:root{
  --bg:#0f1115; --panel:#171a21; --panel2:#1f232c; --line:#2a2f3a;
  --fg:#e6e8ee; --muted:#9aa3b2; --acc:#4f8cff; --acc2:#7c5cff;
  --ok:#3ecf8e; --warn:#ffb020; --radius:14px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:linear-gradient(180deg,#0f1115,#12151c 60%);
  color:var(--fg);line-height:1.6;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;min-height:100vh;
  display:flex;flex-direction:column;
}
a{color:var(--acc);text-decoration:none}
a:hover{opacity:.85}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px;width:100%}

/* header */
header.site{position:sticky;top:0;z-index:50;backdrop-filter:blur(10px);background:rgba(15,17,21,.82);border-bottom:1px solid var(--line)}
header.site .inner{display:flex;align-items:center;gap:18px;height:62px}
.logo{display:flex;align-items:center;gap:9px;font-weight:700;font-size:18px;color:var(--fg)}
.logo .dot{width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,var(--acc),var(--acc2));display:grid;place-items:center;font-size:15px}
nav.main{margin-left:auto;display:flex;gap:6px;flex-wrap:wrap}
nav.main a{padding:7px 13px;border-radius:9px;color:var(--muted);font-size:14px;font-weight:500}
nav.main a:hover,nav.main a.active{background:var(--panel2);color:var(--fg)}

/* hero */
.hero{padding:54px 0 30px;text-align:center}
.hero h1{font-size:40px;margin:0 0 12px;letter-spacing:-.5px;background:linear-gradient(135deg,#fff,#9db4ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--muted);font-size:16px;margin:0 auto;max-width:620px}
.hero .badges{margin-top:18px;display:flex;gap:9px;justify-content:center;flex-wrap:wrap}
.badge{font-size:12.5px;color:var(--muted);background:var(--panel);border:1px solid var(--line);padding:5px 12px;border-radius:99px}

/* section title */
.sec-title{display:flex;align-items:center;gap:10px;margin:34px 0 18px;font-size:19px;font-weight:700}
.sec-title:before{content:"";width:4px;height:19px;border-radius:2px;background:linear-gradient(180deg,var(--acc),var(--acc2))}

/* game grid */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:18px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.22s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(0,0,0,.45);border-color:#3b445aa6}
.card .thumb{height:128px;display:grid;place-items:center;font-size:52px;background:radial-gradient(circle at 50% 30%,#222a3a,#151922)}
.card .body{padding:13px 15px 16px;flex:1;display:flex;flex-direction:column}
.card h3{margin:0 0 6px;font-size:16px}
.card p{margin:0;color:var(--muted);font-size:13px;flex:1}
.card .tags{margin-top:10px;display:flex;gap:6px;flex-wrap:wrap}
.tag{font-size:11px;color:var(--muted);border:1px solid var(--line);border-radius:6px;padding:2px 8px}
.card .play{margin-top:12px;display:block;text-align:center;padding:9px;border-radius:9px;background:linear-gradient(135deg,var(--acc),var(--acc2));color:#fff;font-weight:600;font-size:14px}

/* footer */
footer.site{margin-top:56px;border-top:1px solid var(--line);padding:26px 0;color:var(--muted);font-size:13px}
footer.site .inner{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between}
footer.site a{color:var(--muted)}
.push{flex:1}

/* game page shell */
.game-shell{max-width:900px;margin:0 auto;padding:22px 20px 60px;width:100%}
.game-bar{display:flex;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.game-bar .back{background:var(--panel);border:1px solid var(--line);border-radius:9px;padding:7px 14px;color:var(--fg);font-size:14px}
.game-bar h2{margin:0;font-size:20px}
.game-frame{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;display:flex;flex-direction:column;align-items:center;gap:14px}
.btn{background:linear-gradient(135deg,var(--acc),var(--acc2));color:#fff;border:0;border-radius:9px;padding:9px 20px;font-size:14px;font-weight:600;cursor:pointer;font-family:inherit}
.btn:hover{opacity:.9}
.btn.ghost{background:var(--panel2);color:var(--fg);border:1px solid var(--line)}
.score{font-variant-numeric:tabular-nums;font-size:15px;color:var(--muted)}
.score b{color:var(--fg);font-size:18px}
canvas{background:#0b0d11;border-radius:10px;max-width:100%;touch-action:none;display:block}
.muted{color:var(--muted)}
.center{text-align:center}
.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap;justify-content:center}
.hint{font-size:12.5px;color:var(--muted);text-align:center}
@media(max-width:560px){.hero h1{font-size:30px}.hero{padding:38px 0 22px}}