:root{--bg:#faf6ef;--bg-card:#fff;--bg-soft:#f1ebe0;--text:#2a2521;--text-2:#6b625a;--text-3:#9a908a;--line:#e6dfd3;--brand:#e0562b;--brand-dark:#b8421e;--brand-soft:#fdeee8;--link:#1f5fa8;--radius:12px;--maxw:1080px;--font:-apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif}*{box-sizing:border-box}[hidden]{display:none!important}html{-webkit-text-size-adjust:100%}body{font-family:var(--font);color:var(--text);background:var(--bg);margin:0;font-size:16px;line-height:1.7}a{color:var(--link);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto}h1,h2,h3{margin:0;font-weight:700;line-height:1.3}p{margin:0 0 12px}.wrap{max-width:var(--maxw);margin:0 auto;padding:0 16px}.site-header{background:var(--bg-card);border-bottom:1px solid var(--line)}.site-header .wrap{align-items:center;gap:18px;height:56px;display:flex}.logo{align-items:center;display:inline-flex}.logo:hover{text-decoration:none}.logo-img{flex:none;width:140px;height:32px;display:block}.nav{gap:4px;margin-left:auto;display:flex;overflow-x:auto}.nav a{color:var(--text-2);white-space:nowrap;border-radius:8px;padding:6px 10px;font-size:15px}.nav a:hover{background:var(--bg-soft);text-decoration:none}.nav a.is-active{color:var(--brand-dark);background:var(--brand-soft)}main{padding:20px 0 40px}.site-footer{border-top:1px solid var(--line);color:var(--text-2);padding:24px 0 32px;font-size:14px}.site-footer .wrap{flex-wrap:wrap;align-items:center;gap:8px 20px;display:flex}.site-footer a{color:var(--text-2)}.site-footer .copy{width:100%;color:var(--text-3);font-size:13px}.crumbs{color:var(--text-3);margin-bottom:10px;font-size:13px}.crumbs a{color:var(--text-2)}.crumbs span{margin:0 6px}.page-head{margin-bottom:16px}.page-head h1{font-size:28px}.page-head .lead{color:var(--text-2);margin-top:6px}.game-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin:12px 0 24px;display:grid}.game-card{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);color:var(--text);padding:14px;transition:transform .12s,box-shadow .12s;display:block}.game-card:hover{text-decoration:none;transform:translateY(-2px);box-shadow:0 6px 18px #0000000f}.game-card .icon{color:#fff;background:var(--brand);border-radius:12px;place-items:center;width:56px;height:56px;margin-bottom:10px;font-size:26px;font-weight:800;display:grid}.game-card .icon[data-g=minesweeper]{background:#3b6ea5}.game-card .icon[data-g=gomoku]{background:#8a5a2b}.game-card .icon[data-g="2048"]{background:#e0562b}.game-card h3{font-size:17px}.game-card p{color:var(--text-2);margin:4px 0 0;font-size:13px}.game-card .tags{color:var(--text-3);margin-top:6px;font-size:12px}.section-title{align-items:baseline;gap:10px;margin:24px 0 8px;font-size:20px;display:flex}.section-title a{font-size:13px;font-weight:500}.prose{max-width:760px}.prose h2{border-top:1px solid var(--line);margin:32px 0 10px;padding-top:8px;font-size:22px}.prose h3{margin:20px 0 6px;font-size:17px}.prose p{margin:0 0 12px}.prose ul,.prose ol{margin:0 0 12px;padding-left:22px}.prose li{margin-bottom:6px}.prose strong{color:var(--text)}.prose code{background:var(--bg-soft);border-radius:4px;padding:1px 5px;font-size:14px}.game-head{flex-wrap:wrap;align-items:baseline;gap:6px 14px;margin-bottom:10px;display:flex}.game-head h1{font-size:26px}.game-head .controls{color:var(--text-2);font-size:14px}.game-stage{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:20px;padding:14px}.game-stage .loading{color:var(--text-3);text-align:center;padding:40px 0}.intro{color:var(--text-2);max-width:760px}.toc{flex-wrap:wrap;gap:6px;margin:10px 0 4px;font-size:14px;display:flex}.toc a{background:var(--bg-soft);color:var(--text-2);border-radius:999px;padding:3px 10px}.toc a:hover{background:var(--line);text-decoration:none}.updated{color:var(--text-3);margin-top:24px;font-size:13px}@media (max-width:720px){.site-header .wrap{gap:10px}.page-head h1,.game-head h1{font-size:22px}.game-stage{margin-left:-4px;margin-right:-4px;padding:10px}.game-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px}}.cat-links{flex-wrap:wrap;gap:8px;display:flex}.cat-links a{border:1px solid var(--line);background:var(--bg-card);color:var(--text);border-radius:999px;padding:8px 14px;font-size:15px}.cat-links a:hover{background:var(--bg-soft);text-decoration:none}