:root {
  --bg: #0b0e14;
  --bg-soft: #11151f;
  --card: rgba(255, 255, 255, 0.035);
  --line: rgba(255, 255, 255, 0.09);
  --text: #e8ecf4;
  --text-dim: #9aa4b8;
  --accent: #7dd3fc;
  --accent-2: #a78bfa;
  --radius: 16px;
  --max: 1080px;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.bg-glow {
  position: fixed;
  inset: -20% -10% auto;
  height: 70vh;
  z-index: -1;
  background:
    radial-gradient(42% 55% at 22% 18%, rgba(125, 211, 252, 0.14), transparent 62%),
    radial-gradient(40% 52% at 78% 8%, rgba(167, 139, 250, 0.13), transparent 60%);
  filter: blur(10px);
  pointer-events: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: var(--max);
  margin: 0 auto;
  padding: 20px 24px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

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

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(125, 211, 252, 0.18), rgba(167, 139, 250, 0.16));
  font-weight: 700;
  color: var(--accent);
}

.brand-text { display: inline-flex; align-items: baseline; gap: 8px; font-weight: 600; }

.brand-en {
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 400;
}

.nav { display: flex; gap: 20px; flex-wrap: wrap; }

.nav a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 14px;
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.nav a:hover, .nav a:focus-visible { color: var(--text); border-bottom-color: var(--accent); }

main { max-width: var(--max); margin: 0 auto; padding: 0 24px 40px; }

.hero { padding: 84px 0 56px; }

.eyebrow {
  margin: 0 0 18px;
  font-size: 12px;
  letter-spacing: 0.28em;
  color: var(--accent);
  text-transform: uppercase;
}

.hero-title {
  margin: 0;
  font-size: clamp(56px, 12vw, 120px);
  line-height: 1.02;
  letter-spacing: 0.06em;
  font-weight: 700;
  background: linear-gradient(180deg, #ffffff 12%, #b9c6dd 88%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub { margin: 22px 0 8px; font-size: clamp(16px, 2.4vw, 20px); color: var(--text); }

.hero-note { margin: 0; color: var(--text-dim); font-size: 14px; }

.hero-actions { display: flex; gap: 12px; margin-top: 34px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 14px;
  text-decoration: none;
  transition: transform 0.15s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #08111c;
  font-weight: 600;
}

.btn-ghost { border-color: var(--line); color: var(--text); background: rgba(255, 255, 255, 0.02); }
.btn-ghost:hover { border-color: rgba(255, 255, 255, 0.24); }

.section { padding: 30px 0; }

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
}

.section-head h2 { margin: 0; font-size: 20px; letter-spacing: 0.04em; font-weight: 600; }

.section-tag {
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.2em;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 10px;
}

.empty-card {
  border: 1px dashed rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  background: var(--card);
  padding: 42px 28px;
  text-align: center;
}

.empty-card.small { padding: 30px 22px; }

.empty-title { margin: 0 0 6px; font-size: 15px; color: var(--text); }

.empty-desc { margin: 0; font-size: 13px; color: var(--text-dim); }

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.about h2 { font-size: 20px; margin: 6px 0 12px; }

.about p { margin: 0 0 8px; color: var(--text); max-width: 62ch; }

.muted { color: var(--text-dim) !important; font-size: 14px; }

.site-footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 28px 24px 40px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--text-dim);
}

.footer-dim { opacity: 0.7; }

@media (max-width: 720px) {
  .grid-2 { grid-template-columns: 1fr; gap: 8px; }
  .site-header { padding: 16px 18px; }
  .hero { padding: 56px 0 36px; }
  main { padding: 0 18px 24px; }
  .nav { gap: 14px; }
  .nav a { font-size: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* 设定集入口卡片（首页 / 设定页共用） */
.lore-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}
.lore-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--text);
  text-decoration: none;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}
.lore-card:hover {
  transform: translateY(-2px);
  border-color: rgba(125, 211, 252, 0.42);
  background: rgba(125, 211, 252, 0.06);
}
.lore-k {
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--accent);
}
.lore-card strong { font-size: 18px; font-weight: 600; }
.lore-card em { font-style: normal; font-size: 13px; color: var(--text-dim); }