.se-container{ width:min(1120px, 92%); margin-inline:auto; }

.se-header{
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px);
  background: linear-gradient(to bottom, rgba(11,18,32,.85), rgba(11,18,32,.55));
  border-bottom: 1px solid var(--line);
}
.se-header__inner{
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 0;
  gap: 16px;
}

.se-brand{ display:flex; align-items:center; gap:10px; }
.se-brand__text{ font-weight: 700; letter-spacing: .3px; }

.se-menu{ list-style:none; display:flex; gap: 18px; padding:0; margin:0; }
.se-menu a{
  color: var(--muted);
  padding: 10px 12px;
  border-radius: 12px;
  transition: 150ms ease;
}
.se-menu a:hover{ color: var(--text); background: rgba(255,255,255,.06); }

.se-cta{ display:flex; gap: 10px; align-items:center; }
.se-btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.14);
  background: linear-gradient(135deg, rgba(93,214,255,.18), rgba(124,92,255,.14));
  box-shadow: 0 10px 30px rgba(0,0,0,.25);
}
.se-btn--ghost{
  background: transparent;
  box-shadow:none;
}

.se-wrap{ padding: 34px 0 50px; }
.se-card{
  width: min(960px, 92%);
  margin: 0 auto 18px;
  padding: 22px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.04));
}
.se-title{ margin: 0 0 8px; font-size: clamp(22px, 3vw, 34px); }
.se-muted{ color: var(--muted); margin: 0; }

.se-alert{
  margin: 12px 0;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,100,100,.35);
  background: rgba(255,100,100,.10);
}

.se-row{ display:flex; gap:14px; margin-top: 12px; }
.se-link{ color: var(--accent); }
.se-link:hover{ text-decoration: underline; }

.se-grid{ display:grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px; margin-top: 14px; }
@media (max-width: 780px){ .se-grid{ grid-template-columns: 1fr; } .se-menu{ display:none; } }

.se-panel{
  padding: 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
}
.se-panel h3{ margin: 0 0 10px; }
.se-list{ margin:0; padding-left: 18px; color: var(--muted); }
.se-list a{ color: var(--text); }

.se-footer{
  margin-top: 40px;
  border-top: 1px solid var(--line);
  background: rgba(0,0,0,.12);
}
.se-footer__inner{
  padding: 18px 0;
  display:flex; align-items:center; justify-content:space-between;
  gap: 12px;
}
.se-menu--footer a{ color: var(--muted); padding: 8px 10px; }