/* ==========================================================================
   GameHub 游戏厅 —— 与 ultrav.cn 同一套暗色科技风
   ========================================================================== */
:root {
  --bg: #04060e;
  --panel: rgba(14, 20, 38, .72);
  --panel-solid: #0b1223;
  --line: rgba(120, 160, 255, .14);
  --line-2: rgba(120, 160, 255, .28);
  --txt: #e6edff;
  --txt-2: #9aa9c9;
  --txt-3: #64739a;
  --cy: #22d3ee;
  --vi: #8b5cf6;
  --pk: #f472b6;
  --gr: #34d399;
  --or: #fbbf24;
  --rd: #f87171;
  --grad: linear-gradient(100deg, #22d3ee 0%, #6366f1 45%, #a855f7 100%);
  --radius: 14px;
  --shadow: 0 10px 40px -12px rgba(0, 0, 0, .8);
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--txt);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  font-size: 14px; line-height: 1.6; overflow-x: hidden; -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input { font-family: inherit; font-size: inherit; color: inherit; }
::selection { background: rgba(139, 92, 246, .35); }
body::before {
  content: ""; position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(99, 102, 241, .22), transparent 70%),
    radial-gradient(ellipse 60% 50% at 90% 10%, rgba(34, 211, 238, .12), transparent 70%),
    radial-gradient(ellipse 60% 60% at 5% 90%, rgba(168, 85, 247, .12), transparent 70%);
}
body::after {
  content: ""; position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: .5;
  background-image: linear-gradient(rgba(120, 160, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 160, 255, .045) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 100% 100% at 50% 0%, #000 20%, transparent 85%);
  -webkit-mask-image: radial-gradient(ellipse 100% 100% at 50% 0%, #000 20%, transparent 85%);
}
.wrap { position: relative; z-index: 1; max-width: 1320px; margin: 0 auto; padding: 0 20px; }

/* ---------- 导航 ---------- */
header.nav {
  position: sticky; top: 0; z-index: 50; backdrop-filter: blur(14px);
  background: rgba(4, 6, 14, .72); border-bottom: 1px solid var(--line);
}
.nav-in { display: flex; align-items: center; gap: 26px; height: 62px; }
.logo { font-weight: 800; letter-spacing: 2px; font-size: 16px; }
.logo span { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nav-links { display: flex; gap: 20px; font-size: 13px; color: var(--txt-2); }
.nav-links a:hover { color: var(--txt); }
.nav-right { margin-left: auto; display: flex; align-items: center; gap: 12px; font-size: 12px; color: var(--txt-2); }
.dot-live { width: 7px; height: 7px; border-radius: 50%; background: var(--gr); box-shadow: 0 0 8px var(--gr); display: inline-block; }

/* ---------- Hero ---------- */
.hero { padding: 64px 0 30px; }
.kicker {
  display: inline-flex; align-items: center; gap: 8px; padding: 5px 12px; border-radius: 999px;
  border: 1px solid var(--line-2); background: rgba(34, 211, 238, .07); color: var(--cy);
  font-size: 12px; letter-spacing: 1px; margin-bottom: 18px;
}
h1.title { font-size: clamp(30px, 5vw, 52px); line-height: 1.15; margin: 0 0 14px; letter-spacing: -1px; }
h1.title em { font-style: normal; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lede { color: var(--txt-2); max-width: 820px; font-size: 15px; }
.hero-stats { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.stat {
  flex: 1 1 160px; padding: 14px 16px; border-radius: var(--radius); border: 1px solid var(--line);
  background: var(--panel); backdrop-filter: blur(8px);
}
.stat b { display: block; font-size: 22px; font-family: var(--mono); letter-spacing: -.5px; }
.stat span { font-size: 12px; color: var(--txt-3); }

/* ---------- 区块标题 ---------- */
.sec { padding: 34px 0; }
.sec-head { display: flex; align-items: flex-end; gap: 14px; margin-bottom: 16px; flex-wrap: wrap; }
.sec-head h2 { font-size: 20px; margin: 0; letter-spacing: .5px; }
.sec-head p { margin: 0; color: var(--txt-3); font-size: 13px; }

/* ---------- 房间号快联 ---------- */
.quick {
  display: flex; gap: 14px; align-items: center; flex-wrap: wrap; padding: 18px 20px;
  border-radius: var(--radius); border: 1px solid var(--line-2); background: linear-gradient(120deg, rgba(34, 211, 238, .08), rgba(139, 92, 246, .08));
}
.quick .lab { font-size: 13px; color: var(--txt-2); }
.quick input {
  height: 44px; padding: 0 14px; border-radius: 10px; background: rgba(4, 6, 14, .8);
  border: 1px solid var(--line-2); letter-spacing: 5px; text-transform: uppercase;
  font-family: var(--mono); font-weight: 700; width: 180px; outline: none;
}
.quick input:focus { border-color: var(--cy); box-shadow: 0 0 0 3px rgba(34, 211, 238, .15); }
.quick select {
  height: 44px; padding: 0 12px; border-radius: 10px; background: rgba(4, 6, 14, .8);
  border: 1px solid var(--line-2); outline: none;
}
.btn {
  height: 44px; padding: 0 20px; border-radius: 10px; border: none; cursor: pointer;
  background: var(--grad); color: #05070f; font-weight: 700; letter-spacing: .5px;
  transition: .18s; display: inline-flex; align-items: center; justify-content: center; gap: 8px;
}
.btn:hover { filter: brightness(1.12); transform: translateY(-1px); }
.btn.ghost { background: rgba(120, 160, 255, .1); color: var(--txt); border: 1px solid var(--line-2); }

/* ---------- 价格表风格的游戏表 ---------- */
.tablecard {
  border-radius: var(--radius); border: 1px solid var(--line); background: var(--panel);
  backdrop-filter: blur(10px); overflow: hidden; box-shadow: var(--shadow);
}
table.games { width: 100%; border-collapse: collapse; font-size: 13px; }
table.games thead th {
  text-align: left; padding: 12px 16px; font-size: 11px; letter-spacing: 1.2px; text-transform: uppercase;
  color: var(--txt-3); border-bottom: 1px solid var(--line); background: rgba(6, 10, 20, .55); white-space: nowrap;
}
table.games tbody td { padding: 14px 16px; border-bottom: 1px solid rgba(120, 160, 255, .07); vertical-align: middle; }
table.games tbody tr:hover { background: rgba(120, 160, 255, .045); }
table.games tbody tr:last-child td { border-bottom: none; }
.g-name { font-weight: 700; font-size: 14px; display: flex; align-items: center; gap: 10px; }
.g-ico {
  width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; font-size: 18px;
  background: rgba(120, 160, 255, .1); border: 1px solid var(--line);
}
.g-sub { font-size: 11px; color: var(--txt-3); margin-top: 2px; font-weight: 400; }
.tag {
  display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 11px; letter-spacing: .3px;
  border: 1px solid var(--line-2); color: var(--txt-2); white-space: nowrap;
}
.tag.gr { color: var(--gr); border-color: rgba(52, 211, 153, .35); background: rgba(52, 211, 153, .08); }
.tag.or { color: var(--or); border-color: rgba(251, 191, 36, .35); background: rgba(251, 191, 36, .08); }
.tag.vi { color: #c4b5fd; border-color: rgba(139, 92, 246, .4); background: rgba(139, 92, 246, .1); }
.tag.cy { color: var(--cy); border-color: rgba(34, 211, 238, .35); background: rgba(34, 211, 238, .08); }
.tag.pk { color: var(--pk); border-color: rgba(244, 114, 182, .35); background: rgba(244, 114, 182, .08); }
.tag.dim { color: var(--txt-3); border-color: var(--line); }
.mono { font-family: var(--mono); font-size: 12px; color: var(--txt-2); }
.play {
  display: inline-flex; align-items: center; gap: 6px; height: 32px; padding: 0 14px; border-radius: 8px;
  background: rgba(34, 211, 238, .12); border: 1px solid rgba(34, 211, 238, .4); color: var(--cy);
  font-weight: 600; font-size: 12px; transition: .15s; white-space: nowrap;
}
.play:hover { background: rgba(34, 211, 238, .22); }
.play.off { color: var(--txt-3); border-color: var(--line); background: rgba(120, 160, 255, .05); cursor: not-allowed; }

/* ---------- 卡片区 ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.card {
  padding: 20px; border-radius: var(--radius); border: 1px solid var(--line);
  background: var(--panel); backdrop-filter: blur(8px); transition: .2s;
}
.card:hover { border-color: var(--line-2); transform: translateY(-2px); }
.card h3 { margin: 0 0 8px; font-size: 15px; display: flex; align-items: center; gap: 8px; }
.card p { margin: 0; color: var(--txt-2); font-size: 13px; }
.card ul { margin: 8px 0 0; padding-left: 18px; color: var(--txt-2); font-size: 13px; }
.card li { margin: 3px 0; }
kbd {
  font-family: var(--mono); font-size: 11px; padding: 1px 6px; border-radius: 5px;
  background: rgba(120, 160, 255, .12); border: 1px solid var(--line-2); color: var(--txt);
}

/* ---------- FAQ ---------- */
.faq details {
  border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px; margin-bottom: 10px;
  background: rgba(10, 16, 30, .55);
}
.faq summary { cursor: pointer; font-weight: 600; font-size: 14px; }
.faq details p { margin: 10px 0 0; color: var(--txt-2); font-size: 13px; }

footer.ft { margin-top: 40px; padding: 28px 0 50px; border-top: 1px solid var(--line); color: var(--txt-3); font-size: 12px; }
footer.ft a { color: var(--txt-2); }
footer.ft a:hover { color: var(--cy); }

@media (max-width: 860px) {
  table.games { font-size: 12px; }
  .hide-sm { display: none; }
  .hero { padding-top: 40px; }
}

/* ---------- 主推游戏卡片（首页最上面） ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; }
.feature {
  position: relative; display: flex; gap: 16px; align-items: flex-start; padding: 20px;
  border-radius: var(--radius); border: 1px solid var(--line-2);
  background: linear-gradient(150deg, rgba(34, 211, 238, .07), rgba(139, 92, 246, .07) 60%, rgba(8, 12, 24, .6));
  transition: .2s; overflow: hidden;
}
.feature::after {
  content: ""; position: absolute; inset: 0; opacity: 0; transition: .25s;
  background: radial-gradient(circle at 20% 0%, rgba(34, 211, 238, .18), transparent 60%);
}
.feature:hover { transform: translateY(-3px); border-color: rgba(34, 211, 238, .55); box-shadow: 0 18px 40px -20px rgba(34, 211, 238, .45); }
.feature:hover::after { opacity: 1; }
.f-ico {
  width: 54px; height: 54px; flex: 0 0 54px; border-radius: 14px; display: grid; place-items: center; font-size: 26px;
  background: rgba(120, 160, 255, .12); border: 1px solid var(--line-2);
}
.f-body { flex: 1; min-width: 0; }
.f-title { font-size: 16px; font-weight: 700; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.f-desc { color: var(--txt-2); font-size: 13px; margin: 6px 0 10px; }
.f-meta { display: flex; gap: 8px; flex-wrap: wrap; }
.f-go { align-self: center; color: var(--cy); font-size: 13px; font-weight: 700; white-space: nowrap; }

/* ---------- 小游戏专区占位 ---------- */
.soon {
  display: flex; gap: 20px; align-items: flex-start; padding: 24px; border-radius: var(--radius);
  border: 1px dashed rgba(120, 160, 255, .35); background: rgba(10, 16, 30, .5);
}
.soon-badge {
  flex: 0 0 auto; padding: 6px 14px; border-radius: 999px; font-size: 12px; font-weight: 700;
  color: var(--or); border: 1px solid rgba(251, 191, 36, .4); background: rgba(251, 191, 36, .09);
}
.soon-body h3 { margin: 0 0 8px; font-size: 16px; }
.soon-body p { margin: 0 0 8px; color: var(--txt-2); font-size: 13px; }
.soon-note { color: var(--txt-3) !important; font-size: 12px !important; }
@media (max-width: 640px) { .soon { flex-direction: column; gap: 12px; } }

/* ---------- 小游戏专区 ---------- */
.mg-filter { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.mg-chip {
  padding: 6px 14px; border-radius: 999px; font-size: 13px; cursor: pointer; transition: .16s;
  border: 1px solid var(--line-2); color: var(--txt-2); background: rgba(120, 160, 255, .05);
}
.mg-chip:hover { color: var(--txt); border-color: rgba(34, 211, 238, .5); }
.mg-chip.on { color: #04121a; background: var(--grad); border-color: transparent; font-weight: 700; }
.mg-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 14px; }
.mg-card {
  position: relative; display: flex; gap: 14px; padding: 16px; border-radius: 12px;
  border: 1px solid var(--line); background: rgba(10, 16, 30, .62); transition: .18s; overflow: hidden;
}
.mg-card:hover { transform: translateY(-3px); border-color: rgba(34, 211, 238, .45); box-shadow: 0 16px 34px -22px rgba(34, 211, 238, .6); }
.mg-ico {
  width: 46px; height: 46px; flex: 0 0 46px; border-radius: 12px; display: grid; place-items: center; font-size: 22px;
  background: rgba(120, 160, 255, .1); border: 1px solid var(--line);
}
.mg-body { flex: 1; min-width: 0; }
.mg-name { font-size: 14px; font-weight: 700; display: flex; align-items: center; gap: 6px; }
.mg-cn { font-size: 11px; color: var(--txt-3); font-weight: 400; }
.mg-desc { font-size: 12px; color: var(--txt-2); margin: 5px 0 8px; line-height: 1.55; }
.mg-meta { display: flex; gap: 6px; flex-wrap: wrap; font-size: 11px; }
.mg-hot {
  position: absolute; right: -1px; top: -1px; font-size: 10px; padding: 2px 8px; border-bottom-left-radius: 8px;
  background: linear-gradient(135deg, #f472b6, #a855f7); color: #fff; font-weight: 700; letter-spacing: .5px;
}
.mg-loading { color: var(--txt-3); font-size: 13px; padding: 20px 0; grid-column: 1/-1; }

/* ==========================================================================
   主游戏大入口（OPERATION BLACKOUT）
   ========================================================================== */
.cod-hero{
  position:relative; margin:18px 0 8px; min-height:min(72vh,560px);
  border:1px solid var(--line-2); border-radius:20px; overflow:hidden;
  display:flex; align-items:flex-end;
  box-shadow:0 30px 80px -40px rgba(0,0,0,.95), inset 0 0 120px rgba(0,0,0,.55);
}
.cod-hero-bg{
  position:absolute; inset:0; background-size:cover; background-position:center 42%;
  transform:scale(1.03); filter:saturate(1.05) contrast(1.05);
}
.cod-hero-grad{
  position:absolute; inset:0;
  background:
    linear-gradient(90deg, rgba(4,6,14,.96) 0%, rgba(4,6,14,.72) 42%, rgba(4,6,14,.18) 72%, rgba(4,6,14,.55) 100%),
    linear-gradient(0deg, rgba(4,6,14,.96) 0%, rgba(4,6,14,.15) 46%, rgba(4,6,14,.35) 100%);
}
.cod-hero-in{ position:relative; z-index:2; width:100%; padding:38px 40px 56px; max-width:760px; }
.cod-kicker{
  display:inline-flex; align-items:center; gap:8px; font-size:11px; letter-spacing:.26em;
  color:var(--cy); border:1px solid rgba(34,211,238,.35); background:rgba(34,211,238,.08);
  padding:5px 12px; border-radius:999px; margin-bottom:16px; text-transform:uppercase;
}
.live-dot{ width:6px; height:6px; border-radius:50%; background:var(--gr); box-shadow:0 0 10px var(--gr); animation:pulseDot 1.6s infinite; }
@keyframes pulseDot{ 0%,100%{opacity:1} 50%{opacity:.35} }
.cod-title{
  margin:0 0 14px; font-size:clamp(38px,6.2vw,80px); line-height:.92; font-weight:900;
  letter-spacing:-.02em; text-shadow:0 10px 40px rgba(0,0,0,.85);
}
.cod-title span{ display:block; background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent; }
.cod-sub{ margin:0 0 22px; max-width:560px; color:#c3cee8; font-size:14.5px; line-height:1.75; }
.cod-actions{ display:flex; gap:12px; flex-wrap:wrap; margin-bottom:18px; }
.cod-btn{
  display:inline-flex; align-items:center; gap:10px; padding:13px 26px; border-radius:12px;
  font-weight:700; letter-spacing:.06em; transition:transform .12s, box-shadow .2s, background .2s;
}
.cod-btn.primary{
  background:linear-gradient(100deg,#22d3ee,#6366f1 55%,#a855f7); color:#050914;
  box-shadow:0 12px 34px -10px rgba(99,102,241,.85);
}
.cod-btn.primary:hover{ transform:translateY(-1px); box-shadow:0 18px 44px -12px rgba(99,102,241,1); }
.cod-btn.ghost{ border:1px solid rgba(230,237,255,.28); color:#dbe4fb; background:rgba(8,12,24,.5); }
.cod-btn.ghost:hover{ background:rgba(30,40,66,.7); }
.cod-tags{ display:flex; gap:8px; flex-wrap:wrap; }
.cod-tags span{
  font-size:11px; letter-spacing:.12em; color:#b9c6e2; padding:4px 10px;
  border:1px solid rgba(120,160,255,.22); border-radius:999px; background:rgba(10,16,30,.55);
}
.cod-hero-stats{
  position:absolute; right:26px; bottom:26px; z-index:2; display:flex; gap:22px;
  padding:12px 20px; border:1px solid rgba(120,160,255,.2); border-radius:14px;
  background:rgba(6,10,20,.62); backdrop-filter:blur(6px);
}
.cod-hero-stats div{ text-align:center; }
.cod-hero-stats b{ display:block; font-size:24px; line-height:1; color:#eaf0ff; }
.cod-hero-stats span{ font-size:10px; letter-spacing:.2em; color:var(--txt-3); }

/* 三张地图 */
.map-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:14px; }
.map-card{
  position:relative; padding:20px; border-radius:16px; border:1px solid var(--line);
  background:linear-gradient(160deg, rgba(18,26,48,.9), rgba(8,12,24,.9));
  transition:transform .16s, border-color .16s, box-shadow .16s; overflow:hidden;
}
.map-card:before{
  content:""; position:absolute; inset:0; opacity:.5;
  background:radial-gradient(120% 90% at 100% 0, rgba(99,102,241,.28), transparent 60%);
}
.map-card.mc-2:before{ background:radial-gradient(120% 90% at 100% 0, rgba(251,191,36,.22), transparent 60%); }
.map-card.mc-3:before{ background:radial-gradient(120% 90% at 100% 0, rgba(139,92,246,.26), transparent 60%); }
.map-card:hover{ transform:translateY(-3px); border-color:var(--line-2); box-shadow:var(--shadow); }
.mc-top{ position:relative; display:flex; justify-content:space-between; align-items:center; margin-bottom:14px; }
.mc-no{ font-family:var(--mono); font-size:12px; color:var(--txt-3); letter-spacing:.1em; }
.mc-name{ position:relative; font-size:20px; font-weight:800; letter-spacing:.02em; margin-bottom:8px; }
.mc-desc{ position:relative; font-size:12.5px; color:var(--txt-2); line-height:1.7; min-height:44px; }
.mc-go{ position:relative; margin-top:14px; font-size:12px; font-weight:700; color:var(--cy); letter-spacing:.1em; }

/* 主游戏卡片 */
.feature.featured-main{ position:relative; overflow:hidden; min-height:150px; }
.feature.featured-main .f-thumb{
  position:absolute; right:0; top:0; bottom:0; width:46%;
  background-size:cover; background-position:center;
  mask-image:linear-gradient(90deg, transparent, #000 45%);
  -webkit-mask-image:linear-gradient(90deg, transparent, #000 45%);
  opacity:.85;
}
.feature.featured-main .f-body{ position:relative; z-index:2; }

@media (max-width:820px){
  .cod-hero{ min-height:auto; }
  .cod-hero-in{ padding:26px 22px 30px; }
  .cod-hero-stats{ position:static; margin:0 22px 24px; justify-content:space-between; }
  .map-grid{ grid-template-columns:1fr; }
  .feature.featured-main .f-thumb{ width:100%; opacity:.28; }
}