:root{
  --bg:#f5f7fb; --surface:#ffffff; --line:#e2e8f2; --ink:#1c2534; --sub:#5f6b7d;
  --blue:#2b5bd7; --blue-soft:#eef3ff; --blue-line:#cbdcff;
  --ok:#16794a; --ok-soft:#eaf7f0; --err:#b3261e; --err-soft:#fdeceb;
  --radius:10px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font:15px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.4;margin:0 0 12px;font-weight:600}
p{margin:8px 0}
code,pre,.mono{font-family:Consolas,"Courier New",monospace}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}

/* ---------- 前台 ---------- */
.site-head{background:var(--surface);border-bottom:1px solid var(--line)}
.head-inner{display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:20px;flex-wrap:wrap}
.brand{font-size:19px;font-weight:700;color:var(--blue);letter-spacing:.5px}
.nav{display:flex;gap:20px;flex-wrap:wrap}
.nav a{color:var(--sub);font-size:14px}
.nav a:hover{color:var(--blue)}
main.wrap{padding-top:28px;padding-bottom:48px;min-height:60vh}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.hero{padding:34px 32px;margin-bottom:28px}
.kicker{display:inline-block;font-size:12px;color:var(--blue);background:var(--blue-soft);border:1px solid var(--blue-line);border-radius:20px;padding:2px 12px;margin-bottom:14px}
.hero h1{font-size:32px;margin-bottom:8px}
.hero-desc{color:var(--sub);font-size:16px;margin-bottom:24px}
.stat-row{display:flex;gap:36px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:20px}
.stat b{display:block;font-size:26px;color:var(--blue);line-height:1.2}
.stat span{font-size:13px;color:var(--sub)}
.section{margin:30px 0}
.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:14px;flex-wrap:wrap}
.section-head h2{font-size:20px;margin:0}
.section-head span{font-size:13px;color:var(--sub)}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.doc-card,.topic-card{display:block;color:var(--ink);transition:none}
.doc-card:hover,.topic-card:hover{text-decoration:none;border-color:var(--blue-line)}
.card-date{font-size:12px;color:var(--sub)}
.doc-card h3,.topic-card h3{font-size:16px;margin:8px 0 10px;font-weight:600}
.doc-card p,.topic-card p{font-size:13px;color:var(--sub);margin:0 0 14px;line-height:1.7}
.card-more{font-size:13px;color:var(--blue)}
.empty{grid-column:1/-1;color:var(--sub);text-align:center}
.note-card{background:var(--blue-soft);border-color:var(--blue-line)}
.note-card h2{font-size:18px}
.note-card p{font-size:14px;color:#3a4a63}
.site-foot{background:var(--surface);border-top:1px solid var(--line);padding:28px 0;margin-top:20px}
.foot-inner{display:flex;gap:20px;flex-wrap:wrap;align-items:center;font-size:13px;color:var(--sub)}
.foot-inner p{margin:2px 0}
.foot-links{display:flex;gap:18px}
.foot-note{width:100%;font-size:12px;color:#8a94a6}

/* 文档页 */
.breadcrumb{font-size:13px;color:var(--sub);margin-bottom:16px}
.breadcrumb span{margin:0 8px;color:#aab3c2}
.doc-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:18px;align-items:start}
.doc{padding:30px 32px}
.doc h1{font-size:28px;margin-bottom:12px}
.doc-meta{display:flex;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--sub);border-bottom:1px solid var(--line);padding-bottom:14px}
.doc-lead{background:var(--blue-soft);border-left:3px solid var(--blue);padding:12px 16px;border-radius:0 6px 6px 0;font-size:14px;margin:18px 0}
.toc{background:#f8fafd;border:1px solid var(--line);border-radius:8px;padding:16px 20px;margin:18px 0 26px}
.toc-title{font-weight:600;font-size:14px;margin-bottom:8px}
.toc ol{margin:0;padding-left:22px;font-size:14px}
.toc li{margin:4px 0}
.toc .toc-sub{margin-left:18px;color:var(--sub)}
.doc-body{font-size:15.5px;line-height:1.9}
.doc-body h2{font-size:21px;margin:32px 0 12px;padding-left:12px;border-left:4px solid var(--blue)}
.doc-body h3{font-size:17px;margin:24px 0 10px}
.doc-body h4{font-size:15px;margin:20px 0 8px}
.doc-body p{margin:12px 0}
.doc-body ul,.doc-body ol{padding-left:24px}
.doc-body li{margin:6px 0}
.doc-body blockquote{margin:14px 0;padding:10px 16px;background:#f8fafc;border-left:3px solid #c3cede;color:var(--sub)}
.doc-body pre{background:#f4f6fa;border:1px solid var(--line);border-radius:8px;padding:14px 16px;overflow-x:auto;font-size:13px;line-height:1.6}
.doc-body code{background:#f1f4f9;padding:1px 5px;border-radius:3px;font-size:13px}
.doc-body pre code{background:none;padding:0}
.table-wrap{overflow-x:auto;margin:16px 0}
.doc-body table{width:100%;border-collapse:collapse;font-size:14px}
.doc-body th{background:var(--blue-soft);text-align:left;padding:9px 12px;border:1px solid var(--line)}
.doc-body td{padding:9px 12px;border:1px solid var(--line)}
.faq{margin-bottom:20px}
.faq-item{border-top:1px solid var(--line);padding:14px 0}
.faq-item h3{font-size:15px;margin:0 0 6px}
.faq-item p{font-size:14px;color:var(--sub);margin:0}
.source-note{background:#f8fafc;border:1px solid var(--line);border-radius:8px;padding:14px 18px;font-size:13px;color:var(--sub);margin-top:24px}
.source-note b{color:var(--ink)}
.side-card{margin-bottom:14px;padding:18px}
.side-card h3{font-size:15px;margin-bottom:12px}
.related-list,.plain-list{list-style:none;padding:0;margin:0;font-size:13.5px}
.related-list li,.plain-list li{padding:7px 0;border-bottom:1px solid #f0f3f8}
.related-list li:last-child,.plain-list li:last-child{border-bottom:none}
.topic-head{margin-bottom:20px}
.topic-head h1{font-size:26px}
.topic-head p{color:var(--sub)}
.tag{display:inline-block;font-size:12px;background:#f0f3f8;color:var(--sub);border-radius:4px;padding:2px 8px}
.tag-ok{background:var(--ok-soft);color:var(--ok)}
.tag-warn{background:rgba(217,119,6,.12);color:#b45309}
.empty-404{text-align:center;padding:56px 24px}
.btn{display:inline-block;background:var(--surface);border:1px solid var(--line);color:var(--ink);border-radius:7px;padding:8px 16px;font-size:14px;cursor:pointer;font-family:inherit;line-height:1.5}
.btn:hover{text-decoration:none;border-color:var(--blue-line);color:var(--blue)}
.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}
.btn.primary:hover{color:#fff}
.btn.danger{color:var(--err);border-color:#f0c9c6}

/* ---------- 后台 ---------- */
.admin-body{background:var(--bg)}
.admin-shell{display:flex;min-height:100vh}
.admin-side{width:210px;flex:0 0 210px;background:var(--surface);border-right:1px solid var(--line);padding:22px 16px;display:flex;flex-direction:column}
.admin-brand{font-size:17px;font-weight:700;color:var(--blue);display:block;margin-bottom:24px;padding-left:6px}
.admin-brand span{display:block;font-size:12px;font-weight:400;color:var(--sub);letter-spacing:1px}
.admin-nav{display:flex;flex-direction:column;gap:3px}
.admin-nav a{padding:9px 12px;border-radius:7px;color:var(--sub);font-size:14px}
.admin-nav a:hover{background:var(--blue-soft);text-decoration:none}
.admin-nav a.on{background:var(--blue-soft);color:var(--blue);font-weight:600}
.admin-side-foot{margin-top:auto;display:flex;flex-direction:column;gap:8px;padding:16px 12px 0;border-top:1px solid var(--line);font-size:13px}
.admin-main{flex:1;min-width:0}
.admin-top{background:var(--surface);border-bottom:1px solid var(--line);padding:18px 28px;display:flex;align-items:center;justify-content:space-between}
.admin-top h1{font-size:19px;margin:0}
.host-chip{font-size:12px;background:#f0f3f8;color:var(--sub);padding:3px 10px;border-radius:14px}
.admin-content{padding:24px 28px 60px}
.admin-card{padding:20px 22px;margin-bottom:16px}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:14px;flex-wrap:wrap}
.card-head h2{font-size:16px;margin:0}
.card-head span{font-size:12px;color:var(--sub)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:16px}
.stat-card b{display:block;font-size:26px;color:var(--blue);line-height:1.25}
.stat-card span{display:block;font-size:13px;margin-top:2px}
.stat-card small{display:block;color:var(--sub);font-size:12px;margin-top:6px}
.alert{border-radius:8px;padding:11px 16px;margin-bottom:16px;font-size:14px}
.alert.ok{background:var(--ok-soft);border:1px solid #bfe3d0;color:var(--ok)}
.alert.err{background:var(--err-soft);border:1px solid #f0c9c6;color:var(--err)}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.bars{display:flex;align-items:flex-end;gap:12px;height:160px;padding-top:8px;overflow-x:auto}
.bar-col{display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:6px;min-width:26px;flex:1}
.bar{width:24px;background:#dbe7ff;border-radius:3px 3px 0 0;position:relative;min-height:3px}
.bar-bot{position:absolute;left:0;right:0;bottom:0;background:var(--blue);border-radius:3px 3px 0 0}
.bar-col span{font-size:11px;color:var(--sub);white-space:nowrap}
.muted{color:var(--sub);font-size:13px}
.hint{font-size:12.5px;color:var(--sub);margin:10px 0 0}
.btn-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:12px}
label{display:block;font-size:13px;color:var(--sub);margin:12px 0 5px}
input[type=text],input[type=password],input[type=number],select,textarea{width:100%;background:var(--surface);border:1px solid var(--line);border-radius:7px;padding:9px 11px;font:inherit;font-size:14px;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 2px var(--blue-soft)}
textarea{resize:vertical;line-height:1.7}
input[type=checkbox]{width:auto;margin-right:6px;vertical-align:-1px}
.cb{display:inline-flex;align-items:center;margin:10px 16px 10px 0;color:var(--ink)}
.form-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.filter{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.filter input,.filter select{width:auto;min-width:170px;flex:0 1 auto}
.filter .btn{flex:0 0 auto}
.admin-table{width:100%;border-collapse:collapse;font-size:13.5px}
.admin-table th{text-align:left;background:#f8fafd;padding:10px 12px;border-bottom:1px solid var(--line);font-weight:600;color:var(--sub)}
.admin-table td{padding:10px 12px;border-bottom:1px solid #f0f3f8;vertical-align:top}
.admin-table tr:last-child td{border-bottom:none}
.admin-table.kv th{width:180px;background:none;border-bottom:1px solid #f0f3f8}
.admin-table.kv td{border-bottom:1px solid #f0f3f8}
.nowrap{white-space:nowrap}
.path,.ua,.hash{font-size:12px;color:var(--sub);word-break:break-all;max-width:260px}
.hash{display:block;font-family:Consolas,monospace}
.inline{display:inline}
.linkbtn{background:none;border:none;color:var(--blue);cursor:pointer;font:inherit;font-size:13.5px;padding:0}
.linkbtn.danger{color:var(--err)}
.pager{margin-top:14px;font-size:13px;color:var(--sub)}
.domain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.domain-card{padding:18px;margin:0}
.domain-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:6px}
.domain-head b{font-size:15px;word-break:break-all}
.domain-card label{margin-top:10px}
.btn.small{padding:5px 10px;font-size:12px}
.edit-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:16px;align-items:start}
.edit-side .admin-card{margin-bottom:14px}
.check-list{padding-left:20px;font-size:13.5px;color:var(--sub)}
.check-list li{margin:7px 0}
.check-list.ordered{color:var(--ink)}
.settings-form .admin-card{max-width:720px}
.settings-form pre{background:#f4f6fa;border:1px solid var(--line);border-radius:8px;padding:14px;font-size:12.5px;overflow-x:auto}
/* ---------- 关键词库 / AI 内容工厂 ---------- */
.group-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.chip{display:inline-block;background:var(--blue-soft);border:1px solid var(--blue-line);color:var(--blue);border-radius:16px;padding:3px 12px;font-size:12.5px}
.chip:hover{text-decoration:none;background:#e2ebff}
.chip b{font-weight:600}
.formula-item{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:9px 0;border-bottom:1px solid #f0f3f8;font-size:13.5px}
.formula-item:last-child{border-bottom:none}
.formula-item .btn{flex:0 0 auto}
.ai-result{margin-top:14px;white-space:pre-wrap;font-size:13px;line-height:1.7;border-radius:8px;padding:0}
.ai-result:not(:empty){padding:12px 14px;background:#f8fafd;border:1px solid var(--line)}
.ai-result.ok{background:var(--ok-soft);border-color:#bfe3d0;color:var(--ok)}
.ai-result.err{background:var(--err-soft);border-color:#f0c9c6;color:var(--err)}
.key-row{display:flex;gap:8px;align-items:center}
.key-row input{flex:1}
.key-row .btn{flex:0 0 auto}
.param-row{display:flex;gap:14px;flex-wrap:wrap}
.param-row>div{flex:1 1 180px;min-width:160px}
.prio-input{width:78px;padding:4px 6px;font-size:13px}
.settings-form.ai-form .admin-card{max-width:none}
.admin-card pre{background:#f4f6fa;border:1px solid var(--line);border-radius:8px;padding:14px;font-size:12.5px;overflow-x:auto;line-height:1.7}
#batch-log td{font-size:13px}
#batch-status{margin-bottom:10px}

.login-body{display:flex;align-items:center;justify-content:center;min-height:100vh}
.login-card{width:360px;max-width:92vw;padding:32px}
.login-card h1{font-size:24px;color:var(--blue)}
.login-card p{color:var(--sub);font-size:14px;margin-bottom:22px}
.login-card .btn{width:100%;margin-top:18px}
.login-card .hint{margin-top:18px}

@media(max-width:980px){
  .card-grid,.domain-grid{grid-template-columns:repeat(2,1fr)}
  .doc-layout,.edit-grid,.two-col{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .admin-side{width:170px;flex-basis:170px}
}
@media(max-width:680px){
  .wrap{padding:0 16px}
  .card-grid,.domain-grid,.stat-grid{grid-template-columns:1fr}
  .admin-shell{flex-direction:column}
  .admin-side{width:100%;flex-basis:auto;border-right:none;border-bottom:1px solid var(--line);padding:14px}
  .admin-nav{flex-direction:row;flex-wrap:wrap}
  .admin-side-foot{display:none}
  .admin-content{padding:16px}
  .doc{padding:20px}
}