/* ============================================================
   大厅 · 纯游戏入口
   ============================================================ */

/* ---------- Hero ---------- */
.hero{padding:32px 0 8px}
.hero-card{
  position:relative;display:flex;align-items:center;gap:28px;
  padding:36px 40px;
  border-radius:var(--r-xl);
  background:linear-gradient(125deg,#fff6ee 0%,#fff 45%,#eef8ff 100%);
  border:1px solid #ffe8d8;
  box-shadow:0 14px 40px -22px rgba(200,140,100,.4);
  overflow:hidden;
}
.hero-card::after{
  content:"";position:absolute;right:-80px;top:-90px;
  width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(78,205,196,.18),transparent 68%);
  pointer-events:none;
}
.hc-copy{flex:1;min-width:0;position:relative;z-index:1}
.hc-badge{
  display:inline-block;padding:5px 12px;border-radius:99px;
  background:var(--surface);color:var(--primary-d);
  font-size:10.5px;font-weight:800;letter-spacing:.12em;
  box-shadow:var(--sh-1);
}
.hc-title{
  font-size:clamp(30px,5vw,48px);font-weight:900;line-height:1.12;
  letter-spacing:-.025em;margin:14px 0 12px;
}
.hc-accent{
  background:linear-gradient(100deg,var(--primary),#ff9f75 50%,var(--violet));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hc-desc{font-size:14px;color:var(--ink-2);line-height:1.7;max-width:40ch}
.hc-meta{display:flex;gap:16px;margin-top:18px;flex-wrap:wrap}
.hc-meta-item{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--ink-3);font-weight:600}
.hc-dot{width:7px;height:7px;border-radius:50%}
.hc-dot.green{background:var(--green);box-shadow:0 0 0 3px var(--green-soft)}
.hc-dot.orange{background:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}

.hc-art{width:240px;height:160px;flex-shrink:0;position:relative;z-index:1;animation:float-y 5s ease-in-out infinite}
.hc-art svg{width:100%;height:100%}
@media(max-width:760px){
  .hero-card{padding:24px;gap:0}
  .hc-art{display:none}
  .hc-title{font-size:30px}
}

/* ---------- 游戏区 ---------- */
.lobby{padding:30px 0 10px}
.lobby-head{display:flex;align-items:baseline;justify-content:space-between;gap:14px;margin-bottom:16px}
.lobby-head h2{font-size:19px;font-weight:900;letter-spacing:-.01em}
.lobby-count{font-size:12px;color:var(--ink-4);font-weight:600}

.lobby-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;
}
@media(max-width:900px){.lobby-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:560px){.lobby-grid{grid-template-columns:1fr}}

.lobby-card{
  display:flex;flex-direction:column;
  border-radius:var(--r-l);overflow:hidden;
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  text-align:left;
  transition:transform .25s var(--ease-out),box-shadow .25s,border-color .25s;
}
.lobby-card.live{cursor:pointer}
.lobby-card.live:hover{
  transform:translateY(-5px);
  border-color:#ffd4bd;
  box-shadow:0 22px 44px -24px rgba(220,150,110,.5);
}
.lobby-card.soon{cursor:default}

.lc-cover{
  position:relative;aspect-ratio:16/9;overflow:hidden;
  background:var(--surface-3);
}
.lc-cover svg{width:100%;height:100%;display:block;transition:transform .4s var(--ease-out)}
.lobby-card.live:hover .lc-cover svg{transform:scale(1.035)}
.lobby-card.soon .lc-cover svg{opacity:.8}

.lc-info{padding:14px 16px 16px;display:flex;flex-direction:column;gap:6px}
.lc-row{display:flex;align-items:center;gap:8px}
.lc-name{font-size:16px;font-weight:800;letter-spacing:-.01em}
.lc-cat{
  margin-left:auto;font-size:10.5px;font-weight:700;
  padding:3px 9px;border-radius:99px;
  background:var(--surface-3);color:var(--ink-3);flex-shrink:0;
}
.lc-desc{font-size:12px;color:var(--ink-3);line-height:1.55;min-height:1.55em}
.lc-foot{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:6px}
.lc-meta{font-size:11px;color:var(--ink-4);font-weight:600}
.lc-enter{
  display:inline-flex;align-items:center;gap:5px;
  font-size:12.5px;font-weight:800;color:var(--primary-d);
  transition:gap .18s;
}
.lc-enter svg{width:13px;height:13px;stroke:currentColor;fill:none;stroke-width:2.4}
.lobby-card.live:hover .lc-enter{gap:9px}
.lc-soon-badge{
  font-size:10.5px;font-weight:700;color:var(--ink-4);
  padding:3px 9px;border-radius:99px;
  background:var(--surface-3);
}

/* ---------- 预告 ---------- */
.upcoming{padding:14px 0 52px}
.upcoming-card{
  display:flex;align-items:center;gap:14px;
  padding:16px 18px;border-radius:var(--r-l);
  background:var(--surface);border:1px dashed var(--line-2);
}
.uc-left{display:flex;align-items:flex-start;gap:13px;flex:1;min-width:0}
.uc-icon{
  width:34px;height:34px;border-radius:11px;flex-shrink:0;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--violet-soft),var(--blue-soft));
  color:#7a68d4;font-size:15px;
}
.uc-left b{font-size:13px;font-weight:800;display:block}
.uc-left p{font-size:11.5px;color:var(--ink-3);line-height:1.55;margin-top:2px}

/* ============================================================
   AI 页
   ============================================================ */
.ai-hero{
  display:flex;align-items:center;gap:14px;
  padding:18px 20px;border-radius:var(--r-l);
  background:var(--surface);border:1.5px solid var(--line);
  box-shadow:var(--sh-1);
}
.ai-hero.on{border-color:var(--mint);background:linear-gradient(105deg,var(--mint-soft),var(--surface) 60%)}
.ah-icon{
  width:42px;height:42px;border-radius:14px;flex-shrink:0;
  display:grid;place-items:center;font-size:13px;
  background:var(--surface-3);color:var(--ink-4);
}
.ai-hero.on .ah-icon{background:var(--mint);color:#fff}
.ah-main{flex:1;min-width:0}
.ah-main b{font-size:15px;font-weight:800;display:block}
.ah-main p{font-size:12px;color:var(--ink-3);margin-top:3px;line-height:1.55}

.ai-features{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}
@media(max-width:560px){.ai-features{grid-template-columns:1fr}}
.ai-feature{
  padding:14px 16px;border-radius:var(--r-l);
  background:var(--surface);border:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.ai-feature.on{border-color:#bfe9e3;background:var(--mint-soft)}
.af-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:4px}
.af-head b{font-size:13px;font-weight:800}
.af-tag{
  font-size:10px;font-weight:800;padding:3px 8px;border-radius:99px;
  background:var(--surface-3);color:var(--ink-4);
}
.af-tag.on{background:var(--mint);color:#fff}
.ai-feature p{font-size:11.5px;color:var(--ink-3);line-height:1.55}

.ai-provider-list{display:grid;gap:8px}
.ai-provider{
  display:flex;align-items:center;gap:11px;
  padding:10px 12px;border-radius:13px;
  background:var(--surface-2);
}
.ap-avatar{
  width:32px;height:32px;border-radius:10px;flex-shrink:0;
  display:grid;place-items:center;color:#fff;font-size:12px;font-weight:800;
}
.ap-info{flex:1;min-width:0;line-height:1.3}
.ap-info b{font-size:12.5px;font-weight:700;display:block}
.ap-info span{font-size:11px;color:var(--ink-4)}

.ai-explain{display:grid;gap:7px;margin-top:6px}
.ai-explain li{font-size:11.5px;color:var(--ink-3);line-height:1.6;padding-left:12px;position:relative}
.ai-explain li::before{content:"";position:absolute;left:0;top:7px;width:4px;height:4px;border-radius:50%;background:var(--primary)}
.ai-explain b{color:var(--ink-2);font-weight:700}

/* ============================================================
   公告
   ============================================================ */
.notice-list{display:grid;gap:10px}
.notice-item{
  padding:16px 18px;border-radius:var(--r-l);
  background:var(--surface);border:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.ni-head{display:flex;align-items:center;gap:9px;margin-bottom:6px}
.ni-date{font-size:11px;font-family:var(--font-mono);color:var(--ink-4)}
.ni-tag{
  font-size:10px;font-weight:800;padding:2px 8px;border-radius:99px;
  background:var(--primary-soft);color:var(--primary-d);
}
.ni-title{font-size:14.5px;font-weight:800;margin-bottom:4px}
.ni-body{font-size:12.5px;color:var(--ink-3);line-height:1.7}

/* ============================================================
   游戏页内部导航
   ============================================================ */
.game-subnav{
  display:flex;gap:4px;margin-top:16px;padding:4px;
  background:var(--surface-3);border-radius:13px;
  width:fit-content;
}
.gsn-item{
  padding:7px 16px;border-radius:10px;
  font-size:12.5px;font-weight:700;color:var(--ink-3);
  transition:.16s;white-space:nowrap;
}
.gsn-item:hover{color:var(--ink-2)}
.gsn-item.on{background:var(--surface);color:var(--ink);box-shadow:var(--sh-1)}