body {
  background:
    radial-gradient(circle at top left, rgba(59,130,246,.18), transparent 30%),
    radial-gradient(circle at bottom right, rgba(16,185,129,.12), transparent 35%),
    #0f172a;
}

#page_container,
main {
  max-width: 1380px !important;
  margin-left: auto !important;
  margin-right: auto !important;
}

.service-card,
.bookmark-card {
  border-radius: 18px !important;
  background: rgba(15, 23, 42, 0.72) !important;
  border: 1px solid rgba(148, 163, 184, 0.16) !important;
  box-shadow: 0 10px 28px rgba(0,0,0,.22);
}

.service-card:hover,
.bookmark-card:hover {
  transform: translateY(-2px);
  transition: all .18s ease;
}