#guest-announcement-overlay {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(15, 23, 42, 0.62);
  backdrop-filter: blur(6px);
  z-index: 99999;
}
#guest-announcement-overlay.show {
  display: flex;
}
#guest-announcement-modal {
  width: min(92vw, 520px);
  border-radius: 24px;
  background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%);
  box-shadow: 0 24px 90px rgba(15, 23, 42, 0.28);
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, 0.28);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}
#guest-announcement-head {
  padding: 22px 22px 14px;
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 58%, #0f172a 100%);
  color: #fff;
}
#guest-announcement-badge {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
}
#guest-announcement-head h2 {
  margin: 14px 0 8px;
  font-size: 30px;
  line-height: 1.08;
}
#guest-announcement-head p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255,255,255,.92);
}
#guest-announcement-body {
  padding: 20px 22px 22px;
  color: #0f172a;
}
#guest-announcement-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}
#guest-announcement-list li {
  border: 1px solid #dbeafe;
  background: #f8fbff;
  border-radius: 16px;
  padding: 14px 15px;
  font-size: 15px;
  line-height: 1.7;
}
#guest-announcement-list strong {
  color: #111827;
}
#guest-announcement-actions {
  margin-top: 18px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.guest-announcement-btn {
  appearance: none;
  border: 0;
  border-radius: 14px;
  padding: 12px 16px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
}
.guest-announcement-btn.primary {
  background: #2563eb;
  color: #fff;
}
.guest-announcement-btn.secondary {
  background: #e2e8f0;
  color: #0f172a;
}
@media (max-width: 640px) {
  #guest-announcement-head h2 { font-size: 26px; }
  #guest-announcement-actions { flex-direction: column; }
  .guest-announcement-btn { width: 100%; }
}