:root{
  --primary:#0b63ce;
  --primary-dark:#084c9f;
  --text:#1a1a1a;
  --muted:#666;
  --bg:#ffffff;
  --card:#f7f9fc;
  --border:#dde6f2;
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:Arial,Helvetica,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.7;
}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
.site-header{
  background:#fff;
  border-bottom:1px solid var(--border);
  position:sticky; top:0; z-index:10;
}
.wrap{max-width:1140px;margin:0 auto;padding:0 20px}
.header-inner{
  display:flex;justify-content:space-between;align-items:center;padding:16px 0;gap:20px;
}
.logo{font-size:26px;font-weight:700;color:var(--text)}
.logo span{color:var(--primary)}
.nav{display:flex;flex-wrap:wrap;gap:16px}
.nav a{font-weight:600}
.hero{
  background:linear-gradient(135deg,#eef5ff,#ffffff);
  padding:28px 0 18px;
  border-bottom:1px solid var(--border);
}
.hero-grid{
  display:grid;grid-template-columns:1.35fr .85fr;gap:28px;align-items:center;
}
.hero h1{font-size:38px;line-height:1.15;margin:0 0 12px}
.hero p{font-size:18px;color:#445; margin:0}
.hero img{width:100%;height:auto;border-radius:16px;border:1px solid var(--border);box-shadow:0 10px 30px rgba(0,0,0,.08)}
.content{
  display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:30px;padding:34px 0 50px;
}
.article{
  min-width:0;
}
.article h2{font-size:29px;margin-top:34px;margin-bottom:10px}
.article h3{font-size:22px;margin-top:28px;margin-bottom:8px}
.article p, .article li{font-size:18px}
.lead{font-size:20px;color:#333}
.cta-box{
  margin:22px 0;padding:18px 20px;background:#eef6ff;border-left:4px solid var(--primary);border-radius:10px
}
.cta-box strong{display:block;margin-bottom:6px}
.card, .sidebar section{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:14px;
  padding:18px;
}
.sidebar{display:flex;flex-direction:column;gap:18px;position:sticky;top:86px;height:fit-content}
.sidebar h3{margin-top:0;margin-bottom:10px;font-size:20px}
.sidebar ul, .related ul, .article ul{padding-left:22px}
.related{margin-top:45px;padding:22px;background:var(--card);border:1px solid var(--border);border-radius:14px}
.footer-links{
  margin-top:35px;text-align:center;font-size:15px;padding:18px;border-top:1px solid var(--border)
}
footer.site-footer{background:#f8fafc;border-top:1px solid var(--border);padding:24px 0;color:#444}
.grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px
}
.post-card{
  background:#fff;border:1px solid var(--border);border-radius:16px;overflow:hidden;box-shadow:0 6px 20px rgba(0,0,0,.05)
}
.post-card img{width:100%;display:block;aspect-ratio:16/9;object-fit:cover}
.post-card .inner{padding:16px}
.post-card h2{font-size:22px;line-height:1.25;margin:0 0 8px}
.badge{display:inline-block;background:#e8f1ff;color:var(--primary-dark);padding:6px 10px;border-radius:999px;font-size:13px;font-weight:700;margin-bottom:12px}
.breadcrumbs{font-size:14px;color:#667;padding-top:12px}
.kicker{font-weight:700;color:var(--primary-dark);text-transform:uppercase;letter-spacing:.06em;font-size:13px;margin-bottom:10px}
.mini-cta{background:#fff;border:1px dashed var(--border);border-radius:12px;padding:14px;margin-top:18px}
@media (max-width: 900px){
  .hero-grid,.content{grid-template-columns:1fr}
  .hero h1{font-size:31px}
  .sidebar{position:static}
}