body:has(.contact-dialog[open]) { overflow: hidden; }
.contact-dialog {
  width: min(440px, calc(100% - 32px));
  max-width: none;
  max-height: calc(100vh - 32px);
  max-height: calc(100dvh - 32px);
  margin: auto;
  padding: 36px 28px 28px;
  border: 1px solid #dce2ed;
  border-radius: 18px;
  background: #fff;
  color: #101d43;
  text-align: center;
  overflow: auto;
  overscroll-behavior: contain;
  box-shadow: 0 24px 80px #061a4c2e;
}
.contact-dialog::backdrop { background: #061a4c88; backdrop-filter: blur(5px); }
.contact-dialog .dialog-close {
  position: absolute;
  top: 8px;
  right: 8px;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: #748096;
  font-size: 28px;
  cursor: pointer;
}
.contact-dialog .dialog-close:hover { background: #eef3ff; color: #0731cc; }
.contact-dialog .dialog-close svg { width: 20px; height: 20px; }
.contact-dialog .contact-label { margin: 0; color: #0731cc; font-size: 12px; line-height: 1.5; letter-spacing: .12em; }
.contact-dialog h2 { margin: 14px 0 10px; font-size: 26px; font-weight: 650; line-height: 1.4; letter-spacing: -.02em; }
.contact-dialog .contact-description { margin: 0; color: #748096; font-size: 14px; line-height: 1.7; }
.contact-dialog .contact-qr-frame { width: min(100%, 268px); margin: 24px auto 16px; padding: 12px; border: 1px solid #e2e8f4; border-radius: 12px; background: #fff; }
.contact-dialog .contact-qr { display: block; width: 100%; height: auto; max-width: 100%; margin: 0; padding: 0; border: 0; border-radius: 0; }
.contact-dialog .contact-name { margin: 0; font-size: 16px; font-weight: 600; line-height: 1.5; color: #101d43; }
.contact-dialog .contact-help { max-width: 280px; margin: 12px auto 0; color: #748096; font-size: 12px; line-height: 1.75; }
.contact-dialog .contact-save { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; margin-top: 16px; padding: 10px 18px; border: 1px solid #dce6ff; border-radius: 6px; background: #eef3ff; color: #0731cc; font-size: 13px; font-weight: 500; line-height: 1.5; text-decoration: none; }
.contact-dialog .contact-save:hover { background: #dfe8ff; }
@media (max-width: 480px) {
  .contact-dialog { padding: 36px 22px 22px; }
  .contact-dialog h2 { font-size: 24px; }
  .contact-dialog .contact-qr-frame { width: min(100%, 252px); margin: 20px auto 14px; }
}
@media (max-height: 650px) {
  .contact-dialog { padding: 28px 22px 20px; }
  .contact-dialog .contact-qr-frame { width: min(100%, 210px); margin: 16px auto 12px; }
}