:root{
  --bg:#f8fafc;
  --surface:#ffffff;
  --text:#0f172a;
  --muted:#475569;
  --line:#e2e8f0;
  --brand:#0f172a;
  --brand-2:#6366f1;
  --radius:18px;
  --shadow:0 10px 30px rgba(15,23,42,.08);
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.65;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--max);margin:0 auto;padding:0 20px}
.site-header{
  position:sticky;top:0;z-index:20;
  background:rgba(248,250,252,.88);
  backdrop-filter: blur(12px);
  border-bottom:1px solid rgba(226,232,240,.8)
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:74px}
.brand{font-weight:800;font-size:1.15rem;letter-spacing:-.02em}
.brand small{display:block;font-weight:500;color:var(--muted);font-size:.8rem}
.nav{display:flex;flex-wrap:wrap;gap:14px}
.nav a{padding:10px 14px;border-radius:999px;color:var(--muted)}
.nav a:hover,.nav a.active{background:#fff;color:var(--text);box-shadow:var(--shadow)}
.hero{padding:48px 0 28px}
.hero-grid{display:grid;grid-template-columns:1.25fr .95fr;gap:24px;align-items:stretch}
.card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow)
}
.hero-main{padding:36px}
.eyebrow{display:inline-flex;gap:8px;align-items:center;padding:8px 12px;border-radius:999px;background:#eef2ff;color:#3730a3;font-weight:700;font-size:.8rem}
h1{font-size:clamp(2.2rem,4.5vw,4rem);line-height:1.05;letter-spacing:-.04em;margin:18px 0 14px}
h2{font-size:clamp(1.5rem,2vw,2rem);line-height:1.15;letter-spacing:-.03em;margin:0 0 14px}
h3{font-size:1.15rem;line-height:1.25;margin:0 0 10px}
p{margin:0 0 16px;color:var(--muted)}
.lead{font-size:1.1rem;color:#334155}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.btn{display:inline-block;padding:12px 18px;border-radius:999px;font-weight:700}
.btn-primary{background:var(--brand);color:#fff}
.btn-secondary{background:#fff;border:1px solid var(--line)}
.hero-side{padding:20px}
.hero-side img{width:100%;height:100%;object-fit:cover;border-radius:14px}
.section{padding:18px 0 44px}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:18px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.post-card{overflow:hidden}
.post-card img{aspect-ratio:16/9;object-fit:cover;background:#cbd5e1}
.post-body{padding:18px}
.meta{display:flex;flex-wrap:wrap;gap:10px;color:#64748b;font-size:.9rem;margin:0 0 10px}
.tag{display:inline-flex;padding:6px 10px;border-radius:999px;background:#f1f5f9;color:#334155;font-size:.82rem;font-weight:700}
.list{display:grid;gap:14px}
.list-item{padding:18px}
.category-chip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.category-chip{padding:22px;border-radius:20px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
.category-chip p{margin-bottom:0}
.page-hero{padding:32px 0}
.page-hero .card{padding:28px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:24px;align-items:start}
.article{padding:0 0 24px}
.article .cover{overflow:hidden}
.article .cover img{width:100%;aspect-ratio:16/8;object-fit:cover;border-radius:18px}
.article-body{padding:26px 28px}
.article-section{margin-bottom:26px}
.article-section ul{margin:0;padding-left:20px;color:var(--muted)}
.article-section li{margin:0 0 8px}
.sidebar{position:sticky;top:94px}
.sidebar .card{padding:18px}
.footer{padding:32px 0 56px;margin-top:30px;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:24px}
.search-box{display:flex;gap:10px;padding:16px}
.search-box input{
  width:100%;padding:13px 14px;border:1px solid var(--line);
  border-radius:14px;background:#fff;font:inherit
}
.muted{color:var(--muted)}
.small{font-size:.92rem}
.notice{padding:16px 18px;background:#fff7ed;border:1px solid #fed7aa;border-radius:14px;color:#9a3412}
.simple-page .card{padding:28px}
@media (max-width: 1024px){
  .hero-grid,.article-layout,.footer-grid{grid-template-columns:1fr}
  .grid-4,.category-chip-grid{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .sidebar{position:static}
}
@media (max-width: 700px){
  .grid-4,.grid-3,.grid-2,.category-chip-grid{grid-template-columns:1fr}
  .nav{display:none}
  .hero-main{padding:24px}
  .article-body{padding:22px}
}

.brand{display:inline-flex;align-items:center;gap:12px}
.brand-logo{height:34px;width:auto;display:block}
.footer-brand{align-items:flex-start;flex-direction:column;gap:10px}
.footer-brand .brand-logo{height:36px}

.hero-main .eyebrow{display:none}.post-card img,.article .cover img,.hero-side img{border-radius:16px}.post-card img{height:auto}.hero-side img{aspect-ratio:16/10;object-fit:cover}.article .cover img{aspect-ratio:16/9}.post-card a{display:block;background:#eef2f7;padding:10px}.article .cover{background:#eef2f7;padding:12px;border-radius:20px}.hero-side{padding:18px}.hero-main h1{max-width:12ch}.article-body .lead{font-size:1.14rem;color:#243247} .section-head p{max-width:700px}