.founder-contact-page {
  min-width: 320px;
}

.contact-page-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--color-border-subtle);
  background: var(--header-background);
}

.contact-header-inner,
.founder-contact-shell,
.contact-footer-inner {
  width: min(calc(100% - 48px), 960px);
  margin-inline: auto;
}

.contact-header-inner {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.contact-header-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.contact-home-link {
  color: var(--color-text-secondary);
  font-size: 12px;
  font-weight: 600;
}

.founder-contact-main {
  min-height: calc(100svh - 72px);
}

.founder-contact-shell {
  padding: clamp(64px, 9vh, 108px) 0 84px;
}

.founder-contact-shell h1 {
  max-width: 820px;
  margin-top: 20px;
  font-size: clamp(48px, 6.2vw, 76px);
}

.founder-contact-lead {
  max-width: 680px;
  margin-top: 28px;
  color: var(--color-text-secondary);
  font-size: 18px;
  line-height: 1.7;
}

.founder-contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 18px;
  margin-top: 48px;
}

.founder-contact-methods {
  display: grid;
  gap: 18px;
}

.founder-contact-card {
  padding: 30px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-surface);
}

.wechat-card {
  min-height: 390px;
}

.contact-label {
  color: var(--color-text-muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact-value {
  display: block;
  margin-top: 14px;
  color: var(--color-text-primary);
  font-size: clamp(25px, 3vw, 36px);
  font-weight: 620;
  letter-spacing: -0.035em;
  overflow-wrap: anywhere;
}

.contact-link:hover {
  color: var(--color-signal);
}

.copy-wechat-button {
  margin-top: 24px;
  font-family: inherit;
  cursor: pointer;
}

.contact-copy-feedback {
  min-height: 24px;
  margin-top: 12px;
  color: var(--color-text-secondary);
  font-size: 13px;
  line-height: 1.6;
}

.contact-copy-feedback[data-state="success"] {
  color: var(--color-signal);
}

.personal-qr-pending {
  display: grid;
  grid-template-columns: 54px 1fr;
  align-items: center;
  gap: 16px;
  margin-top: 24px;
  padding-top: 22px;
  border-top: 1px solid var(--color-border-subtle);
}

.pending-mark {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  border: 1px dashed var(--color-border);
  border-radius: 12px;
  color: var(--color-text-muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10px;
  letter-spacing: 0.1em;
}

.personal-qr-pending strong {
  font-size: 14px;
  font-weight: 620;
}

.personal-qr-pending p {
  margin-top: 5px;
  color: var(--color-text-muted);
  font-size: 12px;
  line-height: 1.55;
}

.qr-status-code {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.founder-contact-note {
  margin-top: 28px;
  color: var(--color-text-muted);
  font-size: 12px;
  line-height: 1.6;
}

.contact-footer-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 36px;
}

@media (max-width: 760px) {
  .contact-header-inner,
  .founder-contact-shell,
  .contact-footer-inner {
    width: calc(100% - 32px);
  }

  .contact-header-inner {
    min-height: 64px;
  }

  .contact-home-link {
    display: none;
  }

  .founder-contact-main {
    min-height: calc(100svh - 64px);
  }

  .founder-contact-shell {
    padding: 46px 0 56px;
  }

  .founder-contact-shell h1 {
    margin-top: 16px;
    font-size: clamp(40px, 12vw, 52px);
    line-height: 1.04;
  }

  .founder-contact-lead {
    margin-top: 22px;
    font-size: 16px;
  }

  .founder-contact-grid {
    grid-template-columns: 1fr;
    margin-top: 34px;
  }

  .founder-contact-card {
    padding: 24px;
  }

  .wechat-card {
    min-height: 0;
  }

  .copy-wechat-button {
    width: 100%;
    min-height: 56px;
  }

  .contact-value {
    font-size: 27px;
  }

  .contact-footer-inner {
    display: grid;
    gap: 16px;
  }

  .contact-footer-inner .footer-contact {
    justify-items: start;
    text-align: left;
  }
}