body {
  background: #f7f7fb;
}

.hero-card {
  background: linear-gradient(135deg, #fff8e6, #ffffff);
  border: 1px solid rgba(0,0,0,0.06);
  box-shadow: 0 12px 30px rgba(0,0,0,0.05);
}

.announcement {
  background: #fafafa;
  border: 1px solid rgba(0,0,0,0.06);
}

.card {
  box-shadow: 0 10px 25px rgba(0,0,0,0.04);
}