:root{
  --bg:#ffffff;
  --surface:#ffffff;
  --surface2:#f6f8fc;
  --text:#0b1020;
  --muted:#4b5565;
  --border:rgba(11,16,32,.12);
  --shadow:0 12px 30px rgba(11,16,32,.08);
  --brand:#2563eb;
  --brand2:#22c55e;
  --radius:18px;
  --max:1140px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: linear-gradient(180deg,#ffffff 0%, #fbfbff 35%, #ffffff 100%);
  color:var(--text);
  line-height:1.6;
}
a{color:inherit;text-decoration:none}
.container{max-width:var(--max);margin:0 auto;padding:0 16px}

.topbar{
  position:sticky; top:0; z-index:10;
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--border);
}
.nav{display:flex; align-items:center; justify-content:space-between; gap:14px; padding:14px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;letter-spacing:.2px}
.logo{
  width:36px;height:36px;border-radius:12px;
  display:grid;place-items:center;
  background: linear-gradient(135deg,var(--brand),var(--brand2));
  color:#fff;font-weight:900;
  box-shadow: var(--shadow);
}
.menu{display:flex;flex-wrap:wrap;gap:6px}
.menu a{padding:9px 12px;border-radius:12px;color:var(--muted);border:1px solid transparent}
.menu a.active,.menu a:hover{
  color:var(--text);
  background: rgba(37,99,235,.06);
  border:1px solid rgba(37,99,235,.18);
}

.hero{padding:26px 0 12px}
.hero-shell{
  background: radial-gradient(800px 320px at 20% 10%, rgba(37,99,235,.14), transparent 55%),
              radial-gradient(700px 320px at 85% 20%, rgba(34,197,94,.12), transparent 55%),
              var(--surface);
  border:1px solid var(--border);
  border-radius: 22px;
  box-shadow: var(--shadow);
  padding:22px;
}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;color:var(--muted);
  background: rgba(11,16,32,.04);
  border:1px solid var(--border);
  padding:6px 10px;border-radius:999px;
}
.kicker .dot{width:8px;height:8px;border-radius:50%;background:var(--brand2)}
h1{margin:12px 0 8px;font-size:36px;line-height:1.15}
.muted{color:var(--muted)}
.cta-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 14px;border-radius:12px;
  border:1px solid var(--border);
  background: rgba(11,16,32,.03);
  color:var(--text);font-weight:700;
}
.btn.primary{
  background: linear-gradient(135deg,var(--brand),var(--brand2));
  color:#fff;border:0;
}

.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:16px;padding:14px 0 34px}
.main{grid-column:span 8}
.aside{grid-column:span 4}
@media(max-width:900px){.main,.aside{grid-column:span 12}}

.card{
  background: var(--surface);
  border:1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding:16px;
}
.section-title{display:flex;align-items:baseline;justify-content:space-between;gap:10px}
.section-title h2{margin:0}
.badge{
  font-size:12px;padding:4px 8px;border-radius:999px;
  border:1px solid var(--border);
  color:var(--muted);
  background: rgba(11,16,32,.03);
}

.article-list{display:grid;gap:12px}
.article{
  padding:14px;border-radius:16px;
  border:1px solid var(--border);
  background: var(--surface2);
}
.article h3{margin:0 0 6px;line-height:1.2}
.article p{margin:0;color:var(--muted)}
.meta{display:flex;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:12px;margin-top:8px}

.feature-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:12px}
@media(max-width:900px){.feature-grid{grid-template-columns:1fr}}
.feature-main{
  border-radius:18px;border:1px solid var(--border);
  background:#fff;box-shadow: var(--shadow);padding:16px;
}
.feature-main h3{margin:8px 0 6px;font-size:22px;line-height:1.2}
.feature-mini{display:grid;gap:10px}
.mini{
  border:1px solid var(--border);
  border-radius:16px;
  background: var(--surface2);
  padding:12px;
}
.mini h4{margin:0 0 6px;line-height:1.2}
hr.sep{border:0;border-top:1px solid var(--border);margin:14px 0}

input,select,textarea{
  width:100%;
  padding:12px 12px;
  border-radius:12px;
  border:1px solid var(--border);
  background:#fff;color:var(--text);
  outline:none;
}
.pager{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:12px}
.pager button{
  padding:8px 10px;border-radius:12px;
  border:1px solid var(--border);
  background:#fff;cursor:pointer;font-weight:700;
}
.pager button[disabled]{opacity:.5;cursor:not-allowed}
.footer{border-top:1px solid var(--border);padding:18px 0 30px;color:var(--muted);background:#fff}
.footer-row{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.note{font-size:12px;margin-top:10px}

/* Article content */
article h2{margin-top:18px}
article ul{padding-left:20px}
article li{margin:6px 0}
blockquote{
  margin:14px 0;
  padding:10px 12px;
  border-left:4px solid rgba(37,99,235,.35);
  background: rgba(37,99,235,.06);
  border-radius:12px;
}

/* Breadcrumbs */
.breadcrumbs{
  font-size:13px;
  color:var(--muted);
  margin-bottom:12px;
}
.breadcrumbs a{color:var(--brand)}
.breadcrumbs a:hover{text-decoration:underline}

/* Ads spacing */
.ad-wrap{margin:14px 0}