:root {
  --ink: #14131c;
  --ink-2: #1a1826;
  --panel: #201e2c;
  --panel-2: #2a273a;
  --hairline: rgba(230, 200, 140, 0.2);
  --gold: #d9b46a;
  --gold-soft: #ecd08c;
  --sage-soft: #a8d4bd;
  --text: #f3f0f8;
  --muted: #b3abc4;
  --muted-dim: #8b8299;
  --shadow: rgba(4, 3, 8, 0.5);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: "PingFang TC", "Microsoft JhengHei", "Noto Sans TC", sans-serif;
  background:
    radial-gradient(circle at 20% -10%, rgba(217, 180, 106, 0.12), transparent 50%),
    radial-gradient(circle at 90% 100%, rgba(168, 212, 189, 0.08), transparent 45%),
    linear-gradient(180deg, var(--ink) 0%, #0c0b12 100%);
  color: var(--text);
  padding: 32px 16px 80px;
}

[hidden] { display: none !important; }

.app { max-width: 760px; margin: 0 auto; }

.site-nav {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.nav-link {
  display: inline-block;
  font-size: 0.82rem;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--hairline);
  padding: 6px 14px;
  border-radius: 999px;
  transition: color 0.2s, border-color 0.2s;
}

.nav-link:hover { color: var(--gold-soft); border-color: rgba(217, 180, 106, 0.55); }

.header { text-align: center; margin-bottom: 28px; }

.header h1 {
  font-size: 2rem;
  margin-bottom: 8px;
  letter-spacing: 0.02em;
  background: linear-gradient(90deg, var(--gold-soft), var(--sage-soft));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.subtitle {
  color: var(--muted);
  font-size: 0.95rem;
}

.content {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--hairline);
  border-radius: 16px;
  padding: 30px 34px;
  box-shadow: 0 24px 60px var(--shadow);
  color: var(--text);
  font-size: 0.96rem;
  line-height: 1.85;
}

.content p { margin: 0 0 14px; }

.content h2 {
  font-size: 1.05rem;
  color: var(--gold-soft);
  margin: 30px 0 8px;
}

.content h2:first-child { margin-top: 0; }

.content h2 a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px dashed rgba(217, 180, 106, 0.4);
  transition: border-color 0.2s, color 0.2s;
}

.content h2 a:hover {
  color: var(--gold-soft);
  border-color: var(--gold-soft);
}

.flow {
  font-weight: 600;
  color: var(--sage-soft);
  background: rgba(168, 212, 189, 0.1);
  padding: 12px 16px;
  border-radius: 10px;
  text-align: center;
  margin: 14px 0;
}

.divider {
  border: none;
  border-top: 1px solid var(--hairline);
  margin: 30px 0;
}

@media (max-width: 560px) {
  .content { padding: 22px 20px; }
}