.concitech-wechat {
  width: min(1120px, calc(100% - 32px));
  margin: 56px auto 36px;
  font-family: Inter, "Noto Sans SC", system-ui, sans-serif;
}

.concitech-wechat__desktop {
  overflow: hidden;
  border: 1px solid rgba(0, 99, 69, 0.22);
  border-radius: 22px;
  background: #07c160;
  box-shadow: 0 22px 50px rgba(0, 101, 72, 0.18);
}

.concitech-wechat__desktop img {
  display: block;
  width: 100%;
  height: auto;
}

.concitech-wechat__mobile { display: none; }

@media (max-width: 640px) {
  .concitech-wechat { margin: 40px auto 28px; }
  .concitech-wechat__desktop { display: none; }
  .concitech-wechat__mobile {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 16px;
    border-radius: 19px;
    background: #07c160;
    color: #fff;
    box-shadow: 0 17px 38px rgba(0, 101, 72, 0.2);
  }
  .concitech-wechat__qr {
    flex: 0 0 96px;
    width: 96px;
    height: 96px;
    overflow: hidden;
    border-radius: 11px;
  }
  .concitech-wechat__qr img {
    display: block;
    width: auto;
    max-width: none;
    height: 96px;
  }
  .concitech-wechat__copy p { margin: 0 0 5px; color: rgba(255, 255, 255, 0.84); font-size: 11px; font-weight: 700; letter-spacing: 0.08em; }
  .concitech-wechat__copy h2 { margin: 0 0 5px; color: #fff; font-size: 18px; font-weight: 750; line-height: 1.2; }
  .concitech-wechat__copy span { display: block; color: #fff; font-size: 12px; line-height: 1.5; opacity: 0.92; }
}