:root {
  --info-bg: #060610;
  --info-surface: rgba(16, 13, 32, 0.92);
  --info-surface-strong: rgba(23, 18, 41, 0.97);
  --info-border: rgba(196, 181, 253, 0.25);
  --info-heading: #fffaff;
  --info-body: #d5cfe2;
  --info-muted: #aaa0ba;
  --info-purple: #7c3aed;
  --info-pink: #ec4899;
  --info-cyan: #f472b6;
  --info-success: #52d39a;
}

* { box-sizing: border-box; }

html { color-scheme: dark; }

body {
  min-height: 100vh;
  margin: 0;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(circle at 12% 8%, rgba(124, 58, 237, 0.13), transparent 32%),
    radial-gradient(circle at 88% 24%, rgba(236, 72, 153, 0.09), transparent 28%),
    linear-gradient(rgba(6, 6, 16, 0.96), rgba(6, 6, 16, 0.99)),
    repeating-linear-gradient(90deg, transparent 0 31px, rgba(167, 139, 250, 0.035) 31px 32px),
    repeating-linear-gradient(0deg, transparent 0 31px, rgba(244, 114, 182, 0.03) 31px 32px),
    var(--info-bg);
  color: var(--info-body);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.75;
}

a { color: inherit; }

.info-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 68px;
  padding: 12px clamp(16px, 4vw, 48px);
  border-bottom: 1px solid var(--info-border);
  background: rgba(6, 6, 16, 0.9);
  backdrop-filter: blur(20px) saturate(135%);
}

.info-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--info-heading);
  font-weight: 800;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.info-brand-mark {
  width: 28px;
  height: 28px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  padding: 5px;
  border: 1px solid rgba(196, 181, 253, 0.42);
  border-radius: 7px;
  background: rgba(124, 58, 237, 0.12);
}

.info-brand-mark i {
  border-radius: 1px;
  background: #4b376d;
  box-shadow: none;
}

.info-brand-mark i:nth-child(2),
.info-brand-mark i:nth-child(5),
.info-brand-mark i:nth-child(8) { background: linear-gradient(180deg, #c084fc, #f472b6); }

.info-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 7px;
}

.info-nav a {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  border: 1px solid transparent;
  border-radius: 9px;
  color: var(--info-muted);
  font-size: 13px;
  text-decoration: none;
}

.info-nav a:hover,
.info-nav a:focus-visible,
.info-nav a[aria-current="page"] {
  border-color: var(--info-border);
  background: rgba(255, 255, 255, 0.045);
  color: var(--info-heading);
}

.info-nav .info-home-link {
  border-color: transparent;
  background: linear-gradient(135deg, var(--info-purple), #db2777);
  color: #fff;
}

.info-main {
  width: min(940px, calc(100% - 32px));
  margin: 0 auto;
  flex: 1;
  padding: clamp(42px, 7vw, 76px) 0 72px;
}

.info-hero {
  max-width: 760px;
  margin-bottom: 34px;
}

.info-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 12px;
  color: var(--info-cyan);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.info-kicker::before {
  content: "";
  width: 32px;
  height: 3px;
  border-radius: 999px;
  background: repeating-linear-gradient(90deg, var(--info-cyan) 0 4px, transparent 4px 7px);
  filter: none;
}

.info-hero h1 {
  margin: 0;
  color: var(--info-heading);
  font-size: clamp(30px, 5vw, 46px);
  line-height: 1.18;
  letter-spacing: -0.03em;
}

.info-hero p {
  max-width: 700px;
  margin: 16px 0 0;
  color: var(--info-body);
  font-size: clamp(15px, 2vw, 17px);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.info-card {
  padding: clamp(22px, 4vw, 30px);
  border: 1px solid var(--info-border);
  border-radius: 13px;
  background: var(--info-surface);
  box-shadow: 0 18px 52px rgba(0, 0, 0, 0.26), 0 0 32px rgba(124, 58, 237, 0.05);
}

.info-card.info-card-wide { grid-column: 1 / -1; }

.info-card h2,
.info-card h3 {
  margin: 0 0 12px;
  color: var(--info-heading);
  line-height: 1.35;
}

.info-card h2 { font-size: 21px; }
.info-card h3 { margin-top: 24px; font-size: 16px; }
.info-card p { margin: 0 0 12px; }
.info-card p:last-child { margin-bottom: 0; }

.info-list {
  margin: 0;
  padding-left: 20px;
}

.info-list li { margin: 8px 0; }
.info-list strong { color: var(--info-heading); }

.info-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 22px;
}

.info-fact {
  min-height: 92px;
  display: grid;
  align-content: center;
  gap: 4px;
  padding: 14px;
  border: 1px solid var(--info-border);
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.025);
}

.info-fact span { color: var(--info-muted); font-size: 12px; }
.info-fact strong { color: var(--info-heading); font-size: 14px; }

.info-callout {
  padding: 16px 18px;
  border-left: 3px solid var(--info-purple);
  border-radius: 0 12px 12px 0;
  background: rgba(124, 58, 237, 0.12);
  color: #e1daea;
}

.info-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.info-button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid var(--info-border);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.045);
  color: var(--info-heading);
  font-weight: 700;
  text-decoration: none;
}

.info-button:hover,
.info-button:focus-visible { border-color: rgba(192, 132, 252, 0.58); background: rgba(124, 58, 237, 0.14); }

.info-button-primary {
  border-color: transparent;
  background: linear-gradient(135deg, var(--info-purple), #db2777);
  color: #fff;
}

.info-meta {
  margin-top: 26px;
  color: var(--info-muted);
  font-size: 13px;
}

.info-footer {
  padding: 26px 16px;
  border-top: 1px solid var(--info-border);
  color: var(--info-muted);
  font-size: 13px;
  text-align: center;
}

.info-footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 16px;
  margin-bottom: 10px;
}

.info-footer a { text-decoration: none; }
.info-footer a:hover { color: #fff; }

.info-table-wrap { overflow-x: auto; margin-top: 18px; }
.info-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.info-table th,
.info-table td { padding: 13px 14px; border: 1px solid var(--info-border); text-align: left; vertical-align: top; }
.info-table th { color: var(--info-heading); background: rgba(255, 255, 255, 0.035); font-weight: 700; }
.info-table td { color: var(--info-body); }
.info-table strong { color: var(--info-heading); }

.info-definition { display: grid; gap: 1px; overflow: hidden; margin-top: 18px; border: 1px solid var(--info-border); border-radius: 10px; background: var(--info-border); }
.info-definition > div { display: grid; grid-template-columns: minmax(120px, 0.34fr) minmax(0, 1fr); gap: 18px; padding: 15px 16px; background: #0d091b; }
.info-definition dt { color: var(--info-muted); font-size: 13px; }
.info-definition dd { margin: 0; color: var(--info-heading); font-size: 14px; overflow-wrap: anywhere; }
.info-definition dd a { color: #d8b4fe; }

.info-header :is(a, button):focus-visible,
.info-main :is(a, button, input, select, textarea):focus-visible {
  outline: 2px solid #c084fc;
  outline-offset: 3px;
  box-shadow: 0 0 0 5px rgba(124, 58, 237, 0.2);
}

.info-status { display: inline-flex; align-items: center; gap: 7px; padding: 5px 9px; border: 1px solid rgba(82, 211, 154, 0.22); border-radius: 999px; background: rgba(82, 211, 154, 0.07); color: #9fe4c4; font-size: 11px; }
.info-status::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--info-success); }

@media (max-width: 720px) {
  .info-header { align-items: flex-start; flex-direction: column; padding-block: 12px; }
  .info-nav { width: 100%; justify-content: flex-start; overflow-x: auto; padding-bottom: 2px; }
  .info-nav a { flex: 0 0 auto; }
  .info-grid { grid-template-columns: 1fr; }
  .info-card.info-card-wide { grid-column: auto; }
  .info-facts { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .info-main { width: min(100% - 24px, 940px); padding-top: 34px; }
  .info-card { padding: 20px; border-radius: 15px; }
  .info-button { width: 100%; }
  .info-definition > div { grid-template-columns: 1fr; gap: 4px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}