:root {
  --bg: #060912;
  --card: #0b1020;
  --text: #e6eaf7;
  --muted: #9aa4bf;
  --primary: #00ffc6;
  --accent: #7c3aed;
  --danger: #ff4d4f;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  color: var(--text);
  background: radial-gradient(1200px 600px at 10% 10%, #0c1330 0%, var(--bg) 40%, #05070e 100%);
  font-family: 'Noto Sans SC', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Microsoft YaHei", sans-serif;
  line-height: 1.6;
}

.site-header {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px; backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 25%, transparent);
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand .logo { font-size: 22px; }
.brand .title { font-family: 'Orbitron', sans-serif; letter-spacing: 0.06em; font-weight: 700; }
.logo-img { width: 20px; height: 20px; object-fit: contain; display: block; }
.site-nav { display: flex; gap: 16px; }
.site-nav a { color: var(--muted); text-decoration: none; font-weight: 500; }
.site-nav a:hover { color: var(--primary); }
.site-nav a.active { color: var(--primary); }
.lang-switch { appearance: none; background: #0c1224; color: var(--text); border: 1px solid #243050; border-radius: 10px; padding: 6px 8px; font-size: 12px; }
.header-ctrl { display: none; align-items: center; gap: 8px; }

.hero {
  position: relative; overflow: hidden;
  min-height: 48vh; display: grid; place-items: center; padding: 64px 20px;
}
.hero-content { text-align: center; max-width: 900px; }
.hero h1 { font-family: 'Orbitron', sans-serif; font-size: clamp(32px, 5vw, 44px); margin: 0 0 12px; }
.hero p { color: var(--muted); margin: 0 0 24px; }
.cta-row { display: inline-flex; gap: 10px; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 18px; border-radius: 999px; text-decoration: none; font-weight: 700; letter-spacing: 0.02em; }
.btn.primary { background: linear-gradient(90deg, var(--primary), var(--accent)); color: #081015; box-shadow: 0 10px 30px color-mix(in srgb, var(--accent) 35%, transparent); }
.btn.ghost { border: 1px solid color-mix(in srgb, var(--primary) 40%, transparent); color: var(--text); }

.hero-bg::before {
  content: ""; position: absolute; inset: -30% -10% auto auto; height: 240px; width: 240px;
  background: conic-gradient(from 180deg, var(--primary), var(--accent), var(--primary)); filter: blur(60px); opacity: .35;
}
.hero-bg::after {
  content: ""; position: absolute; inset: auto auto -20% -10%; height: 300px; width: 300px;
  background: conic-gradient(from 0deg, var(--accent), var(--primary), var(--accent)); filter: blur(80px); opacity: .35;
}

.section { padding: 36px 20px; max-width: 1200px; margin: 0 auto; }
.section-head { margin-bottom: 16px; }
.section-head h2 { font-size: 28px; margin: 0 0 6px; font-family: 'Orbitron', sans-serif; }
.section-head p { margin: 0; color: var(--muted); }

.intro-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.intro-card { background: color-mix(in srgb, var(--card) 85%, transparent); border: 1px solid color-mix(in srgb, var(--accent) 20%, transparent); border-radius: 16px; overflow: hidden; display: grid; grid-template-columns: 1fr 1.2fr; }
.intro-visual { background: #0a0f1f; display: grid; place-items: center; padding: 16px; }
.intro-img { width: 100%; height: auto; max-width: 320px; border-radius: 12px; border: 1px solid color-mix(in srgb, var(--primary) 20%, transparent); box-shadow: 0 10px 24px color-mix(in srgb, var(--accent) 25%, transparent); }
.intro-text { padding: 18px; }
.intro-text h3 { margin: 0 0 8px; font-size: 20px; }
.feature-list { margin: 8px 0 0; padding: 0 0 0 18px; color: var(--muted); }

.icon-show { margin-top: 16px; }
.icon-title { margin: 0 0 8px; font-size: 18px; color: var(--muted); }
.icon-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 10px; }
.icon-badge { display: flex; align-items: center; gap: 10px; padding: 10px; background: color-mix(in srgb, var(--card) 80%, transparent); border: 1px solid color-mix(in srgb, var(--primary) 25%, transparent); border-radius: 12px; }
.icon-plate { width: 38px; height: 38px; display: grid; place-items: center; background: #0c1224; border-radius: 10px; box-shadow: 0 8px 18px color-mix(in srgb, var(--accent) 20%, transparent); }
.icon-plate svg { filter: drop-shadow(0 0 6px color-mix(in srgb, var(--primary) 40%, transparent)); }
.icon-badge span { font-size: 13px; color: var(--text); }

@keyframes float {
  0% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
  100% { transform: translateY(0); }
}

.link-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.link-card { display: block; padding: 16px 18px; border-radius: 14px; background: color-mix(in srgb, var(--card) 80%, transparent); border: 1px solid color-mix(in srgb, var(--primary) 30%, transparent); color: var(--text); text-decoration: none; }
.link-card:hover { border-color: var(--primary); box-shadow: 0 10px 24px color-mix(in srgb, var(--primary) 25%, transparent); }

.wallet-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.wallet-card { background: color-mix(in srgb, var(--card) 80%, transparent); border: 1px solid color-mix(in srgb, var(--accent) 20%, transparent); border-radius: 16px; padding: 16px; display: grid; gap: 10px; }
.wallet-card:hover { border-color: var(--primary); box-shadow: 0 12px 28px color-mix(in srgb, var(--primary) 25%, transparent); transform: translateY(-2px); transition: all .2s ease; }
.wallet-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.wallet-left { display: flex; align-items: center; gap: 10px; }
.wallet-icon { width: 34px; height: 34px; display: grid; place-items: center; background: #0c1224; border-radius: 10px; box-shadow: 0 8px 18px color-mix(in srgb, var(--accent) 20%, transparent); }
.wallet-icon svg { filter: drop-shadow(0 0 6px color-mix(in srgb, var(--primary) 40%, transparent)); }
.wallet-icon.anim { animation: float 6s ease-in-out infinite; }
.link-card { position: relative; }
.link-card::after { content: ""; position: absolute; inset: 0; border-radius: 14px; pointer-events: none; box-shadow: 0 0 0 0 color-mix(in srgb, var(--primary) 0%, transparent); transition: box-shadow .2s ease; }
.link-card:hover::after { box-shadow: 0 0 0 2px color-mix(in srgb, var(--primary) 60%, transparent); }
.wallet-desc { margin: 0; color: var(--muted); }
.tag-row { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { display: inline-flex; align-items: center; padding: 4px 8px; border-radius: 999px; font-size: 12px; color: var(--text); background: #0c1224; border: 1px solid #243050; }
.btn-row { display: flex; flex-wrap: wrap; gap: 8px; }
.btn.sm { padding: 10px 14px; font-size: 14px; }

.roadmap-wrap { background: color-mix(in srgb, var(--card) 80%, transparent); border: 1px solid color-mix(in srgb, var(--accent) 20%, transparent); border-radius: 16px; padding: 18px; }
.rm-line { position: relative; display: grid; gap: 16px; }
.rm-line::before { content: ""; position: absolute; left: 20px; top: 0; bottom: 0; width: 2px; background: linear-gradient(180deg, var(--primary), var(--accent)); opacity: .6; }
.rm-item { display: grid; grid-template-columns: 80px 1fr; gap: 12px; align-items: start; }
.rm-year { font-family: 'Orbitron', sans-serif; font-weight: 700; color: var(--primary); position: relative; }
.rm-year::before { content: ""; position: absolute; left: -12px; top: 8px; width: 10px; height: 10px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 10px color-mix(in srgb, var(--primary) 60%, transparent); }
.rm-card { background: #0c1224; border: 1px solid #243050; border-radius: 12px; padding: 12px; }
.rm-card h3 { margin: 0 0 6px; font-size: 16px; }
.rm-card p { margin: 0; color: var(--muted); }

.compare-wrap { background: color-mix(in srgb, var(--card) 80%, transparent); border: 1px solid color-mix(in srgb, var(--accent) 20%, transparent); border-radius: 16px; padding: 14px; }
.compare-controls { display: flex; justify-content: flex-end; margin-bottom: 8px; }
.compare-controls select { background: #0c1224; color: var(--text); border: 1px solid #243050; border-radius: 10px; padding: 7px 8px; }

.sig-chart { display: grid; grid-template-columns: 1fr; gap: 8px; margin: 8px 0 16px; }
.bar-row { display: grid; grid-template-columns: 140px 1fr 80px; align-items: center; gap: 10px; }
.bar-label { color: var(--muted); }
.bar-track { height: 14px; background: #0e1730; border-radius: 8px; overflow: hidden; border: 1px solid #1a223d; }
.bar-fill { height: 100%; background: linear-gradient(90deg, var(--primary), var(--accent)); box-shadow: inset 0 0 10px #000; }
.bar-value { color: var(--text); font-variant-numeric: tabular-nums; }

.sig-table { width: 100%; border-collapse: collapse; }
.sig-table th, .sig-table td { padding: 10px; border-bottom: 1px dashed #223050; }
.sig-table th { text-align: left; color: var(--muted); }
.fine-print { color: var(--muted); font-size: 13px; }
.fine-print .value-emph { color: var(--primary); font-weight: 800; font-size: 16px; }

.edu-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.edu-card { background: color-mix(in srgb, var(--card) 80%, transparent); border: 1px solid color-mix(in srgb, var(--accent) 20%, transparent); border-radius: 14px; padding: 16px; }
.edu-card h3 { margin: 0 0 6px; font-size: 18px; }
.edu-card p { margin: 0; color: var(--muted); }

.faq-list { display: grid; grid-template-columns: 1fr; gap: 8px; }
.faq-item { background: color-mix(in srgb, var(--card) 80%, transparent); border: 1px solid color-mix(in srgb, var(--accent) 20%, transparent); border-radius: 12px; padding: 10px 14px; }
.faq-item summary { cursor: pointer; font-weight: 700; }
.faq-item p { color: var(--muted); }

.site-footer { border-top: 1px solid #1a223d; color: var(--muted); text-align: center; padding: 24px; }

.meta-list, .strings-list { }

@media (max-width: 980px) {
  .intro-grid { grid-template-columns: 1fr; }
  .intro-card { grid-template-columns: 1fr; }
  .link-grid { grid-template-columns: 1fr 1fr; }
  .edu-list { grid-template-columns: 1fr 1fr; }
  .icon-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .wallet-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .nav-toggle { display: inline-flex; }
  .site-nav { display: none; }
  .header-ctrl { display: inline-flex; }
  #langSwitchMobile { display: inline-flex; }
  body.nav-open .site-nav { display: grid; position: fixed; inset: 0; z-index: 60; padding: 20px; gap: 12px; background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(8px); }
  body.nav-open .site-nav a, body.nav-open .site-nav select { display: block; padding: 12px 14px; border-radius: 12px; background: #0c1224; border: 1px solid #243050; color: var(--text); }
  .hero h1 { font-size: 34px; }
  .link-grid, .edu-list { grid-template-columns: 1fr; }
  .icon-grid { grid-template-columns: 1fr 1fr; }
  
}
  .btn-row .btn { flex: 1 1 auto; }
  .section { padding: 24px 16px; }
}

.table-wrap { overflow-x: auto; }
.nav-toggle { display: none; background: #0c1224; color: var(--text); border: 1px solid #243050; border-radius: 10px; padding: 6px 10px; font-weight: 700; }