:root{--h:37;--ah:232;--sat:58%;--lit:62%;--radius:20px;--space:1;--max:983px;--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 h1{max-width:14ch;font-size:clamp(50px,8vw,104px)}.hero-art{min-height:230px}.cards{grid-template-columns:1fr 1fr}
.card{border-width:1px 0 0;border-radius:0;background:transparent}.hero-art{border-radius:0}.topbar{border:0}.nav a{font-size:13px;text-transform:uppercase;letter-spacing:.12em}
h1,h2,.brand{font-family:Georgia,"Noto Serif SC","Songti SC",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 */
body {
  margin: 0;
  background: linear-gradient(180deg, #0F1115 0%, #15181F 55%, #1A1D24 100%);
  background-attachment: fixed;
  color: #F5F0EB;
  font-family: -apple-system, "Segoe UI", Roboto, "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px;
  background: rgba(15, 17, 21, 0.78);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 159, 28, 0.16);
}

.brand {
  font-family: "Playfair Display", "Source Han Serif SC", "Noto Serif SC", Georgia, serif;
  font-size: 22px;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand::before {
  content: "";
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #FF9F1C;
  box-shadow: 0 0 10px rgba(255, 159, 28, 0.7);
  flex-shrink: 0;
}

.nav {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav a {
  color: #E8D5C4;
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.nav a:hover,
.nav a:focus {
  color: #FF9F1C;
  border-bottom-color: rgba(255, 159, 28, 0.6);
}

.hero {
  display: flex;
  gap: 40px;
  align-items: stretch;
  max-width: 1240px;
  margin: 0 auto;
  padding: 44px 28px 60px;
  min-height: 72vh;
}

.hero-copy {
  flex: 0 0 55%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-copy .tag {
  display: inline-block;
  align-self: flex-start;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: #FF9F1C;
  border: 1px solid rgba(255, 159, 28, 0.5);
  border-radius: 3px;
  padding: 4px 10px;
  margin-bottom: 18px;
}

.hero-copy h1 {
  font-family: "Playfair Display", "Noto Serif SC", Georgia, serif;
  font-size: 40px;
  line-height: 1.18;
  color: #FFFFFF;
  margin: 0 0 18px;
}

.hero-copy p {
  font-size: 16px;
  line-height: 1.7;
  color: #E8D5C4;
  margin: 0 0 22px;
  max-width: 520px;
}

.hero-art {
  flex: 0 0 45%;
  background: radial-gradient(circle at 35% 45%, #232830, #11141A 70%);
  border: 1px solid rgba(255, 159, 28, 0.28);
  border-radius: 6px;
  min-height: 440px;
  position: relative;
  overflow: hidden;
}

.hero-art::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 40%, rgba(255, 159, 28, 0.38), transparent 58%);
}

.hero-art::after {
  content: "历史数据";
  position: absolute;
  bottom: 14px;
  right: 16px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: #E8D5C4;
  background: rgba(15, 17, 21, 0.7);
  border: 1px solid rgba(232, 213, 196, 0.25);
  border-radius: 3px;
  padding: 4px 8px;
}

.section {
  max-width: 1240px;
  margin: 0 auto;
  padding: 52px 28px;
}

.section h2 {
  font-family: "Playfair Display", "Noto Serif SC", Georgia, serif;
  font-size: 28px;
  color: #FFFFFF;
  margin: 0 0 28px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.card {
  background: rgba(26, 29, 36, 0.6);
  border: 1px solid rgba(58, 90, 120, 0.32);
  border-radius: 4px;
  padding: 22px;
  transition: transform 0.22s ease, border-color 0.22s ease;
}

.card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 159, 28, 0.55);
}

.card h3 {
  font-size: 17px;
  color: #FFFFFF;
  margin: 0 0 8px;
}

.card p {
  font-size: 14px;
  line-height: 1.55;
  color: #E8D5C4;
  margin: 0;
}

.card .num {
  font-family: "Barlow Condensed", "Roboto Condensed", ui-monospace, monospace;
  color: #FF9F1C;
  font-size: 15px;
  letter-spacing: 0.04em;
}

.article {
  max-width: 780px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

.article h1 {
  font-family: "Playfair Display", "Noto Serif SC", Georgia, serif;
  font-size: 34px;
  line-height: 1.25;
  color: #FFFFFF;
  margin: 12px 0 16px;
}

.article .meta {
  font-size: 13px;
  color: #8A8780;
  margin-bottom: 28px;
}

.article-body {
  font-size: 18px;
  line-height: 1.78;
  color: #E8E3DD;
}

.article-body h2 {
  font-family: "Playfair Display", "Noto Serif SC", Georgia, serif;
  font-size: 24px;
  color: #FFFFFF;
  margin: 2em 0 0.7em;
}

.article-body p {
  margin: 0 0 1.5em;
}

.article-body blockquote {
  margin: 1.5em 0;
  padding: 4px 18px;
  border-left: 3px solid #FF9F1C;
  color: #E8D5C4;
  background: rgba(255, 159, 28, 0.05);
}

.article-body code,
.article-body .data {
  font-family: "Barlow Condensed", ui-monospace, monospace;
  color: #FF9F1C;
}

.lead {
  font-size: 20px;
  line-height: 1.7;
  color: #F5F0EB;
  border-left: 3px solid #FF9F1C;
  padding-left: 16px;
  margin: 0 0 2em;
}

.button {
  display: inline-block;
  padding: 12px 28px;
  border: 1px solid #FF9F1C;
  border-radius: 4px;
  color: #FF9F1C;
  text-decoration: none;
  font-size: 15px;
  letter-spacing: 0.05em;
  background: transparent;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
}

.button:hover {
  background: #FF9F1C;
  color: #0F1115;
  box-shadow: 0 0 18px rgba(255, 159, 28, 0.35);
}

footer {
  border-top: 1px solid rgba(255, 159, 28, 0.14);
  padding: 40px 28px;
  text-align: center;
  color: #8A8780;
  font-size: 13px;
  line-height: 1.6;
}

footer a {
  color: #3A5A78;
  text-decoration: none;
}

footer a:hover {
  color: #FF9F1C;
}

@media (min-width: 769px) and (max-width: 1199px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .hero-copy, .hero-art { flex: 1; }
  .hero-copy h1 { font-size: 34px; }
}

@media (max-width: 768px) {
  .topbar { padding: 12px 16px; }
  .nav { display: none; }
  .hero {
    flex-direction: column;
    padding: 22px 16px 36px;
    min-height: auto;
    gap: 18px;
  }
  .hero-copy { order: 2; flex: none; }
  .hero-art { order: 1; flex: none; min-height: 200px; }
  .hero-copy h1 { font-size: 26px; }
  .hero-copy p { font-size: 15px; }
  .section { padding: 36