/* ==========================================================================
   ak888.chat · 前台样式
   设计基调：白色为主 + 渐变点缀（靛蓝 → 紫 → 粉），大圆角、柔和阴影、卡片化
   ========================================================================== */

:root{
  --ink:#0f172a;
  --ink2:#334155;
  --mut:#64748b;
  --mut2:#94a3b8;
  --line:#e8ecf3;
  --line2:#f1f5f9;
  --bg:#ffffff;
  --bg-soft:#f7f9fc;
  --acc:#6366f1;
  --acc2:#a855f7;
  --acc3:#ec4899;
  --grad:linear-gradient(135deg,#6366f1 0%,#a855f7 55%,#ec4899 100%);
  --grad-soft:linear-gradient(135deg,rgba(99,102,241,.10),rgba(168,85,247,.10) 55%,rgba(236,72,153,.10));
  --sh-sm:0 1px 2px rgba(15,23,42,.04),0 2px 8px rgba(15,23,42,.04);
  --sh-md:0 4px 12px rgba(15,23,42,.06),0 12px 32px rgba(99,102,241,.08);
  --sh-lg:0 8px 24px rgba(15,23,42,.08),0 24px 56px rgba(99,102,241,.12);
  --r:16px;
  --r-sm:10px;
  --r-lg:22px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font:15px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:-.01em}
p{margin:0}
.ico{width:1em;height:1em;flex:none}

.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}

/* ------------------------------- 顶栏 ------------------------------- */
.hdr{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.82);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.hdr-in{display:flex;align-items:center;gap:22px;height:66px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:var(--grad);color:#fff;box-shadow:0 4px 14px rgba(99,102,241,.35);
}
.brand-mark .ico{width:20px;height:20px}
.brand-txt{display:flex;flex-direction:column;line-height:1.15}
.brand-txt b{font-size:16px;letter-spacing:-.02em}
.brand-txt i{font-style:normal;font-size:11px;color:var(--mut2);letter-spacing:.02em}
.nav{display:flex;align-items:center;gap:4px;flex:1;min-width:0;overflow:hidden}
.navlink{
  padding:8px 13px;border-radius:9px;font-size:14px;color:var(--ink2);
  white-space:nowrap;transition:.18s;
}
.navlink:hover{background:var(--line2);color:var(--ink)}
.navlink.is-on{background:var(--grad-soft);color:var(--acc);font-weight:600}
.hdr-search{
  display:flex;align-items:center;gap:6px;flex:none;
  background:var(--bg-soft);border:1px solid var(--line);border-radius:999px;
  padding:4px 6px 4px 15px;transition:.2s;
}
.hdr-search:focus-within{border-color:#c7d2fe;box-shadow:0 0 0 4px rgba(99,102,241,.10);background:#fff}
.hdr-search input{width:170px;border:0;background:none;outline:none;font-size:13.5px;padding:5px 0}
.hdr-search button{
  width:30px;height:30px;border:0;border-radius:50%;cursor:pointer;
  background:var(--grad);color:#fff;display:grid;place-items:center;transition:.2s;
}
.hdr-search button:hover{transform:scale(1.06)}
.burger{display:none;width:38px;height:38px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;place-items:center}

/* ------------------------------- 主区 ------------------------------- */
.main{min-height:60vh}

/* Hero */
.hero{
  position:relative;overflow:hidden;padding:66px 0 58px;
  background:
    radial-gradient(900px 380px at 12% -10%,rgba(99,102,241,.14),transparent 62%),
    radial-gradient(760px 340px at 88% 4%,rgba(236,72,153,.12),transparent 60%),
    radial-gradient(600px 300px at 60% 100%,rgba(168,85,247,.10),transparent 65%),
    linear-gradient(180deg,#fff, #fbfcff 60%, #fff);
  border-bottom:1px solid var(--line);
}
.hero-glow{
  position:absolute;inset:auto -10% -60% -10%;height:280px;
  background:radial-gradient(closest-side,rgba(168,85,247,.10),transparent);
  filter:blur(20px);pointer-events:none;
}
.hero-in{position:relative;text-align:center}
.hero h1{
  font-size:clamp(30px,4.6vw,50px);letter-spacing:-.03em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p{margin:14px auto 0;max-width:620px;color:var(--mut);font-size:16px}
.hero-search{
  display:flex;gap:8px;max-width:560px;margin:28px auto 0;padding:7px 7px 7px 20px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  box-shadow:var(--sh-md);transition:.2s;
}
.hero-search:focus-within{box-shadow:var(--sh-lg);border-color:#c7d2fe}
.hero-search input{flex:1;min-width:0;border:0;background:none;outline:none;font-size:15px}
.hero-search button{
  flex:none;border:0;cursor:pointer;padding:11px 26px;border-radius:999px;
  background:var(--grad);color:#fff;font-weight:600;font-size:14.5px;
  box-shadow:0 4px 14px rgba(99,102,241,.32);transition:.2s;
}
.hero-search button:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(99,102,241,.4)}
.hero-stats{display:flex;justify-content:center;gap:34px;margin-top:28px;color:var(--mut);font-size:13.5px;flex-wrap:wrap}
.hero-stats b{color:var(--ink);font-size:17px;margin-right:4px}

/* 区块 */
.sec{margin:52px 0}
.sec-hd{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;gap:14px}
.sec-hd h2{display:flex;align-items:center;gap:9px;font-size:20px}
.sec-hd h2 .ico{width:19px;height:19px;color:var(--acc)}
.sec-more{font-size:13.5px;color:var(--acc);font-weight:600}
.sec-more:hover{text-decoration:underline}

/* 分类卡 */
.cats{display:grid;grid-template-columns:repeat(auto-fill,minmax(196px,1fr));gap:16px}
.cats-lg{grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}
.cat-card{
  position:relative;overflow:hidden;padding:22px 20px 18px;border-radius:var(--r);
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-sm);
  transition:transform .22s,box-shadow .22s,border-color .22s;
}
.cat-card::before{
  content:"";position:absolute;inset:0 0 auto;height:3px;
  background:linear-gradient(90deg,var(--g1,#6366f1),var(--g2,#a855f7));
  opacity:.9;
}
.cat-card:hover{transform:translateY(-3px);box-shadow:var(--sh-md);border-color:#e0e7ff}
.cat-ico{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;color:#fff;
  background:linear-gradient(135deg,var(--g1,#6366f1),var(--g2,#a855f7));
  box-shadow:0 6px 16px rgba(99,102,241,.28);margin-bottom:14px;
}
.cat-ico .ico{width:22px;height:22px}
.cat-card b{display:block;font-size:16px;margin-bottom:5px}
.cat-card i{display:block;font-style:normal;font-size:12.8px;color:var(--mut);line-height:1.6;min-height:2.6em}
.cat-card em{display:inline-block;margin-top:10px;font-style:normal;font-size:12px;color:var(--acc);
  background:var(--grad-soft);padding:3px 10px;border-radius:999px;font-weight:600}

/* 文章卡 */
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
.art-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);
  overflow:hidden;box-shadow:var(--sh-sm);transition:transform .24s,box-shadow .24s,border-color .24s;
}
.art-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:#e0e7ff}
.art-link{display:flex;flex-direction:column;height:100%}
.art-body{padding:16px 17px 15px;display:flex;flex-direction:column;gap:9px;flex:1}
.art-chips{display:flex;gap:7px;flex-wrap:wrap}
.chip{
  font-size:11.5px;font-weight:600;padding:3px 10px;border-radius:999px;
  background:linear-gradient(135deg,var(--g1,#6366f1),var(--g2,#a855f7));color:#fff;
}
.chip-top{background:linear-gradient(135deg,#f59e0b,#f97316)}
.art-body h3{font-size:16.5px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.art-card:hover .art-body h3{color:var(--acc)}
.art-body p{font-size:13.4px;color:var(--mut);line-height:1.65;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.art-meta{margin-top:auto;padding-top:10px;display:flex;gap:16px;font-size:12.3px;color:var(--mut2);border-top:1px dashed var(--line)}
.art-meta span{display:inline-flex;align-items:center;gap:5px}
.art-meta .ico{width:13px;height:13px}

/* 游戏图标行（搜索框下方） */
.games{
  display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin:28px auto 0;max-width:820px;
}
.game-chip{
  display:flex;flex-direction:column;align-items:center;gap:7px;width:78px;
  padding:8px 4px 7px;border-radius:15px;transition:background .2s;
}
.game-chip .game-ico{
  width:52px;height:52px;border-radius:16px;overflow:hidden;
  display:grid;place-items:center;background:#fff;border:1px solid var(--line);
  box-shadow:var(--sh-sm);color:var(--mut2);transition:transform .2s,box-shadow .2s,border-color .2s,background .2s;
}
.game-chip .game-ico img{width:100%;height:100%;object-fit:cover}
.game-chip .game-ico .ico{width:24px;height:24px}
.game-chip b{
  font-size:12.5px;font-weight:500;color:var(--ink2);max-width:78px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.game-chip:hover{background:var(--line2)}
.game-chip:hover .game-ico{transform:translateY(-3px);box-shadow:var(--sh-md);border-color:#c7d2fe}
.game-chip.is-on .game-ico{background:var(--grad);border-color:transparent;color:#fff;box-shadow:0 6px 18px rgba(99,102,241,.32)}
.game-chip.is-on b{color:var(--acc);font-weight:700}

/* 游戏标签（文章卡 / 文章页头部） */
.chip-game{background:linear-gradient(135deg,var(--g1,#f59e0b),var(--g2,#f97316));
  box-shadow:0 2px 8px rgba(245,158,11,.26)}
.chip-game::before{
  content:"";display:inline-block;width:5px;height:5px;border-radius:50%;
  background:currentColor;opacity:.85;margin-right:5px;vertical-align:1px;
}

/* 文章卡：按用户要求不显示封面图，改为纯文字卡片 */
.art-body{padding:18px 18px 16px;display:flex;flex-direction:column;gap:9px;flex:1}
.art-card:hover .art-body h3{color:var(--acc)}

/* 游戏筛选页标题里的小图标 */
.sec-game-ico{width:22px;height:22px;border-radius:7px;object-fit:cover;flex:none}

/* 热门榜 */
.hotlist{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.hotlist li{display:flex;align-items:center;gap:12px;padding:11px 14px;border-radius:var(--r-sm);transition:.18s}
.hotlist li:hover{background:var(--bg-soft)}
.hot-no{
  width:23px;height:23px;flex:none;border-radius:7px;display:grid;place-items:center;
  font-size:12px;font-weight:700;color:var(--acc);background:var(--grad-soft);
}
.hotlist li:nth-child(1) .hot-no{background:linear-gradient(135deg,#f59e0b,#f97316);color:#fff}
.hotlist li:nth-child(2) .hot-no{background:linear-gradient(135deg,#94a3b8,#cbd5e1);color:#fff}
.hotlist li:nth-child(3) .hot-no{background:linear-gradient(135deg,#d97706,#fbbf24);color:#fff}
.hotlist a{flex:1;min-width:0;font-size:14.3px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hotlist a:hover{color:var(--acc)}
.hotlist em{font-style:normal;font-size:12px;color:var(--mut2)}

/* ------------------------------- 内页 ------------------------------- */
.page{padding:26px 0 64px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--mut);margin-bottom:20px;flex-wrap:wrap}
.crumb a:hover{color:var(--acc)}
.crumb b{color:var(--ink2);font-weight:600}
.crumb span{color:#cbd5e1}

.cat-hero{
  position:relative;overflow:hidden;display:flex;align-items:center;gap:18px;
  padding:26px 26px;border-radius:var(--r-lg);margin-bottom:26px;color:#fff;
  background:linear-gradient(135deg,var(--g1,#6366f1),var(--g2,#a855f7));
  box-shadow:0 10px 30px rgba(99,102,241,.22);
}
.cat-hero::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:rgba(255,255,255,.16);
}
.cat-hero-ico{
  width:56px;height:56px;flex:none;border-radius:17px;display:grid;place-items:center;
  background:rgba(255,255,255,.22);backdrop-filter:blur(6px);
}
.cat-hero-ico .ico{width:28px;height:28px}
.cat-hero h1{font-size:24px;margin-bottom:5px}
.cat-hero p{font-size:13.5px;opacity:.9}
.cat-hero em{display:inline-block;margin-top:8px;font-style:normal;font-size:12px;
  background:rgba(255,255,255,.2);padding:3px 11px;border-radius:999px}

.pager{display:flex;gap:8px;justify-content:center;margin-top:32px;flex-wrap:wrap}
.pager a{
  min-width:38px;height:38px;padding:0 12px;display:grid;place-items:center;
  border:1px solid var(--line);border-radius:10px;font-size:14px;color:var(--ink2);background:#fff;transition:.18s;
}
.pager a:hover{border-color:#c7d2fe;color:var(--acc)}
.pager a.is-on{background:var(--grad);border-color:transparent;color:#fff;font-weight:600;box-shadow:0 4px 12px rgba(99,102,241,.3)}

/* 文章详情 */
.art-wrap{display:block}
.art-main{background:#fff}
.art-hd{padding-bottom:20px;border-bottom:1px solid var(--line);margin-bottom:26px}
.art-hd h1{font-size:clamp(23px,3.2vw,32px);line-height:1.35;letter-spacing:-.02em}
.art-sub{display:flex;align-items:center;gap:14px;margin-top:14px;font-size:13px;color:var(--mut);flex-wrap:wrap}
.art-sub .chip{font-size:12px}
.art-sub .tags{display:flex;gap:10px;flex-wrap:wrap}
.art-sub .tags a{color:var(--acc);font-size:12.5px}
.art-figure{margin:0 0 26px;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-sm)}
.art-figure img{width:100%;max-height:440px;object-fit:cover}

/* 正文排版 */
.prose{font-size:16px;line-height:1.9;color:#1e293b;word-break:break-word;overflow-wrap:anywhere}
.prose>*+*{margin-top:1.05em}
.prose h1,.prose h2,.prose h3,.prose h4{color:var(--ink);scroll-margin-top:80px}
.prose h2{
  font-size:21px;margin-top:2em;padding-left:13px;position:relative;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:3px;background:var(--grad);
}
.prose h3{font-size:17.5px;margin-top:1.7em}
.prose h4{font-size:16px;margin-top:1.5em;color:var(--ink2)}
.prose p{color:#334155}
.prose a{color:var(--acc);text-decoration:underline;text-underline-offset:3px}
.prose ul,.prose ol{padding-left:1.35em}
.prose li{margin:.4em 0}
.prose li::marker{color:var(--acc)}
.prose img{border-radius:var(--r-sm);border:1px solid var(--line);margin:1.2em auto;box-shadow:var(--sh-sm)}
.prose blockquote{
  margin:1.4em 0;padding:14px 18px;border-radius:12px;color:var(--ink2);
  background:var(--grad-soft);border-left:3px solid var(--acc);
}
.prose blockquote p{margin:0;color:var(--ink2)}
.prose pre{
  margin:1.3em 0;padding:16px 18px;border-radius:12px;overflow:auto;
  background:#0f172a;color:#e2e8f0;font-size:13.2px;line-height:1.7;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.prose code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em;
  background:#f1f5f9;padding:2px 6px;border-radius:6px;color:#7c3aed;
}
.prose pre code{background:none;padding:0;color:inherit}
.prose table{width:100%;border-collapse:collapse;font-size:14px;display:block;overflow-x:auto}
.prose th,.prose td{border:1px solid var(--line);padding:9px 12px;text-align:left}
.prose th{background:var(--bg-soft);font-weight:600}
.prose hr{border:0;border-top:1px solid var(--line);margin:2em 0}

/* 附件区 */
.files-box{
  margin-top:38px;padding:22px 22px 18px;border-radius:var(--r);
  background:linear-gradient(180deg,#fff,var(--bg-soft));border:1px solid var(--line);box-shadow:var(--sh-sm);
}
.files-box h2{display:flex;align-items:center;gap:9px;font-size:17px;margin-bottom:14px}
.files-box h2 .ico{width:18px;height:18px;color:var(--acc)}
.files-box h2 em{font-style:normal;font-size:12px;color:var(--mut);font-weight:500;
  background:#fff;border:1px solid var(--line);padding:2px 9px;border-radius:999px}
.filelist{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.file{
  display:flex;align-items:center;gap:14px;padding:13px 15px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-sm);transition:.2s;
}
.file:hover{border-color:#c7d2fe;box-shadow:var(--sh-sm);transform:translateX(2px)}
.file-ico{
  width:44px;height:44px;flex:none;border-radius:11px;display:grid;place-items:center;
  font-size:11px;font-weight:700;color:#fff;letter-spacing:.02em;
  background:linear-gradient(135deg,#94a3b8,#cbd5e1);
}
.tone-zip{background:linear-gradient(135deg,#f59e0b,#f97316)}
.tone-pdf{background:linear-gradient(135deg,#ef4444,#f43f5e)}
.tone-doc{background:linear-gradient(135deg,#3b82f6,#6366f1)}
.tone-xls{background:linear-gradient(135deg,#10b981,#14b8a6)}
.tone-ppt{background:linear-gradient(135deg,#f97316,#ef4444)}
.tone-txt{background:linear-gradient(135deg,#64748b,#94a3b8)}
.tone-app{background:linear-gradient(135deg,#8b5cf6,#a855f7)}
.tone-img{background:linear-gradient(135deg,#06b6d4,#0ea5e9)}
.tone-vid{background:linear-gradient(135deg,#ec4899,#f43f5e)}
.file-meta{flex:1;min-width:0}
.file-meta b{display:block;font-size:14.2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.file-meta i{display:block;font-style:normal;font-size:12.2px;color:var(--mut2);margin-top:3px}

/* 上一篇 / 下一篇 */
.pn{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:38px}
.pn a{
  padding:15px 18px;border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;transition:.2s;
  display:flex;flex-direction:column;gap:5px;min-width:0;
}
.pn a:hover{border-color:#c7d2fe;box-shadow:var(--sh-sm)}
.pn a i{font-style:normal;font-size:12px;color:var(--mut2)}
.pn a b{font-size:14.3px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pn-next{text-align:right}

/* 搜索 */
.search-bar{display:flex;gap:10px;margin-bottom:20px}
.search-bar input{
  flex:1;min-width:0;padding:12px 18px;border:1px solid var(--line);border-radius:12px;
  background:#fff;outline:none;font-size:15px;transition:.2s;
}
.search-bar input:focus{border-color:#c7d2fe;box-shadow:0 0 0 4px rgba(99,102,241,.1)}
.search-note{font-size:13.6px;color:var(--mut);margin-bottom:20px}
.search-note b{color:var(--acc)}

/* 空态 / 404 */
.empty{
  padding:52px 20px;text-align:center;color:var(--mut);font-size:14.5px;
  background:var(--bg-soft);border:1px dashed var(--line);border-radius:var(--r);
}
.notfound{padding:70px 20px;text-align:center}
.notfound h1{
  font-size:82px;line-height:1;margin:0;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.notfound p{color:var(--mut);margin:14px 0 26px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  padding:10px 20px;border-radius:11px;border:1px solid transparent;cursor:pointer;
  font-size:14px;font-weight:600;transition:.2s;white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 4px 14px rgba(99,102,241,.3)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(99,102,241,.4)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink2)}
.btn-ghost:hover{border-color:#c7d2fe;color:var(--acc);background:var(--grad-soft)}

/* ------------------------------- 页脚 ------------------------------- */
.ftr{margin-top:60px;background:var(--bg-soft);border-top:1px solid var(--line);padding:38px 0 24px}
.ftr-in{display:flex;justify-content:space-between;gap:26px;flex-wrap:wrap;align-items:flex-start}
.ftr-brand{display:flex;gap:12px;align-items:flex-start;max-width:420px}
.ftr-brand b{font-size:15.5px}
.ftr-brand p{font-size:12.8px;color:var(--mut);margin-top:5px}
.ftr-links{display:flex;gap:20px;flex-wrap:wrap;font-size:13.4px;color:var(--ink2)}
.ftr-links a:hover{color:var(--acc)}
.ftr-bottom{
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  margin-top:26px;padding-top:18px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--mut2);
}

/* ------------------------------- 响应式 ------------------------------- */
@media (max-width:1024px){
  .hdr-search input{width:130px}
  .brand-txt i{display:none}
}
@media (max-width:860px){
  .nav{
    position:absolute;left:0;right:0;top:66px;flex-direction:column;align-items:stretch;
    background:#fff;border-bottom:1px solid var(--line);padding:10px 16px 16px;gap:2px;
    box-shadow:var(--sh-md);display:none;
  }
  .nav.is-open{display:flex}
  .hdr-in{position:relative}
  .navlink{padding:11px 12px}
  .burger{display:grid}
  .hdr-search{flex:1;margin-left:auto}
  .hdr-search input{width:100%}
  .hero{padding:46px 0 42px}
  .grid-3{grid-template-columns:1fr}
  .sec{margin:40px 0}
  .pn{grid-template-columns:1fr}
  .pn-next{text-align:left}

  /* 游戏图标：手机改成横向滑动一行，不换行不吃高度 */
  .games{
    flex-wrap:nowrap;overflow-x:auto;justify-content:flex-start;
    margin:22px -15px 0;padding:2px 15px 10px;
    -webkit-overflow-scrolling:touch;scrollbar-width:none;
  }
  .games::-webkit-scrollbar{display:none}
  .game-chip{flex:none;width:70px}
  .game-chip .game-ico{width:48px;height:48px;border-radius:15px}
  .game-chip b{font-size:12px;max-width:70px}
}
@media (max-width:560px){
  .wrap{padding:0 15px}
  .cats,.cats-lg{grid-template-columns:repeat(2,1fr);gap:12px}
  .cat-card{padding:16px 14px 14px}
  .cat-ico{width:36px;height:36px;border-radius:11px;margin-bottom:10px}
  .cat-ico .ico{width:19px;height:19px}
  .cat-card b{font-size:14.5px}
  .cat-card i{font-size:12px;min-height:0}
  .hero-stats{gap:20px;font-size:12.5px}
  .hero-search{padding:6px 6px 6px 15px}
  .hero-search button{padding:10px 18px;font-size:13.5px}
  .prose{font-size:15.5px}
  .file{flex-wrap:wrap}
  .file .btn{width:100%}
  .sec-hd h2{font-size:18px}
  .notfound h1{font-size:62px}
}