:root{
  --primary:#de4c36; --primary-dark:#b8341f;
  --bg:#f0f3f6; --card:#ffffff;
  --text:#263238; --text-2:#546e7a; --text-3:#90a4ae;
  --line:#e1e7ec; --line-strong:#cfd8e0;
  --link:#c0361f; --link-hover:#b8341f;
  --accent:#de4c36; --accent-soft:#fde7e3;
  --danger:#e53935;
  --tip-bg:#fde7e3; --tip-line:#f5c6b8;
  --warn-bg:#fff3e0; --warn-line:#ffe0b2; --warn-accent:#ef6c00;
  --mark:#ffe082;
  --code-bg:#282c34; --code-bar:#21252b;
  --shadow:0 2px 8px rgba(38,50,56,.08);
  color-scheme:light;
}
:root[data-theme="dark"]{
  --primary:#b8341f; --primary-dark:#8f2f1f;
  --bg:#16181d; --card:#1f2329;
  --text:#d3dae2; --text-2:#8fa0ad; --text-3:#647482;
  --line:#333a42; --line-strong:#3d4650;
  --link:#ff8a70; --link-hover:#ffa08a;
  --accent:#ff8a70; --accent-soft:#3a201a;
  --danger:#ef9a9a;
  --tip-bg:#3a201a; --tip-line:#5a3327;
  --warn-bg:#332a1d; --warn-line:#5a4a2e; --warn-accent:#ffb74d;
  --mark:#5f5426;
  --shadow:0 2px 8px rgba(0,0,0,.35);
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);
     font:15px/1.7 "Roboto","Segoe UI","Helvetica Neue","Microsoft YaHei","PingFang SC",sans-serif;
     transition:background-color .2s,color .2s}
a{color:var(--link);text-decoration:none}
a:hover{color:var(--link-hover)}
code,pre,.mono{font-family:Consolas,"Cascadia Code",Menlo,monospace}
mark{background:var(--mark);color:inherit;border-radius:2px;padding:0 2px}

/* ── 顶栏（Wiki.js 主色应用栏） ── */
.topbar{position:sticky;top:0;z-index:30;height:58px;background:linear-gradient(90deg,var(--primary),#ef6c4a);color:#fff}
:root[data-theme="dark"] .topbar{background:linear-gradient(90deg,#8f2f1f,var(--primary))}
.head-inner{max-width:1500px;margin:0 auto;width:100%;height:100%;
            display:flex;align-items:center;gap:14px;padding:0 26px}
.logo{flex-shrink:0;display:flex;align-items:center}
.logo svg{display:block}
.brand a{display:block;color:#fff}
.brand a:hover{text-decoration:none}
.site-name{font-size:17px;font-weight:700;line-height:1.2}
.site-tag{font-size:11px;color:rgba(255,255,255,.75)}
.search{margin-left:auto;display:flex;align-items:center;gap:8px;flex:1;max-width:320px;
        padding:6px 12px;border-radius:6px;background:rgba(255,255,255,.95);
        transition:box-shadow .15s}
:root[data-theme="dark"] .search{background:rgba(255,255,255,.14)}
.search:focus-within{box-shadow:0 0 0 2px rgba(255,255,255,.55)}
.search svg{flex-shrink:0;stroke:#546e7a}
:root[data-theme="dark"] .search svg{stroke:#cfd8e0}
.search input{flex:1;min-width:0;border:0;outline:0;background:transparent;color:#263238;font-size:13.5px}
:root[data-theme="dark"] .search input{color:#eceff1}
.search input::placeholder{color:#90a4ae}
.search .key{font-size:11px;color:#546e7a;border:1px solid #cfd8e0;border-radius:4px;padding:1px 6px}
:root[data-theme="dark"] .search .key{color:#fff;border-color:rgba(255,255,255,.85)}
.topbar .icon-btn{min-width:34px;height:34px;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;
                  border:1px solid rgba(255,255,255,.45);border-radius:6px;background:transparent;
                  color:#fff;cursor:pointer;transition:.12s;text-decoration:none;font-size:15px}
.topbar .icon-btn:hover{background:rgba(255,255,255,.14);text-decoration:none}
  .hnav{display:flex;gap:6px}
  .hnav .icon-btn{font-size:19px;line-height:1}
  :root[data-theme="light"] .icon-sun{display:none}
  :root[data-theme="dark"] .icon-moon{display:none}
.hnav .icon-btn.off{opacity:.4;pointer-events:none}

/* ── 面包屑副栏 ── */
.subbar{height:40px;background:var(--primary-dark);color:#fff;transition:background-color .2s}
.subbar .head-inner{height:40px}
.crumb{font-size:12.5px;display:flex;align-items:center;gap:8px;color:rgba(255,255,255,.85)}
.crumb b{color:#fff;font-weight:600}
.crumb .sep{color:rgba(255,255,255,.4)}
.subbar .hnav{margin-left:auto}
.subbar .icon-btn{min-width:30px;height:30px;font-size:17px;
                  border:1px solid rgba(255,255,255,.4);border-radius:6px;background:transparent;
                  color:#fff;cursor:pointer;transition:.12s;display:inline-flex;align-items:center;justify-content:center}
.subbar .icon-btn:hover{background:rgba(255,255,255,.14)}
.subbar .icon-btn.off{opacity:.4;pointer-events:none}

/* ── 布局：灰底 + 白卡片 ── */
.layout{max-width:1500px;margin:0 auto;padding:18px 26px 46px;display:flex;gap:18px;align-items:flex-start}
.sidebar{width:262px;flex-shrink:0;position:sticky;top:112px;height:calc(100vh - 130px);
         overflow:auto;padding:12px 10px 30px;background:var(--card);border-radius:8px;
         box-shadow:var(--shadow);transition:background-color .2s}
.side-group{margin-bottom:12px}
.side-group b{display:block;font-size:11.5px;color:var(--text-3);font-weight:700;
              text-transform:uppercase;letter-spacing:.6px;padding:0 10px 4px;margin:0 0 4px}
.sidebar a{display:block;position:relative;padding:5px 10px 5px 14px;font-size:13.5px;border-radius:6px;transition:.1s;color:var(--text)}
.sidebar a .no{font-family:Consolas,monospace;font-size:11px;color:var(--text-3);margin-right:7px}
.sidebar a:hover{background:var(--surface);color:var(--link);text-decoration:none}
.sidebar a.on{background:var(--accent-soft);color:var(--link);font-weight:600;text-decoration:none}
.sidebar a.on::before{content:"";position:absolute;left:3px;top:50%;transform:translateY(-50%);
                      height:18px;width:3px;border-radius:2px;background:var(--accent)}
.sidebar a.on .no{color:var(--link)}

main{flex:1;min-width:0;padding:26px 32px 30px;background:var(--card);border-radius:8px;
     box-shadow:var(--shadow);transition:background-color .2s}
.crumb-in{display:none}
h1{font-size:26px;font-weight:600;margin:0 0 4px;letter-spacing:-.2px}
h1 .chap{font-family:Consolas,monospace;font-size:12px;color:var(--text-3);margin-left:10px;font-weight:400}
.lead{margin:0 0 16px;color:var(--text-2)}
.meta{color:var(--text-3);font-size:12.5px;margin:0 0 16px}
#status{display:none;margin:14px 0;font-size:13.5px;color:var(--text-2);
        background:var(--bg);border:1px dashed var(--line);border-radius:6px;padding:8px 14px}
#status.show{display:block}

/* ── 提示框（Material 色） ── */
.tip,.warn{border-radius:6px;padding:10px 14px;font-size:14px;margin:16px 0}
.tip{background:var(--tip-bg);border:1px solid var(--tip-line);border-left:4px solid var(--accent)}
.tip b:first-child{color:var(--link)}
.warn{background:var(--warn-bg);border:1px solid var(--warn-line);border-left:4px solid var(--warn-accent)}
.warn b:first-child{color:var(--warn-accent)}
mark{background:var(--mark);color:inherit;border-radius:2px;padding:0 2px}

/* ── 表格（Material 数据表） ── */
table{border-collapse:collapse;width:100%;margin:12px 0 8px;font-size:14px}
th{background:var(--bg);text-align:left;font-weight:700;font-size:13px;color:var(--text-2)}
th,td{border:1px solid var(--line);padding:8px 12px;vertical-align:top}
td:first-child{white-space:nowrap}
tr:hover td{background:var(--accent-soft)}
tr[hidden]{display:none}
tr:target td{background:var(--accent-soft)}

/* ── 可复制命令 ── */
.copyable{display:inline-block;background:var(--bg);border:1px solid var(--line);
          border-radius:4px;padding:1px 7px;font-size:13px;cursor:copy;transition:.1s;white-space:nowrap}
.copyable:hover{border-color:var(--accent);color:var(--link)}
.copyable.copied{border-color:var(--accent);background:var(--accent-soft)}
td code:not(.copyable){background:var(--bg);border:1px solid var(--line);border-radius:4px;
                       padding:1px 6px;font-size:12.5px;color:var(--text-2)}

/* ── 代码块（atom-one-dark，Wiki.js 默认高亮主题） ── */
.cb{margin:16px 0 10px;border-radius:6px;overflow:hidden;background:var(--code-bg);
    box-shadow:0 2px 6px rgba(0,0,0,.15)}
.cb-bar{display:flex;align-items:center;gap:6px;background:var(--code-bar);padding:7px 14px}
.cb-bar .d{width:10px;height:10px;border-radius:50%;opacity:.85}
.cb-bar .d1{background:#ff5f56}.cb-bar .d2{background:#ffbd2e}.cb-bar .d3{background:#27c93f}
.cb-bar .lang{margin-left:8px;color:#9da5b4;font-size:12px;font-family:Consolas,monospace}
.cb-bar .copy{margin-left:auto;color:#9da5b4;font-size:12px;border:1px solid #3a3f4b;
              border-radius:4px;padding:2px 10px;cursor:pointer;background:transparent;transition:.1s}
.cb-bar .copy:hover{color:#eceff1;border-color:#9da5b4}
.cb pre{margin:0;background:var(--code-bg);color:#abb2bf;padding:14px 18px;overflow:auto;
        font-size:13.5px;line-height:1.8}
.cm{color:#5c6370;font-style:italic}
.g{color:#e06c75;font-weight:700}
.fl{color:#c678dd}
.st{color:#98c379}

/* ── 首页 ── */
.hero{display:flex;align-items:center;gap:18px;margin:0 0 8px}
.chapters{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px;margin:18px 0 8px}
.chcard{border:1px solid var(--line);border-radius:8px;background:var(--bg);padding:12px 14px 8px}
.chcard>b{display:block;font-size:11.5px;color:var(--text-3);letter-spacing:.6px;text-transform:uppercase;margin-bottom:6px}
.chcard a{display:block;padding:5px 8px;border-radius:6px;font-size:14px;color:var(--text)}
.chcard a:hover{background:var(--accent-soft);color:var(--link);text-decoration:none}
.chcard a .no{font-family:Consolas,monospace;font-size:11px;color:var(--text-3);margin-right:7px}

/* ── 翻页器（VitePress 风格：细分隔线 + 极简文本链） ── */
.pager{display:flex;justify-content:space-between;gap:16px;margin:44px 0 0;
       padding-top:22px;border-top:1px solid var(--line-soft)}
.pager a{display:block;padding:10px 18px;border-radius:8px;min-width:0;
         transition:background .15s}
.pager a:hover{background:var(--accent-soft);text-decoration:none}
.pager a .dir{display:block;font-size:11.5px;color:var(--text-3);margin-bottom:3px}
.pager a .ttl{font-size:15px;font-weight:600;color:var(--link)}
.pager a.next{margin-left:auto;text-align:right}

/* ── 搜索结果 ── */
.ritem{display:block;padding:12px 16px;border:1px solid var(--line);border-radius:8px;
       margin:10px 0;background:var(--card);transition:.12s}
.ritem:hover{border-color:var(--accent);text-decoration:none}
.ritem .rmeta{font-size:12px;color:var(--text-3);margin-bottom:4px;font-family:Consolas,monospace}
.ritem .rtext{font-size:14px;color:var(--text)}

footer{color:var(--text-3);font-size:12.5px;padding:14px 28px 40px;max-width:1500px;margin:0 auto}

#toTop{position:fixed;right:26px;bottom:26px;width:40px;height:40px;border-radius:8px;
       border:none;background:var(--primary);color:#fff;font-size:17px;cursor:pointer;
       opacity:0;pointer-events:none;transition:.2s;z-index:40;box-shadow:0 2px 8px rgba(222,76,54,.4)}
#toTop.show{opacity:1;pointer-events:auto}
#toast{position:fixed;left:50%;bottom:34px;transform:translateX(-50%) translateY(16px);
       background:var(--text);color:var(--bg);font-size:13.5px;padding:8px 18px;border-radius:6px;
       opacity:0;pointer-events:none;transition:.25s;z-index:50}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

@media (max-width:900px){
  .sidebar{display:none}
  .search{max-width:none}
  .head-inner{padding:0 18px}
  .layout{padding:14px 18px 36px}
  main{padding:20px 18px 26px}
  footer{padding:14px 18px 34px}
}

/* ── 右侧本页目录 ── */
.toc{width:232px;flex-shrink:0;position:sticky;top:112px;max-height:calc(100vh - 132px);
     overflow:auto;background:var(--card);border-radius:8px;box-shadow:var(--shadow);
     padding:12px 10px 14px;transition:background-color .2s}
.toc>b{display:block;font-size:11.5px;color:var(--text-3);letter-spacing:.6px;
       text-transform:uppercase;padding:0 10px 6px}
.toc a{display:block;padding:4px 10px;border-radius:6px;color:var(--text-2);font-size:12.5px;
       white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.toc a:hover{background:var(--accent-soft);color:var(--link);text-decoration:none}
tr{scroll-margin-top:110px}
@media (max-width:1240px){.toc{display:none}}