:root {
  --navy-900: #0f172a;
  --navy-800: #1e293b;
  --navy-700: #334155;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --accent: #f97316;
  --accent-dark: #ea580c;
  --accent-light: #fed7aa;
  --teal: #06b6d4;
  --teal-dark: #0891b2;
  --green: #22c55e;
  --green-dark: #16a34a;
  --text: #1e293b;
  --text-secondary: #64748b;
  --text-light: #94a3b8;
  --bg: #f4f5f7;
  --card: #ffffff;
  --card-border: #e2e8f0;
  --shadow-xs: 0 1px 2px rgba(15,23,42,0.04);
  --shadow-sm: 0 1px 3px rgba(15,23,42,0.06);
  --shadow-md: 0 4px 12px rgba(15,23,42,0.07);
  --shadow-lg: 0 8px 24px rgba(15,23,42,0.09);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --header-h: 60px;
  --nav-h: 44px;
  --max-w: 1440px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",-apple-system,sans-serif;
  background:var(--bg);color:var(--text);line-height:1.6;
  min-height:100vh;display:flex;flex-direction:column;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-decoration:none;transition:color 0.2s}
a:hover{color:var(--accent-dark)}
ul,ol{list-style:none}

.container{max-width:var(--max-w);margin:0 auto;padding:0 24px;width:100%}

/* 锚点跳转偏移 */
[id]{scroll-margin-top:106px;}
#version-history{scroll-margin-top:106px;}

/* ── Header ── */
.site-header{
  background:var(--navy-900);
  position:sticky;top:0;z-index:100;
  box-shadow:0 2px 8px rgba(0,0,0,0.15);
}
.header-inner{
  max-width:var(--max-w);margin:0 auto;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;height:56px;
}
.site-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.site-logo img{height:40px;width:auto;}
.site-logo .logo-text{font-size:18px;font-weight:700;color:#fff;letter-spacing:1px;}

.header-search{
  display:flex;align-items:center;
  background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.15);
  border-radius:var(--radius-xl);overflow:hidden;transition:all 0.2s;
  max-width:320px;width:100%;
}
.header-search:focus-within{background:rgba(255,255,255,0.15);border-color:rgba(255,255,255,0.3);}
.header-search input{
  border:none;background:transparent;padding:7px 16px;font-size:14px;
  outline:none;width:100%;color:#fff;
}
.header-search input::placeholder{color:rgba(255,255,255,0.4)}
.header-search button{
  border:none;background:transparent;padding:7px 14px;
  cursor:pointer;color:rgba(255,255,255,0.5);font-size:16px;
  transition:color 0.2s;flex-shrink:0;
}
.header-search button:hover{color:#fff}

/* ── Nav ── */
.site-nav{background:var(--navy-800);border-top:1px solid rgba(255,255,255,0.06);}
.nav-inner{
  max-width:var(--max-w);margin:0 auto;padding:0 24px;
  display:flex;align-items:center;height:40px;gap:0;
  overflow-x:auto;overflow-y:hidden;
}
.nav-item{
  position:relative;height:100%;display:flex;align-items:center;
}
.nav-item>a{
  display:flex;align-items:center;gap:6px;
  padding:0 16px;height:100%;
  font-size:13px;font-weight:500;color:rgba(255,255,255,0.75);
  transition:color 0.2s,background 0.2s;white-space:nowrap;
  border-bottom:2px solid transparent;
}
.nav-item>a:hover{color:#fff;background:rgba(255,255,255,0.06);}
.nav-item>a.active{color:var(--accent);border-bottom-color:var(--accent);}
.nav-item>a.home-link{font-weight:600;color:#fff;}
.nav-item>a.home-link:hover{color:var(--accent);}

.nav-sep{
  width:1px;height:18px;background:rgba(255,255,255,0.12);
  margin:0 2px;flex-shrink:0;
}

/* Hamburger */
.nav-toggle{display:none;background:none;border:none;font-size:22px;cursor:pointer;color:#fff;padding:4px;}

/* ── Main ── */
.site-main{flex:1;padding:24px 0 40px;}

/* ── Page Header ── */
.page-header{
  padding:28px 0 20px;margin-bottom:24px;
}
.page-header h1{
  font-size:24px;font-weight:700;color:var(--navy-900);margin-bottom:6px;
  display:flex;align-items:center;gap:10px;
}
.page-header h1 img{width:32px;height:32px;border-radius:6px;}
.page-header p{font-size:14px;color:var(--text-secondary);}

/* ── Section Title ── */
.section-header{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:16px;padding-bottom:10px;
  border-bottom:1px solid var(--card-border);
}
.section-header h2{
  font-size:17px;font-weight:700;color:var(--navy-900);
  display:flex;align-items:center;gap:8px;
}
.section-header .more-link{font-size:13px;color:var(--text-secondary);}
.section-header .more-link:hover{color:var(--accent);}

/* ── Tags Cloud ── */
.tag-cloud{padding:12px 0 4px;}
.tag-cloud .tags-wrap{display:flex;flex-wrap:wrap;gap:8px;}
.tag-item{
  display:inline-flex;align-items:center;
  padding:4px 16px;border-radius:var(--radius-xl);
  font-size:13px;color:var(--accent-dark);background:var(--accent-light);
  transition:all 0.2s;cursor:pointer;text-decoration:none;
}
.tag-item:hover{background:var(--accent);color:#fff;}
.tag-item.hot{font-weight:600;}

/* ── Game Card ── */
.game-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px;}
.game-card{
  background:var(--card);border-radius:var(--radius-md);
  overflow:hidden;box-shadow:var(--shadow-xs);
  transition:transform 0.25s,box-shadow 0.25s;
  border:1px solid var(--card-border);text-decoration:none;color:inherit;
  display:flex;flex-direction:column;
}
.game-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.game-card .card-img{
  aspect-ratio:1;background:var(--slate-100);
  display:flex;align-items:center;justify-content:center;
  overflow:hidden;
}
.game-card .card-img img{width:100%;height:100%;object-fit:cover;}
.game-card .card-img .no-img{font-size:36px;opacity:0.3;user-select:none;}
.game-card .card-body{padding:10px 12px 12px;flex:1;display:flex;flex-direction:column;gap:4px;}
.game-card .card-body .card-title{
  font-size:13px;font-weight:600;color:var(--text);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.game-card .card-body .card-tags{display:flex;gap:3px;flex-wrap:wrap;}
.game-card .card-body .card-tags span{
  font-size:10px;color:var(--text-secondary);
  background:var(--slate-100);padding:1px 8px;border-radius:8px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:60px;
}
.game-card .card-body .card-meta{
  display:flex;align-items:center;justify-content:space-between;font-size:11px;margin-top:auto;
}
.game-card .card-body .card-meta .size{color:var(--text-light);}
.game-card .card-body .card-meta .dl-btn{
  background:var(--accent);color:#fff;padding:4px 18px;
  border-radius:10px;font-size:11px;font-weight:500;text-decoration:none;display:inline-block;
}

/* ── List Card (horizontal) ── */
.list-card{
  display:flex;align-items:center;gap:14px;
  background:var(--card);border-radius:var(--radius-md);padding:14px 16px;
  border:1px solid var(--card-border);box-shadow:var(--shadow-xs);
  transition:transform 0.2s,box-shadow 0.2s;text-decoration:none;color:inherit;
}
.list-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);}
.list-card .lc-img{width:64px;height:64px;border-radius:var(--radius-sm);overflow:hidden;flex-shrink:0;background:var(--slate-100);}
.list-card .lc-img img{width:100%;height:100%;object-fit:cover;}
.list-card .lc-body{flex:1;min-width:0;}
.list-card .lc-body .lc-title{font-size:15px;font-weight:600;color:var(--text);margin-bottom:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.list-card .lc-body .lc-tags{display:flex;gap:4px;flex-wrap:wrap;}
.list-card .lc-body .lc-tags span{font-size:11px;color:var(--text-secondary);background:var(--slate-100);padding:1px 8px;border-radius:8px;}
.list-card .lc-action{flex-shrink:0;}
.list-card .lc-action .dl-btn{
  background:var(--accent);color:#fff;padding:6px 20px;border-radius:var(--radius-xl);
  font-size:13px;font-weight:500;display:inline-block;
}
.list-card .lc-action .dl-btn:hover{background:var(--accent-dark);}

/* ── Article Card (news/knowledge list) ── */
.article-item{
  display:flex;align-items:flex-start;gap:14px;
  padding:16px 0;border-bottom:1px solid var(--card-border);
  text-decoration:none;color:inherit;transition:opacity 0.2s;
}
.article-item:hover{opacity:0.85;}
.article-item:last-child{border-bottom:none;}
.article-item .ai-img{width:140px;height:86px;border-radius:var(--radius-sm);overflow:hidden;flex-shrink:0;background:var(--slate-100);}
.article-item .ai-img img{width:100%;height:100%;object-fit:cover;}
.article-item .ai-body{flex:1;min-width:0;}
.article-item .ai-body .ai-title{font-size:16px;font-weight:600;color:var(--text);margin-bottom:6px;line-height:1.4;}
.article-item .ai-body .ai-summary{font-size:13px;color:var(--text-secondary);line-height:1.6;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.article-item .ai-body .ai-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--text-light);}
.article-item .ai-body .ai-meta .cat-badge{
  background:var(--accent-light);color:var(--accent-dark);padding:1px 10px;border-radius:8px;font-size:11px;
}

/* ── Buttons ── */
.btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 24px;border-radius:var(--radius-xl);font-size:14px;font-weight:500;
  border:none;cursor:pointer;transition:all 0.2s;text-decoration:none;font-family:inherit;
}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn-green{background:var(--green);color:#fff;}
.btn-green:hover{background:var(--green-dark);color:#fff;transform:translateY(-1px);}
.btn-outline{background:transparent;border:1px solid var(--card-border);color:var(--text-secondary);}
.btn-outline:hover{border-color:var(--accent);color:var(--accent);}
.btn-sm{padding:5px 16px;font-size:12px;}

/* ── Tabs ── */
.tab-bar{
  display:flex;gap:0;overflow-x:auto;overflow-y:hidden;
  margin-bottom:20px;box-shadow:inset 0 -1px 0 var(--card-border);
}
.tab-item{
  padding:10px 20px;font-size:14px;color:var(--text-secondary);
  cursor:pointer;white-space:nowrap;transition:all 0.2s;
  border-bottom:2px solid transparent;margin-bottom:-1px;
}
.tab-item:hover{color:var(--accent);}
.tab-item.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:600;}

/* ── Filter Bar ── */
.filter-bar{display:flex;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap;}
.filter-bar .filter-label{font-size:13px;color:var(--text-secondary);}
.filter-bar .filter-options{display:flex;gap:6px;flex-wrap:wrap;}
.filter-bar .filter-options .fo-item{
  padding:4px 14px;border-radius:var(--radius-xl);font-size:13px;
  background:var(--card);border:1px solid var(--card-border);color:var(--text-secondary);
  cursor:pointer;transition:all 0.2s;text-decoration:none;
}
.filter-bar .filter-options .fo-item:hover{border-color:var(--accent);color:var(--accent);}
.filter-bar .filter-options .fo-item.active{background:var(--accent);color:#fff;border-color:var(--accent);}

/* ── Pagination ── */
.pagination{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:32px;}
.pagination a,.pagination span{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:36px;height:36px;padding:0 10px;border-radius:var(--radius-sm);
  font-size:13px;transition:all 0.2s;text-decoration:none;
}
.pagination a{background:var(--card);border:1px solid var(--card-border);color:var(--text-secondary);}
.pagination a:hover{background:var(--slate-100);border-color:var(--accent);color:var(--accent);}
.pagination .current{background:var(--accent);color:#fff;border-color:var(--accent);}
.pagination .ellipsis{background:none;border:none;color:var(--text-light);}

/* ── Sidebar ── */
.sidebar-section{min-width:0;margin-bottom:24px;}
.sidebar-section .ss-title{
  font-size:15px;font-weight:600;color:var(--navy-900);
  padding-bottom:8px;margin-bottom:12px;
  border-bottom:1px solid var(--card-border);
  display:flex;align-items:center;gap:6px;
}
.sidebar-section .ss-list{display:flex;flex-direction:column;gap:2px;padding-top:6px;}
.sidebar-section .ss-list a{
  font-size:13px;color:var(--text-secondary);transition:all 0.18s;line-height:1.5;
  padding:4px 8px;border-radius:8px;margin:0 -8px;
}
.sidebar-section .ss-list a:hover{background:var(--slate-100);color:var(--accent-dark);}
.sidebar-section .ss-list .date{font-size:11px;color:var(--text-light);margin-left:auto;flex:0 0 auto;white-space:nowrap;}

/* ── Footer ── */
.site-footer{
  background:var(--navy-900);color:var(--slate-400);margin-top:48px;padding:44px 0 24px;
}
.footer-inner{max-width:var(--max-w);margin:0 auto;padding:0 24px;}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr 1fr;gap:32px;margin-bottom:32px;}
.footer-brand .fb-logo{display:flex;align-items:center;gap:8px;margin-bottom:10px;}
.footer-brand .fb-logo img{height:28px;}
.footer-brand p{font-size:13px;line-height:1.8;color:var(--slate-500);max-width:360px;}
.footer-col h4{font-size:13px;font-weight:600;color:#e2e8f0;margin-bottom:12px;text-transform:uppercase;letter-spacing:0.5px;}
.footer-col a{display:block;font-size:13px;color:var(--slate-400);padding:4px 0;transition:color 0.2s;}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.06);padding-top:20px;margin-top:16px;
  text-align:center;font-size:12px;color:var(--slate-500);line-height:1.8;
}
.footer-bottom a{color:inherit;}
.footer-bottom a:hover{color:inherit;text-decoration:underline;}
.footer-beians{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;}
.footer-beians img{height:16px;width:auto;vertical-align:middle;display:inline-block;margin-right:2px;position:relative;top:-1px;}

/* ── Runtime Page: Anchor Nav ── */
.runtime-anchor-nav{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px;padding:14px 18px;background:var(--card);border-radius:var(--radius-md);border:1px solid var(--card-border);box-shadow:var(--shadow-sm);}
.ran-btn{display:inline-block;padding:7px 18px;border-radius:var(--radius-xl);font-size:13px;font-weight:600;text-decoration:none;color:var(--text-secondary);background:var(--slate-100);transition:all 0.2s;line-height:1.5;}
.ran-btn:hover{background:var(--accent);color:#fff;transform:translateY(-1px);box-shadow:0 4px 12px rgba(249,115,22,0.3);}
.ran-primary{background:var(--accent);color:#fff;}
.ran-primary:hover{background:var(--accent-dark);}

/* ── Runtime Page: Download Section ── */
.dl-section-title{font-size:15px;font-weight:700;color:var(--text);margin:0 0 12px;padding:0;}
.dl-cat-badge{display:inline-block;padding:2px 8px;border-radius:6px;font-size:11px;font-weight:600;background:var(--slate-100);color:var(--accent-dark);white-space:nowrap;}

/* ── Runtime Page: Overview Content ── */
.runtime-content{font-size:14px;line-height:1.75;color:var(--text-secondary);}
.runtime-content h2{font-size:16px;font-weight:700;color:var(--text);margin:24px 0 10px;padding-bottom:6px;border-bottom:1px solid var(--card-border);}
.runtime-content h3{font-size:15px;font-weight:600;color:var(--text);margin:18px 0 8px;}
.runtime-content p{margin:0 0 10px;}
.runtime-content strong{color:var(--text);font-weight:600;}
.runtime-content ul,.runtime-content ol{margin:0 0 10px;padding-left:20px;}
.runtime-content li{margin-bottom:4px;}
.runtime-content a{color:var(--accent);}
.runtime-content a:hover{color:var(--accent-dark);}
.runtime-content img{max-width:100%;border-radius:var(--radius-sm);margin:8px 0;}

/* ── Breadcrumb ── */
.breadcrumb{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--text-light);margin-bottom:16px;flex-wrap:wrap;}
.breadcrumb a{color:var(--text-secondary);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{color:var(--text-light);}

/* ── Sticky Download Bar ── */
.download-bar{
  position:sticky;top:96px;z-index:90;
  background:var(--card);border-bottom:1px solid var(--card-border);
  padding:12px 0;box-shadow:var(--shadow-sm);
}
.download-bar .db-inner{
  max-width:var(--max-w);margin:0 auto;padding:0 24px;
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
}
.download-bar .db-icon{width:52px;height:52px;border-radius:var(--radius-sm);overflow:hidden;flex-shrink:0;background:var(--slate-100);}
.download-bar .db-icon img{width:100%;height:100%;object-fit:cover;}
.download-bar .db-info{flex:1;min-width:0;}
.download-bar .db-info .db-name{font-size:16px;font-weight:700;color:var(--navy-900);}
.download-bar .db-info .db-tags{display:flex;gap:4px;margin-top:2px;flex-wrap:wrap;}
.download-bar .db-info .db-tags span{font-size:10px;background:var(--slate-100);color:var(--text-secondary);padding:1px 8px;border-radius:8px;}
.download-bar .db-actions{display:flex;gap:6px;flex-wrap:wrap;}
.download-bar .db-actions .dla{
  display:inline-flex;align-items:center;gap:4px;
  padding:7px 16px;border-radius:var(--radius-xl);font-size:13px;font-weight:500;
  text-decoration:none;transition:all 0.2s;white-space:nowrap;
}
.download-bar .db-actions .dla.dl{background:var(--accent);color:#fff;}
.download-bar .db-actions .dla.dl:hover{background:var(--accent-dark);}
.download-bar .db-actions .dla.play{background:var(--green);color:#fff;}
.download-bar .db-actions .dla.play:hover{background:var(--green-dark);}

/* Game info bar */
.game-info-bar{padding:16px 20px;}
.game-info-bar .gi-grid{display:flex;flex-wrap:wrap;gap:0;}
.game-info-bar .gi-item{
  padding:8px 24px 8px 0;position:relative;
  display:flex;align-items:center;gap:8px;min-width:120px;
}
.game-info-bar .gi-item + .gi-item{padding-left:24px;}
.game-info-bar .gi-item + .gi-item::before{
  content:'';position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:1px;height:24px;background:var(--card-border);
}
.game-info-bar .gi-label{font-size:12px;color:var(--text-light);white-space:nowrap;}
.game-info-bar .gi-value{font-size:13px;color:var(--text);font-weight:500;white-space:nowrap;}

/* ── Game Detail ── */
.detail-section{background:var(--card);border-radius:var(--radius-md);border:1px solid var(--card-border);padding:24px;margin-bottom:16px;}
.detail-section h3{font-size:17px;font-weight:700;margin-bottom:14px;color:var(--navy-900);display:flex;align-items:center;gap:8px;}
.detail-section h2{font-size:17px;font-weight:700;margin:20px 0 10px;color:var(--navy-900);padding-bottom:6px;border-bottom:1px solid var(--card-border);}
.detail-section h3::before{content:'';display:inline-block;width:3px;height:18px;background:var(--accent);border-radius:2px;}
.detail-body{font-size:15px;line-height:1.9;color:var(--text);}
.detail-body p{margin-bottom:12px;}

/* Screenshot Gallery */
.ss-gallery{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;}
.ss-gallery img{width:200px;height:112px;object-fit:cover;border-radius:var(--radius-sm);cursor:pointer;flex-shrink:0;transition:opacity 0.2s;}
.ss-gallery img:hover{opacity:0.85;}

/* Events Timeline */
.timeline{position:relative;padding-left:20px;}
.timeline-item{position:relative;padding:10px 0 10px 18px;border-left:2px solid var(--card-border);font-size:13px;}
.timeline-item::before{content:'';position:absolute;left:-6px;top:16px;width:10px;height:10px;border-radius:50%;background:var(--text-secondary);}
.timeline-item .evt-badge{display:inline-block;padding:1px 8px;border-radius:4px;font-size:11px;color:#fff;margin-right:6px;}
.timeline-item .evt-time{float:right;color:var(--text-light);font-size:12px;}

/* Content Tabs */
.content-tabs{background:var(--card);border-radius:var(--radius-md);border:1px solid var(--card-border);overflow:hidden;}
.content-tabs .ct-header{display:flex;border-bottom:1px solid var(--card-border);overflow-x:auto;background:var(--slate-100);}
.content-tabs .ct-header .ct-tab{
  padding:12px 20px;font-size:14px;cursor:pointer;white-space:nowrap;
  color:var(--text-secondary);border-bottom:2px solid transparent;margin-bottom:-1px;
  transition:all 0.2s;
}
.content-tabs .ct-header .ct-tab:hover{color:var(--accent);}
.content-tabs .ct-header .ct-tab.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:600;background:var(--card);}
.content-tabs .ct-body{padding:16px 20px;}
.ct-body .ct-item{
  display:flex;justify-content:space-between;align-items:center;
  padding:12px 0;border-bottom:1px solid var(--card-border);
  font-size:14px;color:var(--text);text-decoration:none;transition:color 0.2s;
}
.ct-body .ct-item:hover{color:var(--accent);}
.ct-body .ct-item:last-child{border-bottom:none;}
.ct-body .ct-item .ct-date{color:var(--text-light);font-size:12px;}

/* ── Game Center ── */
.game-center-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:14px;}

/* ── Game Center Filters ── */
.gc-filters{background:var(--card);border-radius:var(--radius-md);border:1px solid var(--card-border);padding:16px 20px 4px;margin-bottom:24px;}
.gc-filters .tab-bar{margin-bottom:16px;}
.gc-filters .filter-bar{margin-bottom:16px;}
.gc-tag-scroll{max-height:108px;overflow-y:auto;padding-right:4px;flex:1;}
.gc-tag-scroll::-webkit-scrollbar{width:5px;}
.gc-tag-scroll::-webkit-scrollbar-track{background:transparent;}
.gc-tag-scroll::-webkit-scrollbar-thumb{background:var(--slate-300);border-radius:3px;}

/* ── News Grid (used on GameList pages) ── */
.news-grid-gl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;}
.news-grid-gl .news-item{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:var(--radius-sm);
  text-decoration:none;color:inherit;transition:background 0.2s;
}
.news-grid-gl .news-item:hover{background:var(--slate-100);}
.news-grid-gl .news-item .ni-img{width:72px;height:54px;flex-shrink:0;border-radius:6px;overflow:hidden;}
.news-grid-gl .news-item .ni-img img{width:100%;height:100%;object-fit:cover;display:block;}
.news-grid-gl .news-item .ni-body{flex:1;min-width:0;}
.news-grid-gl .news-item .ni-body .ni-title{
  font-size:14px;font-weight:500;color:var(--text);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  line-height:1.4;margin-bottom:4px;
}
.news-grid-gl .news-item .ni-body .ni-meta{
  display:flex;align-items:center;gap:8px;font-size:11px;color:var(--text-light);
}
.news-grid-gl .news-item .ni-body .ni-meta .cat-badge{
  background:var(--accent-light);color:var(--accent-dark);
  padding:0 8px;border-radius:6px;font-size:10px;
}

/* ── Runtime Section ── */
.runtime-section{margin-bottom:32px;}
.runtime-section .section-header{margin-bottom:16px;}
.runtime-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;}
.runtime-card{
  display:flex;align-items:center;gap:10px;
  background:var(--card);border-radius:var(--radius-md);padding:16px;
  border:1px solid var(--card-border);box-shadow:var(--shadow-xs);
  transition:transform 0.2s,box-shadow 0.2s;text-decoration:none;color:inherit;
}
.runtime-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.runtime-card .rt-icon{
  width:44px;height:44px;border-radius:var(--radius-sm);
  background:var(--slate-100);display:flex;align-items:center;justify-content:center;
  flex-shrink:0;overflow:hidden;
}
.runtime-card .rt-icon img{width:100%;height:100%;object-fit:cover;}
.runtime-card .rt-icon .rt-icon-default{font-size:22px;opacity:0.5;}
.runtime-card .rt-body{flex:1;min-width:0;}
.runtime-card .rt-body .rt-name{font-size:13px;font-weight:600;color:var(--text);line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.runtime-card .rt-body .rt-company{font-size:11px;color:var(--text-light);margin-top:3px;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* ── News / Knowledge Detail ── */
.article-detail{background:var(--card);border-radius:var(--radius-md);border:1px solid var(--card-border);padding:32px;margin-bottom:16px;}
.article-detail .ad-header{margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid var(--card-border);}
.article-detail .ad-header h1{font-size:24px;font-weight:700;color:var(--navy-900);margin-bottom:10px;line-height:1.4;}
.article-detail .ad-header .ad-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-light);flex-wrap:wrap;}
.article-detail .ad-header .ad-meta .cat-badge{
  background:var(--accent-light);color:var(--accent-dark);padding:2px 12px;border-radius:8px;font-size:12px;
}
.article-detail .ad-body{font-size:15px;line-height:1.9;color:var(--text);}
.article-detail .ad-body p{margin-bottom:14px;}
.article-detail .ad-body img{max-width:100%;border-radius:var(--radius-sm);margin:10px 0;}
.article-detail .ad-body h2{font-size:18px;font-weight:700;margin:24px 0 10px;padding-bottom:6px;border-bottom:1px solid var(--card-border);}
.article-detail .ad-body h3{font-size:16px;font-weight:600;margin:20px 0 8px;}
.article-detail .ad-body ul,.article-detail .ad-body ol{padding-left:20px;margin:12px 0;}
.article-detail .ad-body li{margin-bottom:6px;}
.article-detail .ad-body pre{background:var(--slate-100);padding:14px;border-radius:var(--radius-sm);overflow-x:auto;margin:12px 0;font-size:13px;}
.article-detail .ad-body code{background:var(--slate-100);padding:2px 6px;border-radius:4px;font-size:13px;}

/* ── Software Detail Footer Content ── */
.ad-footer-content{margin-top:24px;padding-top:20px;border-top:1px solid var(--card-border);}
.ad-footer-content .afc-inner{max-height:200px;overflow:hidden;transition:max-height 0.3s ease;font-size:14px;line-height:1.7;color:var(--text-secondary);}
.ad-footer-content .afc-inner.expanded{max-height:none;}
.ad-footer-content .afc-inner h4{font-size:15px;font-weight:600;color:var(--text);margin:0 0 8px;}
.ad-footer-content .afc-inner p{margin:0 0 10px;font-size:13px;color:var(--text-light);}
.ad-footer-content .afc-inner ul{padding-left:18px;margin:0;}
.ad-footer-content .afc-inner li{margin-bottom:6px;font-size:13px;}
.ad-footer-content .afc-inner a{color:var(--peach-600);text-decoration:none;}
.ad-footer-content .afc-inner a:hover{text-decoration:underline;}
.ad-footer-content .afc-expand{text-align:center;padding:6px 0 0;font-size:13px;color:var(--peach-600);cursor:pointer;user-select:none;}
.ad-footer-content .afc-expand:hover{color:var(--peach-700);}

/* ── Two Column Layout ── */
.two-col{display:grid;grid-template-columns:1fr 320px;gap:28px;}
.two-col .tc-main{min-width:0;}
.two-col .tc-side{min-width:0;}

/* ── Related Game Strip ── */
.rel-games{display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;}
.rel-games .rg-item{
  flex-shrink:0;width:100px;text-align:center;text-decoration:none;color:inherit;
  transition:transform 0.2s;
}
.rel-games .rg-item:hover{transform:translateY(-3px);}
.rel-games .rg-item img{width:80px;height:80px;border-radius:var(--radius-sm);margin:0 auto 6px;object-fit:cover;background:var(--slate-100);}
.rel-games .rg-item span{font-size:12px;color:var(--text-secondary);display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ── Homepage specific ── */
.home-tags{background:var(--card);border-radius:var(--radius-md);border:1px solid var(--card-border);padding:20px 24px;margin-bottom:24px;}
.home-cats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:24px;}
.home-cats .hc-card{background:var(--card);border-radius:var(--radius-md);border:1px solid var(--card-border);padding:20px;box-shadow:var(--shadow-xs);}
.home-cats .hc-card:hover{box-shadow:var(--shadow-md);}

/* Ranking list */
.rank-list{display:flex;flex-direction:column;}
.rank-item{
  display:flex;align-items:center;gap:12px;
  padding:10px 0;border-bottom:1px solid var(--card-border);
  text-decoration:none;color:inherit;transition:background 0.15s;
}
.rank-item:last-child{border-bottom:none;}
.rank-item .rank-num{
  width:24px;height:24px;border-radius:4px;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;flex-shrink:0;
  background:var(--slate-200);color:var(--text-secondary);
}
.rank-item:nth-child(1) .rank-num{background:var(--accent);color:#fff;}
.rank-item:nth-child(2) .rank-num{background:var(--accent);color:#fff;opacity:0.8;}
.rank-item:nth-child(3) .rank-num{background:var(--accent);color:#fff;opacity:0.6;}
.rank-item .rank-img{width:44px;height:44px;border-radius:6px;overflow:hidden;flex-shrink:0;background:var(--slate-100);}
.rank-item .rank-img img{width:100%;height:100%;object-fit:cover;}
.rank-item .rank-body{flex:1;min-width:0;}
.rank-item .rank-body .rank-name{font-size:13px;font-weight:600;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.rank-item .rank-body .rank-meta{font-size:11px;color:var(--text-light);}
.rank-item .rank-action{flex-shrink:0;}
.rank-item .rank-action .rank-dl{
  padding:3px 14px;border-radius:10px;font-size:11px;
  background:var(--accent);color:#fff;font-weight:500;
}

/* Quick links / icon grid */
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:24px;}
.quick-grid .qg-item{
  display:flex;flex-direction:column;align-items:center;gap:6px;
  padding:16px 8px;background:var(--card);border-radius:var(--radius-md);
  border:1px solid var(--card-border);text-decoration:none;color:inherit;
  transition:all 0.2s;font-size:13px;box-shadow:var(--shadow-xs);
}
.quick-grid .qg-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--accent);}
.quick-grid .qg-item .qg-icon{font-size:28px;line-height:1;}
.quick-grid .qg-item .qg-label{color:var(--text-secondary);font-weight:500;}

/* Home mid section */
.home-mid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-bottom:24px;}

/* Featured carousel */
.featured-carousel{
  position:relative;overflow:hidden;border-radius:var(--radius-md);
  background:var(--navy-800);min-height:200px;
}
.featured-carousel .fc-track{display:flex;transition:transform 0.5s ease;height:100%;}
.featured-carousel .fc-track .fc-slide{flex:0 0 100%;min-height:200px;position:relative;}
.featured-carousel .fc-track .fc-slide a{display:block;height:100%;}
.featured-carousel .fc-track .fc-slide img{width:100%;height:100%;object-fit:cover;}
.featured-carousel .fc-dots{
  position:absolute;bottom:10px;left:50%;transform:translateX(-50%);
  display:flex;gap:6px;
}
.featured-carousel .fc-dots span{
  width:8px;height:8px;border-radius:50%;cursor:pointer;
  background:rgba(255,255,255,0.4);transition:all 0.3s;
}
.featured-carousel .fc-dots span.active{background:#fff;width:24px;border-radius:4px;}

/* ── Software section ── */
.software-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;}
.software-card{
  display:flex;align-items:center;gap:12px;
  background:var(--card);border-radius:var(--radius-md);padding:14px;
  border:1px solid var(--card-border);text-decoration:none;color:inherit;
  transition:transform 0.2s,box-shadow 0.2s;box-shadow:var(--shadow-xs);
}
.software-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);}
.software-card .sc-icon{width:48px;height:48px;border-radius:var(--radius-sm);overflow:hidden;flex-shrink:0;background:var(--slate-100);display:flex;align-items:center;justify-content:center;font-size:24px;}
.software-card .sc-body{flex:1;min-width:0;}
.software-card .sc-body .sc-name{font-size:14px;font-weight:600;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.software-card .sc-body .sc-meta{font-size:11px;color:var(--text-light);margin-top:2px;}
.software-card .sc-dl{padding:4px 14px;border-radius:10px;font-size:11px;background:var(--accent);color:#fff;font-weight:500;flex-shrink:0;}

/* Home knowledge section */
.home-know{background:var(--card);border-radius:var(--radius-md);border:1px solid var(--card-border);padding:20px 24px;margin-bottom:24px;}
.home-know .hk-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;}
.home-know .hk-list a{
  display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-secondary);
  padding:8px 12px;border-radius:var(--radius-sm);transition:all 0.2s;
}
.home-know .hk-list a:hover{background:var(--slate-100);color:var(--accent);}
.home-know .hk-list a .hk-cat{font-size:11px;color:var(--accent-dark);background:var(--accent-light);padding:1px 8px;border-radius:6px;white-space:nowrap;}

/* ── Download Table (runtime detail pages) ── */
.dl-table{width:100%;border-collapse:collapse;font-size:14px;}
.dl-table thead{background:var(--slate-100);}
.dl-table th{padding:10px 14px;text-align:left;font-weight:600;color:var(--text-secondary);font-size:13px;border-bottom:2px solid var(--card-border);}
.dl-table td{padding:12px 14px;border-bottom:1px solid var(--card-border);color:var(--text);font-size:13px;}
.dl-table tbody tr{transition:background 0.15s;}
.dl-table tbody tr:hover{background:var(--slate-100);}
.dl-table tbody tr:last-child td{border-bottom:none;}

/* ── Overlay for screenshots ── */
.overlay{
  position:fixed;top:0;left:0;width:100%;height:100%;
  background:rgba(0,0,0,0.9);z-index:9999;
  display:flex;align-items:center;justify-content:center;cursor:pointer;
}
.overlay img{max-width:95%;max-height:95%;object-fit:contain;}

/* ── Section wrapper ── */
.section-card{background:var(--card);border-radius:var(--radius-md);border:1px solid var(--card-border);padding:20px 24px;margin-bottom:24px;}

/* ── Responsive ── */
@media(max-width:1280px){
  .container{padding:0 20px;}
  .header-inner{padding:0 20px;}
  .footer-inner{padding:0 20px;}
  .nav-inner{padding:0 20px;}
}
@media(max-width:1024px){
  .home-cats{grid-template-columns:1fr;}
  .home-mid{grid-template-columns:1fr;}
  .quick-grid{grid-template-columns:repeat(4,1fr);}
  .two-col{grid-template-columns:1fr;}
  /* sidebar collapses to a full-width row below the main column —
     lay its sections out in a 2-col grid so the lists don't stretch
     edge-to-edge and look empty */
  .two-col .tc-side{display:flex;flex-direction:column;gap:0;}
  .two-col .tc-side .sidebar-section{width:100%;}
  .two-col .tc-side > .sidebar-section:only-child{grid-column:initial;}
  /* 分类/导航类列表(无 .side-link 的纯短链接)横向排成 chips,
     不再独占一列与信息列表争宽 */
  .two-col .tc-side .sidebar-section:not(:has(.side-link)) .ss-list{
    flex-direction:row;flex-wrap:wrap;gap:8px;
  }
  .two-col .tc-side .sidebar-section:not(:has(.side-link)) .ss-list a{
    padding:4px 12px;margin:0;border-radius:14px;
    background:var(--slate-100);color:var(--accent-dark);font-weight:500;
  }
  .two-col .tc-side .sidebar-section:not(:has(.side-link)) .ss-list a:hover{
    background:var(--accent);color:#fff;
  }
  /* article detail: bare tables from rich text must not stretch the page */
  .ad-body table{max-width:100%;display:block;overflow-x:auto;white-space:nowrap;}
  .ad-body table td,.ad-body table th{white-space:nowrap;}
  /* footer: drop from 6-inline to brand full-width + 5 categories in 3+2,
     last category spans the remaining columns so no empty corner */
  .footer-top{grid-template-columns:1fr 1fr 1fr;gap:28px;}
  .footer-brand{grid-column:1/-1;}
  .footer-top > :last-child{grid-column:span 2;}
}
@media(max-width:768px){
  :root{--header-h:52px;}
  .header-inner{height:48px;}
  .header-search{max-width:180px;}
  .header-search input{padding:6px 10px;font-size:13px;}

  .site-nav{overflow:hidden;max-height:0;transition:max-height 0.35s ease;}
  .site-nav.open{max-height:800px;}
  .nav-inner{flex-direction:column;height:auto;padding:6px 20px 14px;}
  .nav-item{width:100%;height:auto;flex-direction:column;align-items:stretch;}
  .nav-item>a{padding:9px 0;height:auto;border-bottom:none;}
  .nav-toggle{display:block;}
  .nav-sep{display:none;}

  .container{padding:0 14px;}
  .page-header{padding:20px 0 14px;}
  .page-header h1{font-size:20px;}

  .game-grid{grid-template-columns:repeat(3,1fr);gap:10px;}
  .game-card .card-body{padding:8px 10px;}
  .game-card .card-body .card-title{font-size:12px;}

  .article-item{padding:14px 0;}
  .article-item .ai-img{width:120px;height:75px;}

  .detail-section{padding:16px;}
  .article-detail{padding:20px;}
  .article-detail .ad-header h1{font-size:20px;}

  .download-bar{top:48px;}
  .download-bar .db-inner{gap:10px;}
  .download-bar .db-icon{width:42px;height:42px;}
  .download-bar .db-inner{padding:0 14px;}

  .pagination{gap:4px;}
  .pagination a,.pagination span{min-width:32px;height:32px;font-size:12px;}

  .filter-bar .filter-options .fo-item{font-size:12px;padding:3px 10px;}

  .game-center-grid{grid-template-columns:repeat(4,1fr);gap:10px;}
  .runtime-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid-gl{grid-template-columns:minmax(0,1fr);}
  .quick-grid{grid-template-columns:repeat(2,1fr);}

  .tab-item{padding:8px 14px;font-size:13px;}
  .software-grid{grid-template-columns:repeat(2,1fr);}

  .hc-card .game-grid{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:480px){
  .game-grid{grid-template-columns:repeat(2,1fr);}
  .header-search{max-width:140px;}
  .page-header h1{font-size:18px;}
  .runtime-grid{grid-template-columns:1fr 1fr;}
  .quick-grid{grid-template-columns:repeat(2,1fr);}
  .software-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr 1fr;gap:20px;}
  .footer-brand{grid-column:1/-1;}
  .footer-bottom{flex-direction:column;gap:8px;text-align:center;}
}

/* ═══════════════════════════════════════════
   Utilities — replace inline styles
   ═══════════════════════════════════════════ */

/* Display */
.d-none{display:none!important}
.d-block{display:block!important}
.d-flex{display:flex!important}
.flex-center{display:flex!important;align-items:center}
.flex-wrap{flex-wrap:wrap!important}
.flex-1{flex:1!important}
.gap-6{gap:6px!important}
.gap-8{gap:8px!important}
.gap-10{gap:10px!important}
.gap-14{gap:14px!important}

/* Float */
.pull-right{float:right!important}

/* Text */
.text-ellipsis{overflow:hidden!important;text-overflow:ellipsis!important;white-space:nowrap!important}
.text-nowrap{white-space:nowrap!important}
.text-center{text-align:center!important}
.text-muted{color:var(--text-secondary)!important;font-size:12px!important}
.text-muted-sm{color:var(--text-light)!important;font-size:11px!important}
.text-success{color:var(--green)!important}
.text-danger{color:#FF5722!important}
.text-info{color:#1E9FFF!important}
.text-warning{color:#FFB800!important}
.text-accent{color:var(--accent)!important}

/* Margins */
.m-0{margin:0!important}
.mt-6{margin-top:6px!important}
.mt-10{margin-top:10px!important}
.mt-15{margin-top:15px!important}
.mt-20{margin-top:20px!important}
.mt-32{margin-top:32px!important}
.mb-6{margin-bottom:6px!important}
.mb-8{margin-bottom:8px!important}
.mb-10{margin-bottom:10px!important}
.mb-12{margin-bottom:12px!important}
.mb-14{margin-bottom:14px!important}
.mb-15{margin-bottom:15px!important}
.mb-16{margin-bottom:16px!important}
.mb-20{margin-bottom:20px!important}
.mb-24{margin-bottom:24px!important}
.mb-28{margin-bottom:28px!important}
.my-10{margin:10px 0!important}

/* Padding */
.p-12{padding:12px!important}
.p-15{padding:15px!important}
.p-20{padding:20px!important}
.p-24{padding:24px!important}

/* Width/Height */
.w-60{width:60px!important}
.w-80{width:80px!important}
.w-100{width:100px!important}
.w-120{width:120px!important}
.w-140{width:140px!important}
.w-full{width:100%!important}
.h-60{height:60px!important}

/* Borders */
.border-bottom{border-bottom:1px solid var(--card-border)!important}

/* Empty state / center placeholder */
.empty-state{text-align:center;padding:40px;color:var(--text-light);font-size:14px}

/* Word break */
.word-break{word-break:break-all}

/* Radius helper */
.radius-sm{border-radius:var(--radius-sm)}

/* Summary box for article detail (news) */
.ad-summary{background:var(--slate-100);border-radius:var(--radius-sm);padding:14px 18px;margin-bottom:20px;font-size:14px;color:var(--text-secondary);line-height:1.7;border-left:3px solid var(--accent)}

/* Table utilities — for version tables, data tables */
.version-table{width:100%;border-collapse:collapse;font-size:13px}
.version-table th,.version-table td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--card-border)}
.version-table th{border-bottom:2px solid var(--card-border);font-weight:600}
.version-table td{color:var(--text-secondary)}
.version-table td:first-child{font-weight:600}
.table-mono{font-family:Consolas,monospace;font-size:11px}

/* Sidebar link pattern */
.side-link{display:flex;gap:6px}
.side-link span{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* Admin-specific helpers (no SEO impact) */
.admin-pad{padding:20px}
.admin-card{background:#fff;border-radius:4px;border:1px solid #e6e6e6;padding:15px;margin-bottom:15px}
.admin-stat{display:flex;gap:6px;align-items:center}
.admin-flex{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.admin-meta{font-size:12px;color:#999;margin-top:2px}
.admin-pull-right{float:right}
.admin-empty{text-align:center;padding:40px;color:#999}