#sip-overlay {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,.6);
  z-index: 999999;
  padding: 16px;
}

#sip-popup {
  position: relative;
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  max-width: min(92vw, 520px);
  box-shadow: 0 10px 40px rgba(0,0,0,.25);
}

#sip-popup img {
  display: block;
  width: 100%;
  height: auto;
}

#sip-popup .sip-close {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 999px;
  background: rgba(0,0,0,.7);
  color: #fff;
  cursor: pointer;
  font-size: 22px;
  line-height: 36px;
}
#sip-popup .sip-close:hover { background: rgba(0,0,0,.85); }

@media (max-width: 420px){
  #sip-popup .sip-close {
    top: 6px; right: 6px; width: 32px; height: 32px; line-height: 32px; font-size: 20px;
  }
}