/* ============================================================
 * 游戏厅 · 样式(暖色街机风:深木底 + 金色点缀)
 * 五子棋 / 象棋 / 矿工都是木质 + 金色,首页沿用同一套语言,放一起才像一家的
 * ============================================================ */
:root {
  --bg: #14100b;
  --bg-2: #0a0705;
  --panel: #241a12;
  --panel-2: #2f2216;
  --line: #4a3722;
  --text: #f6ead6;
  --dim: #b39a78;
  --gold: #f0c245;
  --gold-d: #b8860b;
}

* { box-sizing: border-box; }

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

body {
  min-height: 100%;
  /* fixed 是刻意的:暖光锚在视口顶部,页面往下滚也不会一路黑掉。
     (html 没有背景时,body 的背景会上提成画布背景,所以这样写不会出现接缝。
     实测:2600px 高的页面上滚到一半,顶部依然是亮的。) */
  background:
    radial-gradient(900px 520px at 50% -8%, #4a3520 0%, transparent 62%),
    linear-gradient(168deg, var(--bg) 0%, var(--bg-2) 100%);
  background-attachment: fixed;
  color: var(--text);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
  padding: 44px 20px 56px;
}

.wrap { max-width: 1280px; margin: 0 auto; }

/* ---------- 头部 ---------- */
.hero {
  text-align: center;
  margin-bottom: 40px;
}

.kicker {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--gold-d);
}

.hero h1 {
  margin: 0 0 14px;
  font-size: 46px;
  letter-spacing: 8px;
  text-indent: 8px;          /* 抵消字间距在右边多出来的一格 */
  background: linear-gradient(180deg, #ffe9a8 0%, var(--gold) 55%, #c8931f 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lede {
  margin: 0 auto 20px;
  max-width: 30em;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--dim);
}

.stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 26px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--dim);
}
.stats b {
  color: var(--gold);
  font-size: 16px;
  font-variant-numeric: tabular-nums;
  margin-right: 3px;
}

/* ---------- 卡片网格 ----------
 * 列数写死三个断点,不用 auto-fit。
 * auto-fit + 1fr 在「装不满一行」时会把剩下那张拉满整行 —— 从三个游戏变成
 * 四个的那一刻,1060px 恰好只排得下三个,第四张就会孤零零地横在那儿,
 * 宽度是别人的三倍。显式断点永远不会出现孤行。
 *   一列 < 680px / 两列 680–1359px(2×2)/ 四列 ≥ 1360px
 */
.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media (min-width: 680px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1360px) {
  .grid { grid-template-columns: repeat(4, 1fr); }
}

.card {
  display: flex;
  flex-direction: column;
  background: linear-gradient(170deg, var(--panel), #1b130c);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.card:hover,
.card:focus-visible {
  transform: translateY(-5px);
  border-color: #7a5c34;
  box-shadow: 0 18px 40px rgba(0, 0, 0, .55), 0 0 0 1px rgba(240, 194, 69, .16);
}
.card:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

/* ---------- 缩略图 ---------- */
.thumb-wrap {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #1a1209;
  border-bottom: 1px solid var(--line);
}

.thumb {
  display: block;
  width: 100%;
  height: 100%;
  transition: transform .45s ease;
}
.card:hover .thumb { transform: scale(1.045); }

.num {
  position: absolute;
  top: 10px;
  left: 12px;
  padding: 3px 8px;
  border-radius: 7px;
  background: rgba(12, 8, 4, .62);
  border: 1px solid rgba(240, 194, 69, .32);
  color: var(--gold);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  font-variant-numeric: tabular-nums;
}

/* ---------- 卡片正文 ---------- */
.body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 16px 18px 17px;
}

.body h2 {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 8px;
  font-size: 19px;
  letter-spacing: 1px;
}
.body h2 .en {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: #8a7454;
}

.desc {
  margin: 0 0 12px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--dim);
}

.highlights {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  font-size: 12.5px;
  line-height: 1.85;
  color: #c9b393;
}
.highlights li {
  position: relative;
  padding-left: 14px;
}
.highlights li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .72em;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--gold-d);
}

.card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: auto;          /* 三个卡片的"开始游戏"永远对齐在底部 */
}

.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, .26);
  font-size: 11px;
  color: #a08a6a;
  white-space: nowrap;
}

.play {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .5px;
  color: var(--gold);
  white-space: nowrap;
}
.play i {
  font-style: normal;
  transition: transform .18s ease;
}
.card:hover .play i { transform: translateX(4px); }

/* ---------- 页脚 ---------- */
.foot {
  margin-top: 38px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.85;
  color: var(--dim);
}
.foot p { margin: 0 0 8px; }
.foot b { color: #d9c19c; font-weight: 600; }
.foot .dim { color: #8a7454; margin-bottom: 0; }
.foot code {
  padding: 1px 6px;
  border-radius: 5px;
  background: rgba(0, 0, 0, .34);
  border: 1px solid var(--line);
  font-size: 12px;
  color: #cbb18a;
}

.noscript {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--dim);
}
.noscript a { color: var(--gold); }

/* ---------- 窄屏 ---------- */
@media (max-width: 640px) {
  body { padding: 28px 14px 40px; }
  .hero h1 { font-size: 34px; letter-spacing: 6px; text-indent: 6px; }
  .hero { margin-bottom: 28px; }
  .grid { gap: 16px; }
  .body { padding: 14px 15px 15px; }
}

/* 系统设了"减少动态效果"就不要那些位移和缩放 */
@media (prefers-reduced-motion: reduce) {
  .card, .thumb, .play i { transition: none; }
  .card:hover { transform: none; }
  .card:hover .thumb { transform: none; }
  .card:hover .play i { transform: none; }
}