:root{--bg:#06060d;--fg:#f2f3ff;--fg2:rgba(242,243,255,.72);--fg3:rgba(242,243,255,.5);--cyan:#00e8f0;--mag:#ff2bd6;--vio:#8b5cff;--lime:#b6ff3c;--glass:linear-gradient(160deg,rgba(255,255,255,.14),rgba(255,255,255,.04));--line:rgba(255,255,255,.16);--safe-t:env(safe-area-inset-top,0px);--safe-b:env(safe-area-inset-bottom,0px)}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:var(--bg);color:var(--fg);font:15px/1.5 -apple-system,"SF Pro Text","PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;-webkit-font-smoothing:antialiased}
body{background:radial-gradient(80% 60% at 10% 0%,rgba(0,232,240,.14),transparent 60%),radial-gradient(70% 60% at 100% 10%,rgba(255,43,214,.14),transparent 60%),radial-gradient(60% 50% at 50% 100%,rgba(139,92,255,.16),transparent 60%),var(--bg);background-attachment:fixed}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;-webkit-tap-highlight-color:transparent}
.glass{background:var(--glass);border:1px solid var(--line);box-shadow:inset 0 1px 0 rgba(255,255,255,.22),0 18px 50px -18px rgba(0,0,0,.7);-webkit-backdrop-filter:blur(24px) saturate(170%);backdrop-filter:blur(24px) saturate(170%)}
/* 顶栏 */
.top{position:fixed;z-index:30;left:50%;transform:translateX(-50%);top:calc(var(--safe-t) + 12px);width:min(980px,calc(100% - 24px));height:56px;border-radius:999px;display:flex;align-items:center;gap:8px;padding:0 10px 0 14px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.04em}
.brand i{width:30px;height:30px;border-radius:50%;background:conic-gradient(from 0deg,var(--cyan),var(--mag),var(--vio),var(--cyan));box-shadow:0 0 18px -2px var(--mag);display:grid;place-items:center;animation:spin 6s linear infinite}
.brand i::after{content:"";width:10px;height:10px;border-radius:50%;background:#07070f;box-shadow:0 0 0 3px rgba(255,255,255,.2)}
@keyframes spin{to{transform:rotate(360deg)}}
.sp{flex:1}
.pill{height:36px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.06);display:inline-flex;align-items:center;gap:6px;font-size:13.5px;transition:background .2s}
.pill:hover,.pill.on{background:rgba(255,255,255,.18)}
.ib{width:38px;height:38px;border-radius:50%;border:0;background:transparent;display:grid;place-items:center;transition:background .2s}
.ib:hover{background:rgba(255,255,255,.12)}.ib svg{width:20px;height:20px}
.menu{position:fixed;z-index:40;min-width:180px;border-radius:20px;padding:6px;display:flex;flex-direction:column;gap:2px;animation:pop .22s cubic-bezier(.34,1.4,.64,1)}
.menu[hidden]{display:none}
.menu button{border:0;background:transparent;text-align:left;padding:9px 14px;border-radius:14px;font-size:14px}
.menu button:hover,.menu button.on{background:rgba(255,255,255,.14)}
@keyframes pop{from{opacity:0;transform:translateY(-6px) scale(.97)}to{opacity:1;transform:none}}
/* 大厅 */
main{width:min(980px,calc(100% - 24px));margin:0 auto;padding:calc(var(--safe-t) + 96px) 0 60px}
.hero{border-radius:32px;padding:30px 30px 26px;position:relative;overflow:hidden}
.hero h1{margin:0;font-size:clamp(28px,6vw,44px);letter-spacing:.02em}
.hero p{margin:6px 0 0;color:var(--fg2)}
.hero canvas{position:absolute;right:0;bottom:0;width:60%;height:100%;opacity:.9;pointer-events:none;-webkit-mask-image:linear-gradient(90deg,transparent,#000 40%);mask-image:linear-gradient(90deg,transparent,#000 40%)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;margin-top:20px}
.card{border-radius:26px;padding:10px;display:flex;flex-direction:column;gap:10px;transition:transform .35s cubic-bezier(.34,1.4,.64,1),box-shadow .3s}
.card:hover{transform:translateY(-4px)}
.card canvas{width:100%;aspect-ratio:4/3;border-radius:18px;display:block;background:#07070f}
.card b{font-size:17px;padding:0 6px}.card small{color:var(--fg2);padding:0 6px;display:block;min-height:42px}
.card .meta{display:flex;align-items:center;justify-content:space-between;padding:0 6px 4px;font-size:12.5px;color:var(--fg3)}
.card .go{height:30px;padding:0 14px;border-radius:999px;background:linear-gradient(90deg,var(--cyan),var(--mag));color:#fff;font-weight:600;display:inline-flex;align-items:center}
.card[hidden]{display:none}
.foot{text-align:center;color:var(--fg3);font-size:12.5px;margin-top:30px}
/* 游戏页 */
body.game{overflow:hidden;position:fixed;inset:0;touch-action:none;user-select:none;-webkit-user-select:none}
#cv{position:fixed;inset:0;width:100%;height:100%;display:block}
.hud{position:fixed;z-index:20;left:50%;transform:translateX(-50%);top:calc(var(--safe-t) + 10px);width:min(720px,calc(100% - 20px));height:52px;border-radius:999px;display:flex;align-items:center;gap:4px;padding:0 6px}
.hud .t{font-weight:650;font-size:14.5px;padding:0 6px;white-space:nowrap}
.hud .stat{display:flex;flex-direction:column;align-items:center;line-height:1.1;padding:0 8px;min-width:56px}
.hud .stat small{font-size:10.5px;color:var(--fg3)}.hud .stat b{font-size:16px;font-variant-numeric:tabular-nums}
.ov{position:fixed;z-index:25;inset:0;display:grid;place-items:center;background:rgba(4,4,10,.38);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.ov[hidden]{display:none}
.panel{width:min(360px,calc(100% - 40px));border-radius:30px;padding:24px 22px;text-align:center;animation:pop .3s cubic-bezier(.34,1.4,.64,1)}
.panel h2{margin:0 0 4px;font-size:24px}.panel p{margin:0 0 16px;color:var(--fg2);font-size:14px}
.panel .btns{display:flex;flex-direction:column;gap:8px}
.big{height:46px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.08);font-weight:600;font-size:15px}
.big.pri{border:0;background:linear-gradient(90deg,var(--cyan),var(--mag));color:#fff;box-shadow:0 10px 30px -10px var(--mag)}
.big:hover{filter:brightness(1.1)}
.keys{margin-top:12px;font-size:12px;color:var(--fg3)}
.toast{position:fixed;z-index:30;left:50%;top:calc(var(--safe-t) + 72px);transform:translateX(-50%);padding:6px 14px;border-radius:999px;font-size:13px;pointer-events:none;opacity:0;transition:opacity .25s}
.toast.show{opacity:1}
@media (max-width:560px){.hud .t{display:none}.hud .stat{min-width:48px;padding:0 4px}.hero{padding:22px 20px}.hero canvas{width:100%;opacity:.35}}
@media (prefers-reduced-motion:reduce){.brand i{animation:none}.menu,.panel{animation:none}}