:root{--h:214;--ah:354;--sat:77%;--lit:61%;--radius:12px;--space:1;--max:1072px;--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}.shell{max-width:980px}.hero{grid-template-columns:1fr}.cards{grid-template-columns:repeat(2,1fr)}.card{border-left:4px solid var(--accent)}
.card,.hero-art{background:var(--panel);box-shadow:0 18px 50px #0003}.topbar{align-items:flex-start}.nav{border-left:1px solid var(--line);padding-left:20px}
h1,h2,.brand{font-family:Inter,system-ui,"Microsoft YaHei",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 */
body {
  margin: 0;
  background: #141416;
  color: #f2f2f2;
  font-family: "DIN Pro", "Inter", "Segoe UI", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  font-feature-settings: "tnum" 1;
  display: grid;
  grid-template-columns: 216px 1fr;
  grid-template-rows: 52px 1fr auto;
  min-height: 100vh;
  gap: 0;
}
.topbar {
  grid-column: 1 / -1;
  grid-row: 1;
  background: #1e1e22;
  border-bottom: 1px solid #25252a;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  position: sticky;
  top: 0;
  z-index: 100;
}
.brand {
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0.04em;
  white-space: nowrap;
  text-transform: uppercase;
}
.brand b {
  color: #c9a45c;
}
.nav {
  grid-column: 1;
  grid-row: 2;
  background: #1e1e22;
  border-right: 1px solid #25252a;
  padding: 14px 0;
  position: sticky;
  top: 52px;
  height: calc(100vh - 52px);
  overflow-y: auto;
}
.nav a {
  display: block;
  padding: 10px 18px;
  color: #a7a7b3;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  border-left: 3px solid transparent;
}
.nav a:hover, .nav a.active {
  color: #f2f2f2;
  background: #25252a;
  border-left-color: #d84a3a;
}
.hero {
  grid-column: 2;
  grid-row: 2;
  padding: 28px 24px 20px;
  background: #141416;
  border-bottom: 1px solid #25252a;
}
.hero-copy {
  max-width: 720px;
}
.hero-copy h1 {
  font-size: 26px;
  font-weight: 800;
  margin: 0 0 6px;
  letter-spacing: -0.01em;
}
.hero-copy p {
  color: #a7a7b3;
  font-size: 14px;
  margin: 0 0 18px;
}
.hero-copy .kw {
  color: #c9a45c;
  font-weight: 700;
}
.hero-art {
  margin-top: 14px;
  background: #1e1e22;
  border: 1px solid #25252a;
  border-radius: 8px;
  padding: 16px 18px;
  display: flex;
  align-items: center;
  gap: 16px;
  overflow: hidden;
}
.hero-art .sc {
  font-size: 30px;
  font-weight: 900;
  color: #c9a45c;
  font-feature-settings: "tnum" 1;
  letter-spacing: 0.02em;
}
.hero-art .hint {
  font-size: 13px;
  color: #a7a7b3;
}
.section {
  grid-column: 2;
  padding: 24px 24px 28px;
  border-bottom: 1px solid #25252a;
}
.section h2 {
  font-size: 18px;
  font-weight: 800;
  margin: 0 0 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.section h2 .num {
  color: #d84a3a;
  font-size: 13px;
  font-weight: 700;
}
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.card {
  background: #1e1e22;
  border: 1px solid #25252a;
  border-radius: 8px;
  padding: 16px 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.card h3 {
  font-size: 15px;
  font-weight: 700;
  margin: 0;
}
.card p {
  color: #a7a7b3;
  font-size: 13px;
  line-height: 1.5;
  margin: 0;
  flex: 1;
}
.card .tag {
  color: #c9a45c;
  font-weight: 700;
  font-size: 12px;
}
.card a {
  color: #c9a45c;
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
}
.card .step {
  font-size: 11px;
  color: #d84a3a;
  font-weight: 800;
  letter-spacing: 0.08em;
}
.article {
  max-width: 740px;
  margin: 0 auto;
  padding: 32px 24px 48px;
  grid-column: 2;
}
.article-body {
  font-size: 16px;
  line-height: 1.8;
  color: #f2f2f2;
}
.article-body h2 {
  font-size: 20px;
  font-weight: 800;
  margin: 28px 0 12px;
  border-left: 3px solid #c9a45c;
  padding-left: 12px;
}
.article-body h3 {
  font-size: 17px;
  font-weight: 700;
  margin: 22px 0 8px;
}
.article-body p {
  margin: 0 0 16px;
}
.article-body strong {
  color: #d84a3a;
  font-weight: 700;
}
.article-body code {
  background: #25252a;
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 14px;
  font-feature-settings: "tnum" 1;
  color: #c9a45c;
}
.lead {
  font-size: 18px;
  line-height: 1.65;
  color: #f2f2f2;
  border-left: 3px solid #d84a3a;
  padding: 4px 0 4px 16px;
  margin: 0 0 24px;
  font-weight: 600;
}
.button {
  display: inline-block;
  padding: 9px 20px;
  background: #c9a45c;
  color: #141416;
  text-decoration: none;
  font-weight: 800;
  font-size: 14px;
  border-radius: 5px;
  letter-spacing: 0.02em;
}
footer {
  grid-column: 1 / -1;
  background: #1e1e22;
  border-top: 1px solid #25252a;
  padding: 20px 24px;
  color: #a7a7b3;
  font-size: 13px;
  line-height: 1.6;
}
footer a {
  color: #c9a45c;
  text-decoration: none;
  margin-right: 14px;
}
@media (max-width: 760px) {
  body {
    grid-template-columns: 1fr;
    grid-template-rows: 48px auto 1fr auto;
  }
  .topbar {
    height: 48px;
    padding: 0 14px;
    flex-wrap: wrap;
  }
  .brand {
    font-size: 13px;
  }
  .nav {
    grid-column: 1;
    grid-row: 2;
    position: static;
    height: auto;
    border-right: none;
    border-bottom: 1px solid #25252a;
    padding: 6px 8px;
    display: flex;
    overflow-x: auto;
    gap: 2px;
    -webkit-overflow-scrolling: touch;
  }
  .nav a {
    padding: 7px 12px;
    border-left: none;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
    font-size: 13px;
  }
  .nav a:hover, .nav a.active {
    border-left: none;
    border-bottom-color: #d84a3a;
    background: transparent;
  }
  .hero, .section, .article {
    grid-column: 1;
    padding: 18px 14px;
  }
  .hero-copy h1 {
    font-size: 21px;
  }
  .hero-copy p {
    font-size: 13px;
    margin-bottom: 12px;
  }
  .hero-art {
    padding: 12px 14px;
    gap: 10px;
  }
  .hero-art .sc {
    font-size: 24px;
  }
  .section h2 {
    font-size: 16px;
  }
  .cards {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .article-body {
    font-size: 15px;
    line-height: 1.75;
  }
  .article-body h2 {
    font-size: 18px;
  }
  .lead {
    font-size: 16px;
    padding-left: 12px;
  }
  .button {
    font-size: 13px;
    padding: 8px 16px;