.site-footer .official-wechat-trigger {
  min-height: 44px;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  letter-spacing: 0;
  text-align: left;
  cursor: pointer;
}
.site-footer nav:has(.official-wechat-trigger) { align-items: center; }
.site-footer .official-wechat-trigger:hover { color: #fff; }
.official-wechat-trigger:focus-visible,
.official-wechat-close:focus-visible,
.official-wechat-original:focus-visible { outline: 2px solid #25839a; outline-offset: 4px; }
.official-wechat-open { overflow: hidden; }
.official-wechat-dialog {
  box-sizing: border-box;
  width: min(370px, calc(100% - 32px));
  max-height: calc(100dvh - 32px);
  margin: auto;
  padding: 20px 24px 24px;
  border: 1px solid #d8e1e9;
  border-radius: 8px;
  color: #102338;
  background: #fff;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
  letter-spacing: 0;
  overflow: auto;
}
.official-wechat-dialog::backdrop { background: rgba(10, 22, 35, .55); }
.official-wechat-dialog-header { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.official-wechat-dialog h2 { margin: 0; font-size: 20px; line-height: 1.4; }
.official-wechat-close {
  display: inline-flex;
  flex: 0 0 44px;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  border-radius: 4px;
  color: #3e5264;
  background: transparent;
  cursor: pointer;
}
.official-wechat-close:hover { background: #f0f4f6; }
.official-wechat-close svg, .official-wechat-original svg {
  display: block;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.official-wechat-dialog .official-wechat-name { margin: 8px 0 12px; font-size: 16px; }
.official-wechat-qr {
  display: block;
  width: 258px;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1;
  margin: 0 auto 16px;
  object-fit: contain;
  background: #fff;
}
.official-wechat-original {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  color: #12697f;
  font-size: 14px;
  text-decoration: underline;
  text-underline-offset: 4px;
}
.official-wechat-unavailable { color: #5d6c7b; font-size: 15px; }
.official-wechat-contact {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 28px;
  border-top: 1px solid #d8e1e9;
}
.official-wechat-contact > div { min-width: 0; }
.official-wechat-contact h2 { margin: 0 0 8px; font-size: 22px; }
.official-wechat-contact .official-wechat-name { margin: 0; font-size: 16px; }
.official-wechat-contact .official-wechat-qr { width: 215px; margin: 0; }
.official-wechat-dialog [hidden], .official-wechat-contact [hidden] { display: none !important; }
@media (max-width: 600px) {
  .official-wechat-contact { flex-direction: column; align-items: flex-start; }
  .official-wechat-dialog { padding: 16px; }
}