/* ==========================================================
   xgblog 默认主题 xgsimple —— 简约 / 清爽 / 响应式 / 支持暗色
   ========================================================== */
:root{
  --bg:#f6f7f9;
  --card:#ffffff;
  --text:#1f2329;
  --text-2:#4b5563;
  --muted:#8b95a5;
  --brand:#3b6ef5;
  --brand-soft:rgba(59,110,245,.10);
  --border:#e9edf3;
  --shadow:0 6px 24px rgba(20,30,60,.06);
  --radius:14px;
  --wrap:1180px;
}
html[data-theme="dark"]{
  --bg:#14171d;
  --card:#1b1f27;
  --text:#e7eaf0;
  --text-2:#c2c9d6;
  --muted:#8a94a6;
  --brand:#6f9bff;
  --brand-soft:rgba(111,155,255,.14);
  --border:#272d38;
  --shadow:0 6px 24px rgba(0,0,0,.28);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg);color:var(--text);
  font:16px/1.8 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  -webkit-font-smoothing:antialiased;transition:background .25s,color .25s;
}
a{color:var(--brand);text-decoration:none;transition:color .2s}
a:hover{color:#2b56c9}
html[data-theme="dark"] a:hover{color:#9dbaff}
img{max-width:100%;height:auto;display:block;border-radius:10px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.muted{color:var(--muted)}
.btn{
  display:inline-block;padding:9px 20px;border-radius:999px;background:var(--brand);color:#fff;
  font-size:14px;font-weight:600;border:1px solid var(--brand);cursor:pointer;transition:.2s;
}
.btn:hover{filter:brightness(1.08);color:#fff;transform:translateY(-1px)}
.btn.ghost{background:transparent;color:var(--brand)}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;background:var(--card);
  border-bottom:1px solid var(--border);backdrop-filter:saturate(180%) blur(10px);
}
.header-inner{display:flex;align-items:center;gap:16px;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),#7aa2ff);color:#fff;font-weight:800;font-size:18px;
  box-shadow:0 4px 12px rgba(59,110,245,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:17px;letter-spacing:.3px}
.brand-text em{font-style:normal;font-size:12px;color:var(--muted)}
.site-nav{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1}
.site-nav>a,.nav-drop>a{
  padding:8px 14px;border-radius:10px;font-size:15px;color:var(--text-2);
}
.site-nav>a:hover,.nav-drop>a:hover{background:var(--brand-soft);color:var(--brand)}
.site-nav>a.on{color:var(--brand);background:var(--brand-soft);font-weight:600}
.nav-drop{position:relative}
.drop-panel{
  display:none;position:absolute;top:42px;left:0;min-width:180px;padding:8px;
  background:var(--card);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);
}
.nav-drop:hover .drop-panel{display:block}
.drop-panel a{display:flex;justify-content:space-between;gap:12px;padding:7px 10px;border-radius:8px;color:var(--text-2);font-size:14px}
.drop-panel a:hover{background:var(--brand-soft);color:var(--brand)}
.drop-panel i{font-style:normal;color:var(--muted);font-size:12px}
.header-tools{display:flex;gap:6px}
.icon-btn{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--border);background:transparent;
  cursor:pointer;font-size:15px;display:grid;place-items:center;color:var(--text-2);transition:.2s;
}
.icon-btn:hover{background:var(--brand-soft);color:var(--brand);border-color:transparent}
.nav-toggle{display:none;margin-left:auto;width:36px;height:36px;border-radius:10px;border:1px solid var(--border);background:transparent;cursor:pointer}

/* ---------- 布局 ---------- */
.main-body{padding:26px 20px 40px;min-height:60vh}
.layout{display:grid;grid-template-columns:1fr 300px;gap:24px;align-items:start}
.content{min-width:0}

/* ---------- Hero ---------- */
.hero{
  display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between;
  background:linear-gradient(135deg,var(--brand-soft),transparent 70%),var(--card);
  border:1px solid var(--border);border-radius:var(--radius);padding:28px 28px;margin-bottom:22px;
  box-shadow:var(--shadow);
}
.hero-text h1{margin:0 0 6px;font-size:26px;letter-spacing:.5px}
.hero-text p{margin:0 0 14px;color:var(--muted);font-size:15px}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap}
.hero-stats{display:flex;gap:26px}
.hero-stats div{text-align:center}
.hero-stats b{display:block;font-size:22px;color:var(--brand)}
.hero-stats span{font-size:12px;color:var(--muted)}

/* ---------- 文章卡片 ---------- */
.post-card{
  display:flex;gap:18px;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);padding:18px;margin-bottom:16px;box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s;
}
.post-card:hover{transform:translateY(-3px);border-color:var(--brand);box-shadow:0 10px 30px rgba(20,30,60,.10)}
.post-card.is-top{border-left:3px solid var(--brand)}
.post-cover{flex:0 0 180px}
.post-cover img{width:180px;height:120px;object-fit:cover}
.post-body{flex:1;min-width:0}
.post-meta-top{display:flex;align-items:center;gap:8px;margin-bottom:6px;flex-wrap:wrap}
.badge{font-size:12px;padding:2px 9px;border-radius:999px;background:var(--brand-soft);color:var(--brand)}
.badge.top{background:#ff5b5b;color:#fff}
.post-meta-top time{font-size:12px;color:var(--muted)}
.post-title{margin:2px 0 8px;font-size:20px;line-height:1.5;font-weight:700}
.post-title a{color:var(--text)}
.post-title a:hover{color:var(--brand)}
.post-excerpt{margin:0 0 12px;color:var(--text-2);font-size:15px;line-height:1.75}
.post-foot{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.tags-mini a{margin-right:8px;color:var(--muted)}
.tags-mini a:hover{color:var(--brand)}
.post-stat{white-space:nowrap}
.more{margin-left:auto;color:var(--brand);font-weight:600;white-space:nowrap}

/* ---------- 列表头 ---------- */
.list-head{display:flex;align-items:baseline;gap:12px;margin-bottom:6px}
.list-title{margin:0;font-size:22px}
.list-desc{margin:0 0 16px;font-size:14px}

/* ---------- 分页 ---------- */
.pager{display:flex;gap:6px;justify-content:center;margin:24px 0 4px;flex-wrap:wrap}
.pager a{
  padding:7px 14px;border-radius:10px;background:var(--card);border:1px solid var(--border);
  color:var(--text-2);font-size:14px;
}
.pager a:hover{border-color:var(--brand);color:var(--brand)}
.pager .active{background:var(--brand);color:#fff;border-color:var(--brand)}
.pager-dots{color:var(--muted)}

/* ---------- 侧栏 ---------- */
.sidebar{position:sticky;top:84px;display:flex;flex-direction:column;gap:16px}
.widget{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.widget-title{margin:0 0 12px;font-size:15px;display:flex;align-items:center;gap:8px}
.widget-title::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--brand)}
.side-search{display:flex;gap:6px}
.side-search input{flex:1;min-width:0;padding:8px 12px;border-radius:10px;border:1px solid var(--border);background:var(--bg);color:var(--text);font-size:14px}
.side-search button{padding:8px 14px;border-radius:10px;border:none;background:var(--brand);color:#fff;cursor:pointer;font-size:14px}
.widget-list{list-style:none;margin:0;padding:0}
.widget-list li{display:flex;justify-content:space-between;gap:10px;padding:7px 0;border-bottom:1px dashed var(--border);font-size:14px}
.widget-list li:last-child{border-bottom:none}
.widget-list a{color:var(--text-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.widget-list a:hover{color:var(--brand)}
.widget-list span{color:var(--muted);font-size:12px;white-space:nowrap}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{padding:4px 10px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-size:13px}
.tag-cloud a:hover{background:var(--brand);color:#fff}
.widget-links{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.widget-links a{font-size:14px;color:var(--text-2)}
.widget-links a:hover{color:var(--brand)}

/* ---------- 详情页 ---------- */
.single-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow);margin-bottom:18px;
}
.single-head h1{margin:0 0 10px;font-size:27px;line-height:1.45}
.single-meta{display:flex;gap:16px;flex-wrap:wrap;color:var(--muted);font-size:13px;padding-bottom:14px;border-bottom:1px solid var(--border)}
.single-meta a{color:var(--muted)}
.single-meta a:hover{color:var(--brand)}
.entry{padding-top:14px;line-height:1.85;font-size:16px;color:var(--text)}
.entry h1,.entry h2,.entry h3,.entry h4{line-height:1.45;margin:26px 0 12px;font-weight:700}
.entry h2{font-size:21px;padding-left:12px;border-left:4px solid var(--brand)}
.entry h3{font-size:18px}
.entry p{margin:0 0 14px}
.entry ul,.entry ol{padding-left:24px;margin:0 0 14px}
.entry li{margin:4px 0}
.entry blockquote{
  margin:16px 0;padding:12px 16px;border-left:4px solid var(--brand);
  background:var(--brand-soft);border-radius:0 10px 10px 0;color:var(--text-2);
}
.entry blockquote p:last-child{margin:0}
.entry hr{border:none;border-top:1px solid var(--border);margin:24px 0}
.entry code{
  background:var(--brand-soft);color:var(--brand);padding:2px 6px;border-radius:6px;font-size:14px;
  font-family:"JetBrains Mono",Consolas,Monaco,"Courier New",monospace;
}
.entry a:hover{text-decoration:underline}
.entry img{margin:12px 0}
.entry mark{background:#fff3a3;color:inherit;padding:0 4px;border-radius:4px}
.code-block{margin:16px 0;border:1px solid var(--border);border-radius:12px;overflow:hidden;background:#1e2430}
.code-bar{display:flex;align-items:center;justify-content:space-between;padding:6px 12px;background:#232a38;color:#9fb0c9;font-size:12px}
.code-copy{border:none;background:rgba(255,255,255,.12);color:#dbe4f0;border-radius:6px;padding:3px 10px;cursor:pointer;font-size:12px}
.code-copy:hover{background:rgba(255,255,255,.22)}
.code-block pre{margin:0;padding:14px 16px;overflow-x:auto}
.code-block code{background:none;color:#e6edf7;padding:0;font-size:13.5px;line-height:1.7}
.table-wrap{overflow-x:auto;margin:16px 0}
.entry table{border-collapse:collapse;width:100%;font-size:14.5px}
.entry th,.entry td{border:1px solid var(--border);padding:9px 12px}
.entry th{background:var(--brand-soft);font-weight:600}
.entry-tags{margin:20px 0 0;display:flex;flex-wrap:wrap;gap:8px}
.entry-tags a{padding:4px 12px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-size:13px}
.entry-actions{display:flex;align-items:center;gap:14px;margin-top:18px;padding-top:16px;border-top:1px solid var(--border)}
.like-btn{
  padding:8px 20px;border-radius:999px;border:1px solid var(--brand);background:var(--brand-soft);
  color:var(--brand);cursor:pointer;font-size:14px;font-weight:600;transition:.2s;
}
.like-btn:hover{background:var(--brand);color:#fff}
.like-btn.done{background:var(--brand);color:#fff}
.post-nav{display:flex;justify-content:space-between;gap:14px;margin-top:18px;font-size:14px}
.post-nav a{color:var(--text-2);max-width:48%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.post-nav a:hover{color:var(--brand)}
.locked-box{text-align:center;padding:30px 10px}
.pwd-form{display:flex;gap:8px;justify-content:center;margin-top:14px;flex-wrap:wrap}
.pwd-form input{padding:9px 14px;border-radius:10px;border:1px solid var(--border);background:var(--bg);color:var(--text)}

/* ---------- 评论 ---------- */
.comment-area{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.comment-title{margin:0 0 16px;font-size:18px}
.comment-title span{color:var(--muted);font-size:14px}
.comment-form{margin-bottom:26px}
.cf-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:10px}
.cf-row input{flex:1;min-width:150px;padding:9px 12px;border-radius:10px;border:1px solid var(--border);background:var(--bg);color:var(--text);font-size:14px}
.comment-form textarea{
  width:100%;padding:12px;border-radius:12px;border:1px solid var(--border);background:var(--bg);
  color:var(--text);font-size:15px;line-height:1.7;resize:vertical;font-family:inherit;
}
.cf-foot{display:flex;align-items:center;gap:12px;margin-top:12px;flex-wrap:wrap}
.captcha-box{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted)}
.captcha-box input{width:90px;padding:7px 10px;border-radius:8px;border:1px solid var(--border);background:var(--bg);color:var(--text)}
.captcha-q{color:var(--brand);font-size:15px;letter-spacing:1px}
.hp-field{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.form-tip{margin:8px 0 0;font-size:13px;min-height:18px}
.alert{padding:10px 14px;border-radius:10px;background:var(--brand-soft);color:var(--brand);font-size:14px;margin-bottom:14px}
.comment-list{list-style:none;margin:0;padding:0}
.comment-item{display:flex;gap:12px;padding:14px 0;border-top:1px solid var(--border)}
.c-avatar{
  flex:0 0 40px;width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  color:#fff;font-weight:700;font-size:17px;
}
.c-main{flex:1;min-width:0}
.c-head{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);flex-wrap:wrap}
.c-head b{color:var(--text);font-size:15px}
.reply-btn{border:none;background:none;color:var(--brand);cursor:pointer;font-size:13px;padding:0}
.c-content{margin:4px 0 0;font-size:15px;line-height:1.75;word-break:break-word}
.c-replies{list-style:none;margin:10px 0 0;padding:10px 12px;background:var(--bg);border-radius:10px;font-size:14px}
.c-replies li{margin:4px 0}
.no-comment{text-align:center;padding:10px 0}

/* ---------- 归档页 ---------- */
.arch-year{margin:24px 0 10px;font-size:18px;display:flex;align-items:baseline;gap:8px}
.arch-year span{font-size:13px;color:var(--muted);font-weight:400}
.arch-list{list-style:none;margin:0;padding:0}
.arch-list li{display:flex;gap:12px;align-items:center;padding:8px 0;border-bottom:1px dashed var(--border);font-size:15px}
.arch-date{color:var(--muted);font-size:13px;min-width:44px}
.tag-page{display:flex;flex-wrap:wrap;gap:12px;align-items:center;padding:10px 0}
.tag-page a{color:var(--brand)}
.tag-page i{font-style:normal;color:var(--muted);font-size:12px;margin-left:3px}

/* ---------- 空状态 / 搜索 ---------- */
.empty-box{
  background:var(--card);border:1px dashed var(--border);border-radius:var(--radius);
  padding:36px 20px;text-align:center;color:var(--muted);
}
.empty-box.big{padding:60px 20px}
.empty-icon{font-size:40px;margin-bottom:8px}
.big-search{display:flex;gap:10px;margin:12px 0;flex-wrap:wrap}
.big-search input{flex:1;min-width:200px;padding:12px 16px;border-radius:12px;border:1px solid var(--border);background:var(--card);color:var(--text);font-size:15px}
.big-search button{padding:12px 26px;border-radius:12px;border:none;background:var(--brand);color:#fff;cursor:pointer;font-weight:600}
.search-page{margin-bottom:18px}

/* ---------- 底部 ---------- */
.site-footer{background:var(--card);border-top:1px solid var(--border);margin-top:30px;padding:30px 0 20px}
.footer-inner{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.footer-col h4{margin:0 0 8px;font-size:15px}
.footer-col p{margin:0;font-size:14px;line-height:1.7}
.footer-bottom{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  margin-top:20px;padding-top:16px;border-top:1px solid var(--border);
  font-size:13px;color:var(--muted);
}
.to-top{
  position:fixed;right:22px;bottom:22px;width:42px;height:42px;border-radius:50%;
  border:1px solid var(--border);background:var(--card);color:var(--text-2);cursor:pointer;
  box-shadow:var(--shadow);display:none;font-size:18px;
}
.to-top.show{display:block}

/* ---------- 响应式 ---------- */
@media (max-width:900px){
  .layout{grid-template-columns:1fr}
  .sidebar{position:static}
  .footer-inner{grid-template-columns:1fr}
}
@media (max-width:720px){
  .nav-toggle{display:block}
  .site-nav{
    display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:var(--card);border-bottom:1px solid var(--border);padding:10px 20px;box-shadow:var(--shadow);
  }
  .site-nav.open{display:flex}
  .nav-drop .drop-panel{position:static;display:none;box-shadow:none;border:none;padding-left:12px}
  .nav-drop:hover .drop-panel{display:block}
  .header-tools{margin-left:auto}
  .post-card{flex-direction:column}
  .post-cover,.post-cover img{width:100%;flex:none;height:180px}
  .hero{padding:20px}
  .single-card{padding:20px}
  .comment-area{padding:18px}
  .brand-text em{display:none}
}
@media print{
  .site-header,.sidebar,.site-footer,.comment-area,.to-top{display:none!important}
}