:root {
  --bg: #0b0e1a;
  --bg-soft: #121733;
  --card: #161b3a;
  --text: #e8ecff;
  --muted: #9aa3c7;
  --accent: #00e5ff;
  --accent-2: #ff2e88;
  --radius: 14px;
  --maxw: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: radial-gradient(1200px 600px at 70% -10%, #1b2350 0%, var(--bg) 55%);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(11,14,26,.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { font-weight: 700; font-size: 1.1rem; color: var(--text); }
.brand:hover { text-decoration: none; }
.site-header nav a { color: var(--muted); margin-left: 18px; font-size: .95rem; }
.site-header nav a:hover { color: var(--text); }

/* Hero */
.hero { padding: 72px 0 48px; text-align: center; }
.hero h1 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  margin: 0 0 16px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lede { color: var(--muted); max-width: 620px; margin: 0 auto 28px; font-size: 1.05rem; }
.cta {
  display: inline-block; padding: 12px 26px; border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: #0b0e1a; font-weight: 700;
}
.cta:hover { text-decoration: none; opacity: .92; }

/* Games */
.games { padding: 40px 0 10px; }
.games h2 { font-size: 1.6rem; margin: 0 0 4px; }
.section-sub { color: var(--muted); margin: 0 0 24px; }
.grid {
  list-style: none; margin: 0; padding: 0;
  display: grid; gap: 18px;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}
.card {
  background: var(--card);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: var(--radius);
  padding: 20px;
  transition: transform .15s ease, border-color .15s ease;
}
.card:hover { transform: translateY(-3px); border-color: var(--accent); }
.card h3 { margin: 0 0 8px; font-size: 1.15rem; }
.card h3 a { color: var(--text); }
.card p { color: var(--muted); margin: 0 0 14px; font-size: .95rem; }
.tag {
  display: inline-block; font-size: .75rem; padding: 3px 10px; margin-right: 6px;
  border-radius: 999px; background: rgba(0,229,255,.12); color: var(--accent);
  border: 1px solid rgba(0,229,255,.25);
}

/* FAQ */
.faq { padding: 48px 0; }
.faq h2 { font-size: 1.6rem; }
.faq dl { margin: 0; }
.faq dt { font-weight: 700; margin-top: 18px; color: var(--text); }
.faq dd { margin: 6px 0 0; color: var(--muted); }

/* Footer */
.site-footer { border-top: 1px solid rgba(255,255,255,.06); padding: 28px 0; margin-top: 30px; }
.site-footer p { margin: 4px 0; font-size: .9rem; }
.muted { color: var(--muted); }

/* 移动端 / 窄屏适配：避免头部品牌与导航在窄屏拥挤换行异常 */
@media (max-width: 640px) {
  .site-header .wrap {
    height: auto;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding-top: 10px;
    padding-bottom: 10px;
  }
  .site-header nav { display: flex; flex-wrap: wrap; gap: 12px; }
  .site-header nav a { margin-left: 0; font-size: .9rem; }
  .hero { padding: 44px 0 32px; }
  .games, .faq { padding-left: 0; padding-right: 0; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto; transition: none; }
}