/* ── 导航栏 ── */
/* 用 body > nav 只命中页面顶部那个直系 nav,避免污染 footer 里的 <nav class="footer-links"> */
body > nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.5rem 4rem;
  border-bottom: 1px solid var(--border);
  background: rgba(13,10,7,0.7);
  backdrop-filter: blur(20px);
}
.nav-logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  color: var(--gold);
}
.nav-logo img { height: 36px; width: auto; display: block; }
.nav-links { display: flex; gap: 2.5rem; list-style: none; }
.nav-links a {
  font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--muted); text-decoration: none; transition: color 0.3s;
}
.nav-links a:hover { color: var(--gold); }
.nav-cta {
  font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink); background: var(--gold);
  padding: 0.6rem 1.5rem; border: none; cursor: pointer;
  font-family: 'Outfit', sans-serif; font-weight: 500;
  transition: background 0.3s, transform 0.2s;
  text-decoration: none; display: inline-block;
}
.nav-cta:hover { background: var(--gold-light); transform: translateY(-1px); }

/* ── 按钮 ── */
.btn-primary {
  background: var(--gold); color: var(--ink);
  padding: 0.9rem 2.5rem; font-family: 'Outfit', sans-serif;
  font-size: 0.8rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  border: none; cursor: pointer; transition: all 0.3s;
  text-decoration: none; display: inline-block;
}
.btn-primary:hover { background: var(--gold-light); transform: translateY(-2px); }
.btn-ghost {
  border: 1px solid var(--border); color: var(--muted);
  padding: 0.9rem 2.5rem; font-family: 'Outfit', sans-serif;
  font-size: 0.8rem; font-weight: 400; letter-spacing: 0.12em; text-transform: uppercase;
  cursor: pointer; transition: all 0.3s; background: none; text-decoration: none; display: inline-block;
}
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }

/* ── 视差星点 ── */
.stars {
  position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden;
}
.star-dot {
  position: absolute; background: rgba(245,240,232,0.4); border-radius: 50%;
  animation: twinkle linear infinite;
}
@keyframes twinkle {
  0%,100% { opacity: 0.2; } 50% { opacity: 0.8; }
}

@media (max-width: 900px) {
  body > nav { padding: 1.2rem 2rem; }
  .nav-links { display: none; }
}