.sg-install-fab{
  position: fixed;
  right: 16px;
  bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 999px;
  border: 1px solid rgba(212,175,55,.35);
  background: linear-gradient(180deg,#071827 0%, #04111c 100%);
  color: #f4f7fb;
  box-shadow: 0 18px 50px rgba(0,0,0,.45);
  cursor: pointer;
  z-index: 9999;
  font-family: system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
}
.sg-install-fab img{
  width: 28px;
  height: 28px;
  border-radius: 8px;
}
.sg-install-fab span{
  font-weight: 700;
  letter-spacing: .2px;
}

.sg-ios-sheet{
  position: fixed;
  inset: 0;
  background: rgba(2,8,14,.55);
  backdrop-filter: blur(6px);
  z-index: 10000;
}
.sg-ios-card{
  position: absolute;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  width: min(520px, calc(100vw - 24px));
  background: linear-gradient(180deg,#071827 0%, #04111c 100%);
  border: 1px solid rgba(212,175,55,.28);
  border-radius: 18px;
  padding: 16px;
  color: #f4f7fb;
  box-shadow: 0 22px 70px rgba(0,0,0,.55);
}
.sg-ios-title{
  font-weight: 800;
  font-size: 16px;
  margin-bottom: 10px;
}
.sg-ios-steps{
  margin: 0 0 12px;
  padding-left: 18px;
  color: rgba(244,247,251,.85);
  font-size: 14px;
}
.sg-ios-close{
  width: 100%;
  border: none;
  border-radius: 12px;
  padding: 12px 14px;
  background: linear-gradient(180deg,#E6C97A 0%, #D4AF37 100%);
  color: #071827;
  font-weight: 800;
  cursor: pointer;
}