/* ===========================================================
   game.rhua.net — 全局样式（暖金 / 浅色 / 简洁）
   =========================================================== */
:root {
  --bg: #fbf7f1;
  --bg-soft: #f4ece0;
  --card: #fffdf9;
  --ink: #1d1815;
  --ink-2: #4c443c;
  --muted: #847769;
  --gold: #c3923c;
  --gold-2: #ddb35f;
  --gold-deep: #8d631d;
  --line: #eae0cf;
  --shadow-sm: 0 1px 2px rgba(96, 70, 30, .05);
  --shadow: 0 2px 4px rgba(96, 70, 30, .05), 0 12px 28px -16px rgba(96, 70, 30, .28);
  --radius: 16px;
  --maxw: 1160px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
          "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }
::selection { background: #f2dfb9; color: var(--ink); }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* ---------------- 顶栏 ---------------- */
.site-head {
  position: sticky; top: 0; z-index: 50;
  background: rgba(251, 247, 241, .86);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.site-head-inner {
  display: flex; align-items: center; gap: 16px;
  height: 62px;
}
.brand {
  display: flex; align-items: center; gap: 9px;
  font-weight: 800; letter-spacing: -.3px; font-size: 17px;
  flex: 0 0 auto;
}
.brand-mark {
  width: 30px; height: 30px; border-radius: 9px;
  background: linear-gradient(145deg, var(--gold-2), var(--gold));
  display: grid; place-items: center;
  color: #fff; font-size: 15px;
  box-shadow: 0 4px 10px -4px rgba(160, 115, 35, .6);
}
.brand small { color: var(--muted); font-weight: 600; font-size: 12px; letter-spacing: 0; }

.head-nav { display: flex; gap: 4px; margin-left: 6px; }
.head-nav a {
  padding: 7px 12px; border-radius: 9px;
  font-size: 14px; color: var(--ink-2); font-weight: 600;
}
.head-nav a:hover { background: var(--bg-soft); color: var(--gold-deep); }

.search {
  margin-left: auto; position: relative; flex: 0 1 300px;
}
.search input {
  width: 100%; height: 38px;
  padding: 0 38px 0 36px;
  border: 1px solid var(--line); border-radius: 10px;
  background: #fff; color: var(--ink); font-size: 14px;
  outline: none; transition: border-color .15s, box-shadow .15s;
}
.search input::placeholder { color: #a69889; }
.search input:focus {
  border-color: var(--gold-2);
  box-shadow: 0 0 0 3px rgba(221, 179, 95, .22);
}
.search .s-ico {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  color: var(--muted); font-size: 14px; pointer-events: none;
}
.search .s-key {
  position: absolute; right: 9px; top: 50%; transform: translateY(-50%);
  font-size: 11px; color: #a69889; border: 1px solid var(--line);
  border-radius: 5px; padding: 1px 5px; background: #fff; pointer-events: none;
}
.search input:focus ~ .s-key { opacity: 0; }

/* ---------------- Hero ---------------- */
.hero { padding: 46px 0 30px; }
.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(28px, 4.4vw, 44px);
  line-height: 1.2; letter-spacing: -1px; font-weight: 800;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(100deg, var(--gold-deep), var(--gold-2) 70%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p {
  margin: 0 0 22px; max-width: 560px;
  color: var(--ink-2); font-size: 15.5px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  height: 42px; padding: 0 20px; border-radius: 11px;
  font-size: 14.5px; font-weight: 700;
  border: 1px solid transparent; transition: transform .12s, box-shadow .15s, background .15s;
}
.btn:active { transform: translateY(1px); }
.btn-gold {
  background: linear-gradient(145deg, var(--gold-2), var(--gold));
  color: #fff; box-shadow: 0 8px 18px -10px rgba(160, 115, 35, .9);
}
.btn-gold:hover { box-shadow: 0 10px 22px -8px rgba(160, 115, 35, .85); }
.btn-ghost {
  background: #fff; border-color: var(--line); color: var(--ink-2);
}
.btn-ghost:hover { border-color: var(--gold-2); color: var(--gold-deep); }
.btn-sm { height: 34px; padding: 0 13px; font-size: 13px; border-radius: 9px; }

.hero-stats { display: flex; gap: 22px; margin-top: 26px; flex-wrap: wrap; }
.hero-stats div { font-size: 13px; color: var(--muted); }
.hero-stats b { display: block; font-size: 19px; color: var(--ink); letter-spacing: -.4px; }

/* ---------------- 区块标题 ---------------- */
.sec { padding: 12px 0 30px; }
.sec-head {
  display: flex; align-items: baseline; gap: 12px;
  margin-bottom: 16px; flex-wrap: wrap;
}
.sec-head h2 {
  margin: 0; font-size: 19px; letter-spacing: -.4px; font-weight: 800;
}
.sec-head .sub { color: var(--muted); font-size: 13px; }
.sec-head .more {
  margin-left: auto; font-size: 13px; font-weight: 600; color: var(--gold-deep);
}
.sec-head .more:hover { text-decoration: underline; }

/* ---------------- 分类 chips ---------------- */
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.chip {
  height: 34px; padding: 0 15px; border-radius: 999px;
  border: 1px solid var(--line); background: #fff;
  font-size: 13.5px; font-weight: 600; color: var(--ink-2);
  transition: all .15s;
}
.chip:hover { border-color: var(--gold-2); color: var(--gold-deep); }
.chip[aria-pressed="true"] {
  background: var(--ink); color: #fff; border-color: var(--ink);
}

/* ---------------- 游戏卡片 ---------------- */
.grid {
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fill, minmax(196px, 1fr));
}
.card {
  position: relative; display: block;
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow); border-color: #e2d3ba;
}
.card-cover {
  position: relative; aspect-ratio: 16 / 11;
  display: grid; place-items: center; overflow: hidden;
}
.card-cover::after {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 78% 18%, rgba(255, 255, 255, .45), transparent 42%),
    repeating-linear-gradient(45deg, rgba(255, 255, 255, .07) 0 10px, transparent 10px 20px);
}
.card-emoji {
  font-size: 44px; line-height: 1; position: relative; z-index: 1;
  filter: drop-shadow(0 6px 12px rgba(0, 0, 0, .18));
  transition: transform .2s ease;
}
.card:hover .card-emoji { transform: scale(1.1) rotate(-3deg); }
.card-badge {
  position: absolute; top: 8px; left: 8px; z-index: 2;
  font-size: 11px; font-weight: 700; letter-spacing: .2px;
  padding: 2px 7px; border-radius: 6px;
  background: rgba(255, 255, 255, .92); color: var(--gold-deep);
}
.card-play {
  position: absolute; inset: 0; z-index: 2;
  display: grid; place-items: center;
  background: rgba(24, 18, 12, .22);
  opacity: 0; transition: opacity .18s;
}
.card:hover .card-play { opacity: 1; }
.card-play span {
  width: 46px; height: 46px; border-radius: 50%;
  background: #fff; color: var(--gold-deep);
  display: grid; place-items: center; font-size: 16px;
  box-shadow: 0 8px 20px -8px rgba(0, 0, 0, .55);
}
.card-body { padding: 11px 13px 13px; }
.card-title {
  font-size: 15px; font-weight: 700; letter-spacing: -.2px;
  display: flex; align-items: center; gap: 6px;
}
.card-desc {
  margin-top: 3px; font-size: 12.5px; color: var(--muted);
  display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-meta {
  margin-top: 9px; display: flex; align-items: center; gap: 10px;
  font-size: 12px; color: var(--muted);
}
.card-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: #d3c4ae; }
.card-meta .best { margin-left: auto; color: var(--gold-deep); font-weight: 700; }

.empty {
  padding: 46px 20px; text-align: center; color: var(--muted);
  border: 1px dashed var(--line); border-radius: var(--radius); background: #fff;
}
.empty b { display: block; color: var(--ink); font-size: 15px; margin-bottom: 4px; }

/* ---------------- 页脚 ---------------- */
.site-foot {
  margin-top: 40px; border-top: 1px solid var(--line);
  padding: 26px 0 40px; background: linear-gradient(180deg, #fffdf9, var(--bg-soft));
}
.foot-inner {
  display: flex; flex-wrap: wrap; gap: 14px 26px; align-items: center;
  font-size: 13px; color: var(--muted);
}
.foot-inner a:hover { color: var(--gold-deep); }
.foot-sep { margin-left: auto; }

/* ---------------- 响应式 ---------------- */
@media (max-width: 720px) {
  .head-nav { display: none; }
  .search { flex: 1 1 auto; }
  .brand small { display: none; }
  .hero { padding: 32px 0 22px; }
  .grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
  .card-emoji { font-size: 36px; }
  .hero-stats { gap: 18px; }
}