.contact-intro { margin: 8px auto 32px; text-align: center; }
.contact-intro h1 { margin-bottom: 10px; }
.contact-summary { margin: 0; color: var(--muted); font-size: 16px; }
.contact-invoice { display: inline-flex; align-items: center; gap: 6px; margin: 16px 0 0; padding: 4px 12px; border: 1px solid #e8d6c7; border-radius: 999px; color: var(--brand); background: #f7eade; font-size: 13px; font-weight: 700; }
.contact-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; max-width: 900px; margin: 0 auto; }
.contact-card { min-width: 0; padding: 30px; border: 1px solid var(--line); border-radius: 22px; background: #fff; text-align: center; }
.contact-icon { display: grid; place-items: center; width: 48px; height: 48px; margin: 0 auto 14px; border-radius: 14px; color: var(--brand); background: #f7eade; }
.contact-icon svg { width: 26px; height: 26px; }
.contact-card h2 { margin: 0 0 6px; font-size: 22px; }
.contact-description { margin: 0; color: var(--muted); font-size: 14px; }
.contact-qr { display: block; width: 214px; max-width: 100%; height: auto; margin: 18px auto 10px; }
.contact-wechat-id { display: flex; justify-content: center; align-items: center; gap: 6px; margin: 0 0 18px; font-size: 14px; }
.contact-wechat-id input { width: 76px; padding: 0; border: 0; color: var(--ink); background: transparent; font: inherit; font-weight: 700; }
.contact-copy-status { min-height: 21px; margin: 12px 0 0; color: var(--brand); font-size: 12px; line-height: 1.7; }
.contact-card .button { gap: 10px; border-radius: 999px; font-size: 14px; }
.contact-email { display: block; width: fit-content; max-width: 100%; margin: 36px auto 22px; color: var(--brand); font-size: clamp(20px, 2.2vw, 26px); font-weight: 700; line-height: 1.5; overflow-wrap: anywhere; }
.contact-email:hover { text-decoration: underline; text-underline-offset: 4px; }
.contact-note { margin-top: 42px; padding: 18px; border-radius: 14px; background: var(--cream); text-align: left; }
.contact-note h3 { margin: 0 0 6px; font-size: 14px; }
.contact-note p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }
@media (max-width: 700px) {
  .contact-intro { margin: 0 auto 24px; }
  .contact-summary { font-size: 14px; }
  .contact-grid { grid-template-columns: 1fr; gap: 16px; }
  .contact-card { padding: 26px 20px; border-radius: 18px; }
  .contact-card h2 { font-size: 21px; }
  .contact-email { margin-top: 26px; font-size: 24px; }
  .contact-note { margin-top: 28px; }
}