/* ============================================================
   星悦轻量娱乐场 — 全局样式
   设计目标：零依赖、轻量、响应式、可访问、尊重 prefers-reduced-motion
   ============================================================ */

:root {
  --bg: #0b1020;
  --bg-alt: #121a33;
  --surface: #18213f;
  --surface-2: #1f2a4d;
  --text: #eef2ff;
  --text-dim: #aab3d6;
  --gold: #f4c95d;
  --gold-strong: #ffd970;
  --accent: #6ea8fe;
  --good: #4ade80;
  --bad: #f87171;
  --radius: 14px;
  --maxw: 1080px;
  --shadow: 0 10px 30px rgba(0, 0, 0, .35);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC",
    "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  background:
    radial-gradient(1200px 600px at 70% -10%, #1b264d 0%, transparent 60%),
    radial-gradient(900px 500px at -10% 10%, #16203f 0%, transparent 55%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

img, svg { max-width: 100%; height: auto; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 20px; }

/* ---------- 可访问性：跳过链接 ---------- */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--gold);
  color: #1a1300;
  padding: 10px 16px;
  border-radius: 0 0 10px 0;
  z-index: 100;
  font-weight: 700;
}
.skip-link:focus { left: 0; }

/* ---------- 可见焦点 ---------- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
}

/* ---------- 头部 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 16, 32, .82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 64px;
  flex-wrap: wrap;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 800;
  font-size: 1.1rem;
}
.brand:hover { text-decoration: none; }
.brand-mark { font-size: 1.4rem; }

.site-nav ul {
  list-style: none;
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}
.site-nav a {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 10px;
  color: var(--text-dim);
  font-weight: 600;
}
.site-nav a:hover { color: var(--text); background: var(--surface); text-decoration: none; }
.site-nav a[aria-current="page"] { color: var(--gold); background: var(--surface); }

.balance-pill {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid rgba(244, 201, 93, .35);
  padding: 6px 14px;
  border-radius: 999px;
  font-weight: 700;
}
.balance-label { color: var(--text-dim); font-size: .85rem; font-weight: 600; }
.balance-value { color: var(--gold-strong); font-variant-numeric: tabular-nums; }

/* ---------- Hero ---------- */
.hero { padding: 64px 0 40px; text-align: center; }
.eyebrow {
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gold);
  font-size: .8rem;
  font-weight: 700;
  margin: 0 0 12px;
}
.hero h1 {
  font-size: clamp(2.2rem, 6vw, 3.6rem);
  margin: 0 0 14px;
  line-height: 1.1;
  background: linear-gradient(180deg, #fff, var(--gold));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead { font-size: clamp(1rem, 2.4vw, 1.25rem); color: var(--text-dim); max-width: 720px; margin: 0 auto 24px; }
.hero-note { color: var(--text-dim); font-size: .9rem; margin-top: 18px; }
.cta-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 12px;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .08s ease, filter .15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: linear-gradient(180deg, var(--gold-strong), var(--gold)); color: #1a1300; }
.btn-primary:hover { filter: brightness(1.05); text-decoration: none; }
.btn-ghost { background: transparent; color: var(--text); border-color: rgba(255,255,255,.25); }
.btn-ghost:hover { background: var(--surface); text-decoration: none; }

/* ---------- 区块 ---------- */
.section { padding: 48px 0; }
.section-alt { background: linear-gradient(180deg, rgba(255,255,255,.02), transparent); border-block: 1px solid rgba(255,255,255,.06); }
.section h2 { font-size: clamp(1.5rem, 4vw, 2.1rem); margin: 0 0 8px; }
.section-intro { color: var(--text-dim); margin: 0 0 28px; }

/* ---------- 游戏卡片 ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}
.game-card {
  background: var(--surface);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-shadow: var(--shadow);
}
.game-icon { font-size: 2rem; }
.game-card h3 { margin: 0; font-size: 1.2rem; }
.game-card h3 a { color: var(--text); }
.card-link { margin-top: auto; color: var(--gold); font-weight: 700; }

/* ---------- 特性 ---------- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.feature {
  background: var(--surface);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: var(--radius);
  padding: 20px;
}
.feature h3 { margin: 0 0 6px; font-size: 1.05rem; }

/* ---------- 富文本 ---------- */
.prose { max-width: 760px; }
.prose p, .prose li { color: var(--text-dim); }
.prose strong { color: var(--text); }
.prose ul, .prose ol { padding-left: 1.2em; }
.steps { padding-left: 1.2em; }
.steps li { margin-bottom: 8px; }

.faq dt { font-weight: 700; color: var(--text); margin-top: 16px; }
.faq dd { margin: 4px 0 0; color: var(--text-dim); }
.center { text-align: center; }

/* ---------- 游戏台面（各游戏共用） ---------- */
.game-stage {
  background: var(--surface);
  border: 1px solid rgba(244,201,93,.25);
  border-radius: var(--radius);
  padding: 28px;
  margin-top: 20px;
  box-shadow: var(--shadow);
}
.stage-row { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; justify-content: center; }
.reel, .die, .coin {
  font-size: 3rem;
  background: var(--surface-2);
  border-radius: 12px;
  width: 96px; height: 96px;
  display: grid; place-items: center;
  border: 1px solid rgba(255,255,255,.1);
}
.reels { display: flex; gap: 12px; justify-content: center; margin: 12px 0; }
.spin-anim { animation: pop .25s ease; }
@keyframes pop { 0% { transform: scale(.8); } 100% { transform: scale(1); } }

.bet-controls { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; justify-content: center; margin: 16px 0; }
.bet-controls label { color: var(--text-dim); font-weight: 600; }
.bet-controls input[type="number"] {
  width: 120px; padding: 10px 12px; border-radius: 10px;
  border: 1px solid rgba(255,255,255,.15); background: var(--bg-alt); color: var(--text);
  font-size: 1rem;
}
.choice-group { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.choice {
  padding: 10px 18px; border-radius: 12px; border: 1px solid rgba(255,255,255,.2);
  background: var(--surface-2); color: var(--text); font-weight: 700; cursor: pointer;
}
.choice[aria-pressed="true"] { border-color: var(--gold); background: rgba(244,201,93,.15); color: var(--gold-strong); }

.result {
  text-align: center; margin-top: 18px; font-size: 1.15rem; font-weight: 700; min-height: 1.6em;
}
.result.win { color: var(--good); }
.result.lose { color: var(--bad); }

/* ---------- 页脚 ---------- */
.site-footer { border-top: 1px solid rgba(255,255,255,.08); padding: 32px 0; margin-top: 40px; }
.footer-inner { display: flex; flex-direction: column; gap: 12px; align-items: center; text-align: center; }
.footer-brand { font-weight: 800; margin: 0; }
.footer-nav { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }
.footer-note { color: var(--text-dim); font-size: .85rem; margin: 0; }

/* ---------- 面包屑 ---------- */
.breadcrumb { color: var(--text-dim); font-size: .9rem; margin: 18px 0 0; }
.breadcrumb a { color: var(--text-dim); }

/* ---------- 减少动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* ---------- 小屏适配 ---------- */
@media (max-width: 560px) {
  .header-inner { gap: 10px; }
  .site-nav { order: 3; width: 100%; }
  .balance-pill { margin-left: 0; }
  .reel, .die, .coin { width: 72px; height: 72px; font-size: 2.2rem; }
  .card { width: 52px; height: 74px; font-size: 1.2rem; }
}

/* ---------- 21点：扑克牌 ---------- */
.bj-block { text-align: center; }
.bj-label {
  font-size: .95rem; color: var(--gold); margin: 0 0 10px;
  letter-spacing: .12em; font-weight: 700;
}
.hands {
  display: flex; gap: 10px; justify-content: center; flex-wrap: wrap;
  min-height: 96px; align-items: center;
}
.card {
  display: grid; place-items: center;
  width: 64px; height: 90px;
  background: #fdfdfb; color: #12182e;
  border-radius: 10px;
  border: 1px solid rgba(0, 0, 0, .3);
  font-weight: 800; font-size: 1.5rem; line-height: 1;
  box-shadow: 0 6px 16px rgba(0, 0, 0, .32);
  animation: card-in .18s ease;
}
.card.red { color: #d3263c; }
.card.back {
  background: repeating-linear-gradient(45deg, #34427a 0 7px, #26325e 7px 14px);
  border-color: rgba(255, 255, 255, .25);
}
@keyframes card-in {
  from { opacity: 0; transform: translateY(8px) scale(.96); }
  to { opacity: 1; transform: none; }
}
.bj-total { color: var(--text-dim); margin: 10px 0 0; }
.bj-total strong { color: var(--gold-strong); font-size: 1.1rem; }
.bj-divider { height: 1px; background: rgba(255, 255, 255, .1); margin: 22px 0; }

/* ---------- 品牌合集页：站点标识 ---------- */
.site-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: .8rem;
  color: var(--text-dim);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  word-break: break-all;
}
.site-dot {
  width: 8px;
  height: 8px;
  flex: none;
  border-radius: 50%;
  background: var(--good);
  box-shadow: 0 0 0 3px rgba(74, 222, 128, .18);
}