.ios-guide-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 9999;
  align-items: flex-end;
  justify-content: center;
}
.ios-guide-overlay.show {
  display: flex;
}
.ios-guide-box {
  background: #1c1c1e;
  color: #fff;
  width: 100%;
  max-width: 480px;
  border-radius: 16px 16px 0 0;
  padding: 24px;
  position: relative;
  animation: slideUp 0.3s ease-out;
}
.ios-guide-close {
  position: absolute;
  top: 12px;
  right: 12px;
  background: none;
  border: none;
  color: #fff;
  font-size: 18px;
}
.ios-guide-subtitle {
  opacity: 0.7;
  margin-bottom: 16px;
}
.ios-guide-step {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.ios-guide-number {
  background: #007aff;
  color: #fff;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  flex-shrink: 0;
}
.ios-guide-icon {
  width: 18px;
  vertical-align: middle;
  margin: 0 4px;
}
@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}