent 65%),
    radial-gradient(700px 340px at 35% 50%, rgba(46, 224, 255, 0.14), transparent 62%),
    rgba(255, 255, 255, 0.03);
  box-shadow: var(--shadow);
  overflow: hidden;
  position: relative;
}

.starfield {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 12% 20%, rgba(255, 255, 255, 0.7) 0, transparent 55%),
    radial-gradient(1px 1px at 22% 35%, rgba(255, 255, 255, 0.55) 0, transparent 55%),
    radial-gradient(1px 1px at 40% 30%, rgba(255, 255, 255, 0.5) 0, transparent 55%),
    radial-gradient(1px 1px at 60% 25%, rgba(255, 255, 255, 0.55) 0, transparent 55%),
    radial-gradient(1px 1px at 72% 40%, rgba(255, 255, 255, 0.45) 0, transparent 55%),
    radial-gradient(1px 1px at 82% 60%, rgba(255, 255, 255, 0.5) 0, transparent 55%),
    radial-gradient(1px 1px at 18% 72%, rgba(255, 255, 255, 0.45) 0, transparent 55%),
    radial-gradient(1px 1px at 44% 76%, rgba(255, 255, 255, 0.55) 0, transparent 55%),
    radial-gradient(1px 1px at 68% 80%, rgba(255, 255, 255, 0.42) 0, transparent 55%);
}

.orb {
  position: absolute;
  width: 220px;
  height: 220px;
  border-radius: 999px;
  filter: blur(0.2px);
  opacity: 0.95;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.orb-1 {
  left: -60px;
  top: 20px;
  background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.38), rgba(124, 92, 255, 0.55) 40%, rgba(7, 10, 18, 0.0) 68%);
}

.orb-2 {
  right: -90px;
  top: 80px;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle at 35% 35%, rgba(255, 255, 255, 0.32), rgba(46, 224, 255, 0.45) 42%, rgba(7, 10, 18, 0.0) 70%);
}

.orb-3 {
  left: 40%;
  bottom: -120px;
  width: 320px;
  height: 320px;
  opacity: 0.75;
  background: radial-gradient(circle at 35% 35%, rgba(255, 255, 255, 0.24), rgba(124, 92, 255, 0.32) 45%, rgba(7, 10, 18, 0.0) 72%);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding: 10px 0 22px;
}

.card {
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(255, 255, 255, 0.04);
  padding: 18px 18px 14px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
}

.card-title {
  margin: 0 0 6px;
  font-size: 18px;
}

.card-desc {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 14px;
}

.list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.list li {
  margin: 6px 0;
}

.muted {
  color: var(--muted);
}

.inline-link {
  text-decoration: underline;
  text-underline-offset: 3px;
  color: rgba(46, 224, 255, 0.95);
}

.inline-code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;
  font-size: 0.95em;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.88);
  white-space: nowrap;
}

.notice {
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(255, 255, 255, 0.03);
  padding: 16px 18px;
  margin: 0 0 28px;
}

.notice-title {
  margin: 0 0 8px;
  font-size: 16px;
}

.notice-body {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.page {
  padding: 22px 0 34px;
  max-width: 860px;
}

.page-title {
  margin: 0 0 10px;
  font-size: 28px;
  letter-spacing: 0.2px;
}

.lead {
  margin: 0 0 18px;
  color: var(--muted);
}

.section {
  margin-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.10);
  padding-top: 14px;
}

.section h2 {
  margin: 0 0 8px;
  font-size: 16px;
}

.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(7, 10, 18, 0.55);
  backdrop-filter: blur(14px);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 0;
  flex-wrap: wrap;
}

.footer-title {
  font-weight: 800;
}

.footer-sub {
  color: var(--faint);
  font-size: 12px;
  margin-top: 4px;
}

.footer-links {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--muted);
  font-size: 13px;
  border-bottom: 1px solid transparent;
}

.footer-links a:hover {
  color: var(--text);
  border-bottom-color: rgba(255, 255, 255, 0.25);
}

.footer-icp {
  margin-top: 8px;
  color: var(--faint);
  font-size: 12px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.placeholder {
  color: rgba(255, 255, 255, 0.68);
}

.sep {
  opacity: 0.65;
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
  }
  .hero-right {
    min-height: 220px;
  }
  .grid {
    grid-template-columns: 1fr;
  }
  .facts {
    grid-template-columns: 1fr;
  }
}