:root{--h:225;--ah:8;--sat:74%;--lit:55%;--radius:12px;--space:1.25;--max:1134px;--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:.8fr 1.2fr}.cards{grid-template-columns:repeat(2,1fr)}.card:nth-child(3n){grid-column:1/-1}
.card{border-width:1px 0 0;border-radius:0;background:transparent}.hero-art{border-radius:0}.topbar{align-items:flex-start}.nav{border-left:1px solid var(--line);padding-left:20px}
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 {
  --paper: #FAF7F2;
  --ink: #1F1B16;
  --ink-soft: #534B40;
  --coral: #E85D3F;
  --cream: #F1ECE2;
  --rule: #DDD5C6;
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 212px;
  background: var(--paper);
  border-right: 1px solid var(--rule);
  padding: 28px 22px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  gap: 26px;
  overflow-y: auto;
  z-index: 40;
}
.brand {
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.5px;
  color: var(--ink);
  border-bottom: 2px solid var(--ink);
  padding-bottom: 14px;
}
.brand::after {
  content: "把每一分的背后逻辑讲清楚。";
  display: block;
  font-family: "PingFang SC", sans-serif;
  font-size: 11px;
  font-weight: 400;
  color: var(--ink-soft);
  letter-spacing: 1px;
  margin-top: 8px;
}
.nav {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 13.5px;
}
.nav li {
  padding: 9px 10px;
  border-left: 2px solid transparent;
  color: var(--ink);
  transition: all 0.2s;
}
.nav li:hover {
  background: var(--cream);
  border-left-color: var(--coral);
  color: var(--coral);
}
.nav li.active {
  border-left-color: var(--coral);
  color: var(--coral);
  font-weight: 600;
}
.hero {
  margin-left: 212px;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 0;
  align-items: stretch;
  border-bottom: 1px solid var(--rule);
  min-height: 78vh;
}
.hero-copy {
  padding: 60px 64px 56px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-right: 1px solid var(--rule);
}
.hero-copy h1 {
  font-family: "Noto Serif SC", serif;
  font-size: 46px;
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 22px;
  letter-spacing: -0.5px;
}
.hero-art {
  background: linear-gradient(135deg, #2A2520 0%, #1F1B16 60%, #3A2B26 100%);
  position: relative;
  min-height: 78vh;
  overflow: hidden;
}
.hero-art::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 70% 35%, rgba(232,93,63,0.28), transparent 55%),
    repeating-linear-gradient(0deg, transparent 0 38px, rgba(250,247,242,0.04) 38px 39px);
}
.hero-art::after {
  content: "VNL · 深度观察";
  position: absolute;
  bottom: 28px;
  right: 32px;
  color: rgba(250,247,242,0.55);
  font-size: 11px;
  letter-spacing: 4px;
  font-family: monospace;
}
.section {
  padding: 64px 64px 72px;
  margin-left: 212px;
  border-bottom: 1px solid var(--rule);
}
.section h2 {
  font-family: "Noto Serif SC", serif;
  font-size: 28px;
  font-weight: 700;
  margin: 0 0 8px;
}
.section h2::before {
  content: "— ";
  color: var(--coral);
}
.cards {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  margin-top: 32px;
}
.card {
  background: #fff;
  border: 1px solid var(--rule);
  padding: 22px 18px 20px;
  border-radius: 2px;
  position: relative;
  transition: transform 0.2s, box-shadow 0.2s;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(31,27,22,0.08);
}
.card::before {
  content: "";
  display: block;
  width: 28px;
  height: 2px;
  background: var(--coral);
  margin-bottom: 14px;
}
.card h3 {
  font-family: "Noto Serif SC", serif;
  font-size: 16px;
  margin: 0 0 8px;
}
.card p {
  font-size: 12.5px;
  color: var(--ink-soft);
  margin: 0;
  line-height: 1.6;
}
.article {
  margin-left: 212px;
  max-width: 760px;
  padding: 56px 64px 80px;
}
.article h1 {
  font-family: "Noto Serif SC", serif;
  font-size: 34px;
  line-height: 1.25;
  margin: 18px 0 14px;
  font-weight: 700;
}
.article-body {
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink);
}
.article-body p {
  margin: 0 0 22px;
  text-align: justify;
}
.article-body p:first-of-type::first-letter {
  font-family: "Noto Serif SC", serif;
  font-size: 52px;
  float: left;
  line-height: 0.9;
  padding: 6px 10px 0 0;
  color: var(--coral);
  font-weight: 700;
}
.article-body h3 {
  font-family: "Noto Serif SC", serif;
  font-size: 20px;
  margin: 36px 0 14px;
  border-left: 3px solid var(--coral);
  padding-left: 12px;
}
.lead {
  font-size: 18px;
  line-height: 1.7;
  color: var(--ink-soft);
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--rule);
  padding: 16px 0;
  margin: 0 0 32px;
  font-weight: 500;
}
.button {
  display: inline-block;
  background: var(--coral);
  color: #fff;
  padding: 12px 26px;
  font-size: 13px;
  letter-spacing: 1px;
  border-radius: 1px;
  text-decoration: none;
  font-weight: 600;
  border: none;
  transition: background 0.2s;
}
.button:hover {
  background: var(--ink);
}
footer {
  margin-left: 212px;
  background: var(--ink);
  color: rgba(250,247,242,0.7);
  padding: 48px 64px 36px;
  font-size: 12px;
  line-height: 1.8;
}
footer a {
  color: var(--coral);
  text-decoration: none;
}
@media (max-width: 880px) {
  .topbar {
    position: sticky;
    top: 0;
    width: 100%;
    height: 56px;
    flex-direction: row;
    align-items: center;
    padding: 0 18px;
    gap: 14px;
    border-right: none;
    border-bottom: 1px solid var(--rule);
    overflow: visible;
  }
  .brand {
    border-bottom: none;
    font-size: 15px;
    padding-bottom: 0;
    flex: 1;
  }
  .brand::after {
    display: none;
  }
  .nav {
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--rule);
    padding: 10px 18px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s;
    box-shadow: 0 8px 16px rgba(31,27,22,0.08);
  }
  .nav.open {
    max-height: 420px;
  }
  .hero, .section, .article, footer {
    margin-left: 0;
  }
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .hero-art {
    min-height: 180px;
  }
  .hero-copy {
    padding: 32px 22px 36px;
    border-right: none;
    border-bottom: 1px solid var(--rule);
  }
  .hero-copy h1 {
    font-size: 28px;
  }
  .section {
    padding: 40px 22px 48px;
  }
  .cards {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .article {
    padding: 32px 22px 56px;
    max-width: 100%;
  }
  .article h1 {
    font-size: 24px;
  }
  .article-body {
    font-size: 15px;
  }
  .lead {
    font-size: 16px;
  }
  footer {
    padding: 32px 22px;
  }
}
@media (max-width: 480px) {
  .cards {
    grid-template-columns: 1fr;
  }
  .hero-copy h1 {
    font-size: 24px;
  }
}