.mail-help {
  box-sizing: border-box;
  position: fixed;
  inset: 0;
  width: min(460px, calc(100% - 28px));
  max-width: none;
  max-height: calc(100dvh - 28px);
  margin: auto;
  padding: 30px;
  overflow: auto;
  border: 1px solid #dce1e8;
  border-radius: 18px;
  background: #fff;
  color: #192532;
  box-shadow: 0 24px 80px rgb(15 28 45 / 20%);
  font-family: inherit;
  text-align: left;
}
.mail-help:not([open]) { display: none; }
.mail-help::backdrop { background: rgb(18 28 42 / 40%); }
.mail-help *, .mail-help *::before, .mail-help *::after { box-sizing: border-box; }
.mail-help .mail-help-close {
  position: absolute;
  top: 8px;
  right: 8px;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: #394756;
  font: 28px/1 system-ui, sans-serif;
  cursor: pointer;
}
.mail-help .mail-help-close:hover { background: #f1f4f8; }
.mail-help .mail-help-eyebrow { margin: 0 40px 12px 0; font-size: 10px; font-weight: 700; letter-spacing: .13em; color: #5a6675; }
.mail-help h2 { margin: 0 22px 12px 0; font-size: 26px; font-weight: 600; letter-spacing: -.03em; line-height: 1.25; }
.mail-help #mail-help-description { margin: 0 0 18px; font-size: 14px; line-height: 1.65; color: #526071; }
.mail-help .mail-help-address {
  display: block;
  margin-bottom: 14px;
  padding: 13px 14px;
  border: 1px solid #e1e6ec;
  border-radius: 9px;
  background: #f6f8fb;
  color: #192532;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.5;
  font-family: inherit;
  overflow-wrap: anywhere;
  user-select: all;
  -webkit-user-select: all;
}
.mail-help .mail-help-copy { width: 100%; min-height: 44px; padding: 12px 14px; border: 0; border-radius: 9px; background: #192532; color: #fff; font: inherit; font-size: 13px; font-weight: 600; cursor: pointer; }
.mail-help .mail-help-copy:disabled { cursor: wait; opacity: .7; }
.mail-help .mail-help-status { margin: 10px 0 0; font-size: 12px; line-height: 1.6; color: #31578c; }
.mail-help .mail-help-status:empty { display: none; }
.mail-help .mail-help-note { margin: 14px 0 0; font-size: 11px; line-height: 1.6; color: #687383; }
.mail-help :focus-visible { outline: 3px solid #4d87db; outline-offset: 3px; }
@media (max-width: 480px) {
  .mail-help { padding: 24px 20px; border-radius: 14px; }
  .mail-help h2 { font-size: 23px; }
  .mail-help #mail-help-description { font-size: 13px; }
  .mail-help .mail-help-address { padding-inline: 10px; font-size: 14px; }
}