/* 在线游玩页：极简顶栏 + 全屏 iframe */
:root {
  --bg: #05070d;
  --ink: #e9f0fa;
  --muted: #9fb0c6;
  --line: rgba(140, 180, 230, 0.18);
  --cyan: #4ad9ff;
  --bar-h: 54px;
  --font: "Inter", "Segoe UI", system-ui, -apple-system, "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.playbar {
  height: var(--bar-h);
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 16px;
  border-bottom: 1px solid var(--line);
  background: rgba(6, 9, 15, 0.96);
  backdrop-filter: blur(12px);
  z-index: 10;
}
.p-back {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 13px;
  padding: 6px 4px;
  transition: color 0.2s;
  white-space: nowrap;
}
.p-back:hover { color: var(--cyan); }
.p-back .arrow { font-size: 15px; line-height: 1; }
.p-title {
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding-left: 16px;
  border-left: 1px solid var(--line);
  white-space: nowrap;
}
.p-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.p-btn {
  height: 32px;
  padding: 0 13px;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
  font-size: 12.5px;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.p-btn:hover { border-color: rgba(74, 217, 255, 0.55); color: var(--cyan); }
.p-btn-ghost { background: transparent; color: var(--muted); }
.lang-btn {
  height: 32px;
  padding: 0 11px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
  font-size: 12px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
}
.lang-btn:hover { border-color: var(--cyan); color: var(--cyan); }
.game-frame {
  flex: 1 1 auto;
  width: 100%;
  border: 0;
  display: block;
  background: #000;
}
@media (max-width: 640px) {
  :root { --bar-h: 48px; }
  .playbar { gap: 10px; padding: 0 10px; }
  .p-title { font-size: 12px; padding-left: 10px; }
  .p-btn-ghost { display: none; }
  .p-btn, .lang-btn { height: 30px; padding: 0 10px; font-size: 12px; }
}