:root{
  --bg:#0b0f1a; --card:#12172a; --muted:#9fb0c7; --text:#eaf2ff;
  --accent:#6aa8ff; --accent2:#4be3c2; --radius:18px;
  --shadow:0 10px 30px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.03);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:radial-gradient(1200px 800px at 100% -10%, rgba(106,168,255,.12), transparent 70%) no-repeat,
             radial-gradient(900px 600px at -10% 110%, rgba(75,227,194,.10), transparent 60%) no-repeat,
             var(--bg);
  color:var(--text);
  font:16px/1.6 Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,Helvetica,sans-serif;
}
.container{max-width:1100px;margin:0 auto;padding:20px 20px 0}
header{position:sticky;top:0;z-index:50;backdrop-filter:saturate(1.1) blur(8px);
  background:linear-gradient(to bottom, rgba(12,16,32,.95), rgba(12,16,32,.6));
  border-bottom:1px solid rgba(255,255,255,.06)}
.header-bar{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text)}
.logo-badge{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--accent),var(--accent2));font-weight:800;color:#0b1220;box-shadow:var(--shadow)}
.logo-title{font-weight:700;letter-spacing:.2px}
.nav{display:flex;gap:14px}
.nav a{color:var(--text);text-decoration:none;padding:8px 12px;border-radius:10px;border:1px solid transparent}
.nav a:hover{border-color:rgba(255,255,255,.1);background:rgba(255,255,255,.02)}

.hero{padding:64px 0 24px}
.hero h1{font-size:36px;line-height:1.15;margin:0 0 10px}
.hero p{color:var(--muted);max-width:840px;margin:0 0 18px}
.cta{display:inline-flex;gap:10px;align-items:center;padding:10px 16px;border-radius:12px;border:0;cursor:pointer;
  background:linear-gradient(135deg,var(--accent),var(--accent2));color:#081124;text-decoration:none;font-weight:700;box-shadow:var(--shadow)}
.cta.secondary{background:transparent;color:var(--text);border:1px solid rgba(255,255,255,.12)}

.grid{display:grid;gap:16px}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
@media (max-width:960px){.grid.cols-3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:620px){.grid.cols-3{grid-template-columns:1fr}}

.grid.cols-12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
}
.col-8 { grid-column: span 8; }
.col-4 { grid-column: span 4; }

@media (max-width: 960px) {
  .col-8, .col-4 {
    grid-column: span 12;
  }
}

.menu {
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.02);
  border-radius: 16px;
}
.menu h3 {
  margin-top: 0;
  font-size: 20px;
  margin-bottom: 12px;
}
.menu .list{
  padding: 10px 0;
}
.menu .list a {
  color: var(--accent);
  text-decoration: none;
}
.menu .list a:hover {
  text-decoration: underline;
}

.card{
  background:linear-gradient(180deg, rgba(255,255,255,.02), transparent 40%) , var(--card);
  border:1px solid rgba(255,255,255,.06);
  border-radius:var(--radius);
  padding:18px;box-shadow: var(--shadow);position:relative;overflow:hidden;
}
.card h3{margin:0 0 6px;font-size:18px}
.card p{margin:0;color:var(--muted)}

.badge{font-size:12px;padding:6px 8px;border-radius:999px;border:1px solid rgba(255,255,255,.14)}
.section{padding:26px 0}
.section h2{margin:0 0 12px;font-size:22px}

/* Banner */
.banner{
  display:grid;grid-template-columns:140px 1fr auto;gap:16px;align-items:center;
  padding:16px;border-radius:16px;border:1px solid rgba(255,255,255,.08);
  background:linear-gradient(135deg, rgba(106,168,255,.12), rgba(75,227,194,.1));
}
.banner .thumb{height:80px;border-radius:12px;background:
  linear-gradient(135deg, rgba(106,168,255,.5), rgba(75,227,194,.5));box-shadow:var(--shadow)}
.banner .meta{color:var(--muted)}
.banner .sponsor{font-size:12px;margin-bottom:4px;opacity:.9}
@media (max-width:700px){
  .banner{grid-template-columns:1fr;grid-auto-rows:auto}
  .banner .thumb{height:120px}
}

.list{display:grid;gap:12px}
.item{display:flex;gap:12px;align-items:flex-start;padding:14px;border-radius:14px;background:rgba(255,255,255,.02);
  border:1px solid rgba(255,255,255,.06)}
.item .title{font-weight:700}
.item .desc{color:var(--muted)}
.item .go{margin-left:auto}

footer{margin-top:30px;padding:26px 0;color:var(--muted);border-top:1px solid rgba(255,255,255,.08)}
a.link{color:var(--accent);text-decoration:none}
a.link:hover{text-decoration:underline}
.article{background:rgba(255,255,255,.02);border:1px solid rgba(255,255,255,.06);padding:18px;border-radius:16px}
.article h2{margin-top:0}
.article h3{margin-bottom:6px}
hr.sep{border:0;border-top:1px solid rgba(255,255,255,.08);margin:26px 0}

.b {
  width: 100%;
  text-align: center;
  padding-top: 20px;
}