:root{--h:214;--ah:354;--sat:68%;--lit:61%;--radius:9px;--space:1.25;--max:1082px;--bg:hsl(var(--h) 34% 8%);--panel:hsl(var(--h) 25% 13%);--ink:hsl(var(--h) 20% 96%);--muted:hsl(var(--h) 14% 70%);--accent:hsl(var(--ah) var(--sat) var(--lit));--line:hsl(var(--h) 20% 28%)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.75 system-ui,-apple-system,"Microsoft YaHei",sans-serif}body.light{--bg:hsl(var(--h) 35% 96%);--panel:white;--ink:hsl(var(--h) 35% 11%);--muted:hsl(var(--h) 12% 38%);--line:hsl(var(--h) 18% 82%)}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button{cursor:pointer}.shell{width:min(var(--max),92vw);margin:auto}.topbar{display:flex;align-items:center;gap:22px;padding:20px 0;border-bottom:1px solid var(--line);position:relative;z-index:4}.brand{font-weight:900;letter-spacing:.06em;margin-right:auto}.nav{display:flex;gap:18px;align-items:center}.nav a,.tool{color:var(--muted)}.tool{border:1px solid var(--line);background:var(--panel);border-radius:999px;padding:7px 11px}.nav-toggle{display:none;align-items:center;justify-content:center;line-height:1}.nav-backdrop{display:none;position:fixed;inset:0;background:#0008;z-index:15}.nav-backdrop.open{display:block}.hero{position:relative;display:grid;gap:clamp(28px,5vw,70px);align-items:center;padding:calc(54px * var(--space)) 0;overflow:hidden}.hero-copy{position:relative}.eyebrow,.kicker{color:var(--accent);font-weight:800;letter-spacing:.15em;text-transform:uppercase}h1{font-size:clamp(38px,5.2vw,70px);line-height:1.08;letter-spacing:-.035em;margin:14px 0 22px;overflow-wrap:anywhere}h2{line-height:1.25}.lead{font-size:clamp(17px,2vw,20px);color:var(--muted);max-width:780px}.hero-art{min-height:360px;border:1px solid var(--line);border-radius:calc(var(--radius) + 12px);background:linear-gradient(145deg,color-mix(in srgb,var(--accent) 22%,transparent),var(--panel));overflow:hidden;display:grid;place-items:center;position:relative}.hero-art img{width:100%;height:100%;object-fit:cover}.section{padding:calc(44px * var(--space)) 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}.section-head p,.muted{color:var(--muted)}.cards{display:grid;gap:18px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:calc(25px * var(--space));transition:transform .2s,border-color .2s}.card:hover{transform:translateY(-3px);border-color:var(--accent)}.card-index{font-weight:900;color:var(--accent)}.card p{color:var(--muted)}.article{width:min(760px,92vw);margin:auto;padding:56px 0}.article h1{font-size:clamp(34px,5vw,58px)}.article-figure{margin:24px 0;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}.article-figure img{width:100%;display:block;object-fit:cover;max-height:420px}.article-body{font-size:18px}.article-body p{margin:1.2em 0}.crumbs{color:var(--muted);font-size:14px}.actions{display:flex;gap:10px;flex-wrap:wrap;margin:28px 0}.button{display:inline-block;background:var(--accent);color:hsl(var(--h) 40% 8%);border:0;border-radius:999px;padding:10px 17px;font-weight:800}.button.secondary{background:var(--panel);color:var(--ink);border:1px solid var(--line)}details{padding:16px 0;border-bottom:1px solid var(--line)}summary{font-weight:750;cursor:pointer}.search-layer{position:fixed;inset:0;background:#000b;z-index:20;display:none;padding:8vh 5vw}.search-layer.open{display:block}.search-box{max-width:760px;margin:auto;background:var(--panel);border:1px solid var(--line);padding:24px;border-radius:var(--radius)}.search-box input,.form input,.form textarea{width:100%;border:1px solid var(--line);background:var(--bg);color:var(--ink);border-radius:8px;padding:12px}.result{display:block;padding:14px 0;border-bottom:1px solid var(--line)}.form{display:grid;gap:14px;max-width:680px}.form label{display:grid;gap:5px}.hp{position:absolute;left:-9999px}footer{border-top:1px solid var(--line);padding:28px 0 40px;color:var(--muted);margin-top:50px}.hero{grid-template-columns:1fr}.hero-art{min-height:260px}.cards{grid-template-columns:repeat(3,1fr)}.card:nth-child(4){grid-column:span 2}
.card,.hero-art{background:transparent;border-width:2px}.topbar{align-items:flex-start}.nav{border-left:1px solid var(--line);padding-left:20px}
h1,h2,.brand{font-family:"Arial Narrow","Microsoft YaHei",system-ui,sans-serif}h1{font-size:clamp(36px,4.3vw,58px);line-height:1.1;letter-spacing:-.025em}
@media(max-width:800px){.nav-toggle{display:inline-flex}.nav{position:fixed;top:0;right:-100%;bottom:0;width:min(80vw,320px);flex-direction:column;align-items:flex-start;gap:22px;padding:88px 26px 26px;background:var(--panel);border-left:1px solid var(--line);transition:right .25s ease;z-index:16}.nav.open{right:0}.nav a{display:block;font-size:16px}.hero,.cards,.card{grid-template-columns:1fr!important}.card{grid-column:auto!important;transform:none!important}.hero-art{min-height:260px;position:relative}h1{font-size:clamp(32px,9vw,46px)}}

/* AI-generated per-site template layer */
:root{
  --bg:#F6F5F2;
  --ink:#2B2B2B;
  --mute:#7A7770;
  --accent:#B23A3A;
  --line:#D9D6D0;
  --outline:#C9C5BE;
  --soft:#EFEDE8;
  --rail:220px;
}
body{
  background:var(--bg);
  color:var(--ink);
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.65;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
.topbar{
  position:sticky;
  top:0;
  width:var(--rail);
  height:100vh;
  background:linear-gradient(180deg,#FBFAF8,#F1EFEA);
  border-right:1px solid var(--line);
  padding:28px 20px;
  box-sizing:border-box;
  display:flex;
  flex-direction:column;
  gap:26px;
  z-index:20;
}
.brand{
  display:flex;
  flex-direction:column;
  gap:6px;
  padding-bottom:18px;
  border-bottom:2px solid var(--ink);
}
.brand strong{
  font-family:"Arial Narrow","PingFang SC",sans-serif;
  font-weight:700;
  font-size:19px;
  letter-spacing:.02em;
  line-height:1.15;
}
.brand strong::before{
  content:"";
  display:inline-block;
  width:10px;height:10px;
  background:var(--accent);
  margin-right:8px;
  transform:translateY(-1px);
}
.brand span{
  font-size:12px;
  color:var(--mute);
  line-height:1.4;
}
.nav{
  display:flex;
  flex-direction:column;
  gap:2px;
}
.nav a{
  display:flex;
  align-items:center;
  gap:10px;
  min-height:44px;
  padding:11px 12px;
  font-size:15px;
  color:var(--ink);
  text-decoration:none;
  border-left:2px solid transparent;
  border-radius:4px;
  transition:border-color .2s,background .2s,color .2s;
}
.nav a::before{
  content:"";
  width:6px;height:6px;
  background:var(--outline);
  flex:none;
}
.nav a:hover{
  background:var(--soft);
  border-left-color:var(--accent);
}
.nav a.on{
  border-left-color:var(--accent);
  color:var(--accent);
  font-weight:600;
  background:#F4F1EC;
}
.nav a.on::before{background:var(--accent);}

.hero{
  display:grid;
  grid-template-columns:1.65fr 1fr;
  gap:24px;
  align-items:stretch;
  padding:36px 40px 8px;
  margin-bottom:8px;
}
.hero-copy{
  grid-column:1;
  background:#FFFFFF;
  border:1px solid var(--outline);
  border-left:4px solid var(--accent);
  padding:26px 30px;
  display:flex;
  flex-direction:column;
  gap:14px;
  border-radius:2px;
}
.hero-copy .tag{
  display:inline-flex;
  gap:8px;
  font-size:12px;
  color:var(--mute);
  letter-spacing:.08em;
}
.hero-copy .tag b{
  color:var(--accent);
  font-weight:600;
}
.hero-copy h1{
  font-family:"Arial Narrow","PingFang SC",sans-serif;
  font-weight:700;
  font-size:30px;
  line-height:1.22;
  margin:0;
  letter-spacing:.01em;
}
.hero-copy p{
  margin:0;
  color:#4A4742;
  font-size:15px;
  line-height:1.7;
}
.hero-copy .meta{
  display:flex;
  gap:18px;
  flex-wrap:wrap;
  font-size:12px;
  color:var(--mute);
  padding-top:12px;
  border-top:1px dashed var(--line);
}
.hero-art{
  grid-column:2;
  display:grid;
  grid-template-rows:auto 1fr 1fr;
  gap:16px;
}
.hero-art .scorecard{
  background:var(--ink);
  color:#F6F5F2;
  padding:18px 20px;
  border-radius:2px;
  display:flex;
  flex-direction:column;
  gap:8px;
}
.hero-art .scorecard .row{
  display:flex;
  justify-content:space-between;
  align-items:baseline;
  font-family:"Arial Narrow",sans-serif;
  font-size:18px;
}
.hero-art .scorecard .row b{
  font-size:26px;
  color:#fff;
}
.hero-art .scorecard .row span{
  color:#B6B2AB;
  font-size:12px;
}
.hero-art .scorecard .lbl{
  font-size:11px;
  color:var(--accent);
  letter-spacing:.1em;
}
.metric{
  background:#FFF;
  border:1px solid var(--outline);
  padding:16px 18px;
  border-radius:2px;
  display:flex;
  flex-direction:column;
  gap:4px;
  transition:border-color .2s,transform .2s;
}
.metric:hover{border-color:var(--accent);transform:translateY(-2px);}
.metric .k{font-size:12px;color:var(--mute);}
.metric .v{
  font-family:"Arial Narrow",sans-serif;
  font-weight:700;
  font-size:24px;
  color:var(--ink);
}
.metric .v em{
  font-style:normal;
  color:var(--accent);
  font-size:14px;
  margin-left:4px;
}

.section{
  padding:34px 40px;
  border-top:1px solid var(--line);
}
.section:first-of-type{border-top:none;}
.section-head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  margin-bottom:22px;
  gap:12px;
}
.section-head h2{
  font-family:"Arial Narrow","PingFang SC",sans-serif;
  font-weight:700;
  font-size:22px;
  margin:0;
  letter-spacing:.02em;
  display:flex;
  align-items:center;
  gap:10px;
}
.section-head h2::before{
  content:"";
  width:18px;height:3px;
  background:var(--accent);
  display:inline-block;
}
.section-head .more{
  font-size:13px;
  color:var(--mute);
  text-decoration:none;
  border-bottom:1px solid var(--line);
  padding-bottom:1px;
}
.section-head .more:hover{color:var(--accent);border-color:var(--accent);}

.cards{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.card{
  background:#FFF;
  border:1px solid var(--outline);
  border-radius:2px;
  padding:20px;
  display:flex;
  flex-direction:column;
  gap:10px;
  text-decoration:none;
  color:inherit;
  transition:border-color .2s,transform .2s,box-shadow .2s;
}
.card:hover{
  border-color:var(--accent);
  transform:translateY(-3px);
  box-shadow:0 8px 20px rgba(43,43,43,.06);
}
.card .thumb{
  height:120px;
  background:linear-gradient(135deg,#E9E6E0,#D8D4CC);
  border:1px solid var(--line);
  border-radius:2px;
  margin:-20px -20px 4px;
  position:relative;
}
.card .thumb::after{
  content:" ";
  position:absolute;
  left:16px;bottom:14px;
  width:22px;height:22px;
  border:2px solid var(--accent);
  border-radius:50%;
}
.card .cat{
  font-size:11px;
  color:var(--accent);
  letter-spacing:.1em;
  font-weight:600;
}
.card h3{
  font-family:"Arial Narrow","PingFang SC",sans-serif;
  font-weight:700;
  font-size:18px;
  line-height:1.3;
  margin:0;
}
.card p{
  margin:0;
  font-size:13px;
  color:var(--mute);
  line-height:1.6;
}
.card .f{
  margin-top:auto;
  font-size:12px;
  color:#9A968E;
  display:flex;
  gap:10px;
}

.faq{display:flex;flex-direction:column;gap:0;border:1px solid var(--outline);border-radius:2px;background:#FFF;}
.faq-item{border-bottom:1px solid var(--line);padding:16px 20px;}
.faq-item:last-child{border-bottom:none;}
.faq-item summary{
  cursor:pointer;
  font-weight:600;
  font-size:15px;
  list-style:none;
  display:flex;
  justify-content:space-between;
  align-items:center;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  color:var(--accent);
  font-weight:700;
}
.faq-item[open] summary::after{content:"−";}
.faq-item p{margin:8px 0 0;color:#4A4742;font-size:14px;line-height:1.7;}
.faq-item p b{color:var(--accent);}

.latest{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line);}
.latest a{
  display:flex;
  gap:16px;
  padding:14px 4px;
  border-bottom:1px solid var(--line);
  text-decoration:none;
  color:inherit;
  align-items:baseline;
}
.latest a:hover .t{color:var(--accent);}
.latest .d{
  font-family:"Arial Narrow",sans-serif;
  color:var(--mute);
  font-size:13px;
  flex:none;
  width:92px;
}
.latest .c{
  font-size:11px;
  color:var(--accent);
  flex:none;
  width:72px;
}
.latest .t{font-size:15px;line-height:1.5;transition:color .2s;}

.article{
  max-width:740px;
  margin:0 auto;
  padding:32px 40px 60px;
}
.crumb{
  font-size:12px;
  color:var(--mute);
  margin-bottom:14px;
  display:flex;
  gap:6px;
  flex-wrap:wrap;
}
.crumb a{color:var(--mute);text-decoration:none;}
.crumb a:hover{color:var(--accent);}
.crumb .sep{color:var(--outline);}
.article h1{
  font-family:"Arial Narrow","PingFang SC",sans-serif;
  font-weight:700;
  font-size:32px;
  line-height:1.2;
  margin:0 0 12px;
  letter-spacing:.01em;
}
.lead{
  font-size:18px;
  color:#4A4742;
  line-height:1.7;
  margin:0 0 18px;
  padding-left:14px;
  border-left:3px solid var(--accent);
}
.article-meta{
  display:flex;
  gap:18px;
  flex-wrap:wrap;
  font-size:12px;
  color:var(--mute);
  padding-bottom:20px;
  border-bottom:1px solid var(--line);
  margin-bottom:26px;
}
.article-meta b{color:var(--accent);font-weight:600;}
.article-body{font-size:16px;line-height:1.8;color:#33312D;}
.article-body p{margin:0 0 1.1em;}
.article-body h2{
  font-family:"Arial Narrow","PingFang SC",sans-serif;
  font-weight:700;
  font-size:22px;
  margin:1.8em 0 .7em;
  padding-left:12px;
  border-left:3px solid var(--accent);
}
.article-body h3{
  font-size:17px;font-weight:700;
  margin:1.4em 0 .5em;
  color:var(--ink);
}
.article-body blockquote{
  margin:1.2em 0;
  padding:12px 18px;
  background:var(--soft);
  border-left:3px solid var(--ink);
  color:#4A4742;
  font-size:15px;
}
.article-body ul,.article-body ol{margin:0 0 1.1em;padding-left:1.4em;}
.article-body li{margin:.3em 0;}
.article-body figure{margin:1.4em 0;}
.article-body figcaption{
  font-size:12px;color:var(--mute);
  margin-top:6px;text-align:center;
}
.data-table{
  width:100%;
  border-collapse:collapse;
  font-size:14px;
  margin:1.2em 0;
}
.data-table th,.data-table td{
  border:1px solid var(--line);
  padding:9px 12px;
  text-align:center;
}
.data-table th{background:var(--soft);font-weight:600;}
.data-table td.h{color:var(--accent);font-weight:700;}
.kp{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:10px;
  margin:1.2em 0;
}
.kp div{
  border:1px solid var(--outline);
  padding:12px 14px;
  background:#FFF;
}
.kp .k{font-size:12px;color:var(--mute);}
.kp .v{font-family:"Arial Narrow",sans-serif;font-weight:700;font-size:20px;}
.related{
  margin-top:40px;
  padding-top:20px;
  border-top:2px solid var(--ink);
}
.related h4{
  font-family:"Arial Narrow",sans-serif;
  font-size:16px;margin:0 0 10px;
}
.related a{
  display:block;
  padding:8px 0;
  border-bottom:1px dashed var(--line);
  text-decoration:none;color:inherit;font-size:14px;
}
.related a:hover{color:var(--accent);}

.button{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 20px;
  border:1px solid var(--ink);
  background:var(--ink);
  color:#F6F5F2;
  text-decoration:none;
  font-size:14px;
  border-radius:2px;
  transition:background .2s,border-color .2s,color .2s;
  min-height:44px;
  box-sizing:border-box;
}
.button:hover{
  background:var(--accent);
  border-color:var(--accent);
}
.button.ghost{
  background:transparent;
  color:var(--ink);
}
.button.ghost:hover{
  color:#F6F5F2;
  background:var(--accent);
  border-color:var(--accent);
}

footer{
  border-top:1px solid var(--line);
  background:#F1EFEA;
  padding:30px 40px;
  display:flex;
  flex-wrap:wrap;
  gap:24px;
  justify-content:space-between;
  font-size:13px;
  color:var(--mute);
}
footer nav{display:flex;gap:18px;flex-wrap:wrap;}
footer a{color:var(--mute);text-decoration:none;}
footer a:hover{color:var(--accent);}
footer .note{max-width:420px;line-height:1.6;}

@media (max-width:768px){
  body{font-size:15px;}
  .topbar{
    position:sticky;
    top:0;
    width:100%;
    height:auto;
    flex-direction:row;
    align-items:center;
    justify-content:space-between;
    padding:10px 14px;
    gap:12px;
    border-right:none;
    border-bottom:1px solid var(--line);
  }
  .brand{
    padding:0;
    border:none;
    gap:2px;
    flex:none;
  }
  .brand strong{font-size:15px;}
  .brand strong::before{width:8px;height:8px;margin-right:6px;}
  .brand span{display:none;}
  .nav{
    flex-direction:row;
    overflow-x:auto;
    gap:4px;
    -webkit-overflow-scrolling:touch;
    scrollbar-width:none;
    flex:1;
  }
  .nav::-webkit-scrollbar{display:none;}
  .nav a{
    min-height:40px;
    padding:9px 12px;
    font-size:14px;
    white-space:nowrap;
    border-left:none;
    border-bottom:2px solid transparent;
  }
  .nav a::before{display:none;}
  .nav a.on{
    border-left:none;
    border-bottom-color:var(--accent);
    background:transparent;
  }
  .hero{
    grid-template-columns:1fr;
    padding:18px 16px 4px;
    gap