@import url("/mobile-polish.css?v=12");

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: #fff; color: var(--ink, #101820); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; cursor: pointer; }
::selection { background: #101820; color: #fff; }
header > nav[aria-label="网站主导航"] { display: flex; }
.contact-page { width: min(100%, 1200px); margin-inline: auto; padding: 136px var(--gutter, 40px) 72px; }
.contact-intro h1 { margin: 0; font-size: clamp(44px, 5.5vw, 76px); line-height: 1.2; }
.contact-intro > p { margin: 22px 0 0; max-width: 36em; color: var(--muted); font-size: 18px; line-height: 1.85; }
.contact-layout { display: grid; grid-template-columns: minmax(280px, .9fr) minmax(0, 1.1fr); gap: clamp(48px, 6vw, 88px); align-items: start; margin-top: 44px; }
.contact-qr { width: min(100%, 310px); margin: 0; justify-self: start; }
/* Align the visible QR edge, retaining the image's white quiet zone. */
.contact-qr a { display: block; transform: translateX(-9.9%); }
.contact-qr img { width: 100%; height: auto; }
.contact-qr figcaption { margin-top: 12px; color: var(--muted); font-size: 14px; line-height: 1.7; text-align: left; }
.contact-details { padding-top: 12px; }
.contact-wechat h2 { margin: 0 0 20px; font-size: clamp(28px, 2.8vw, 38px); }
.contact-wechat > p { margin: 0; max-width: 32em; color: var(--muted); font-size: 16px; line-height: 1.85; }
.contact-wechat .contact-note { margin-top: 12px; font-size: 14px; }
.contact-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px 24px; margin-top: 26px; }
.contact-save { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 10px 22px; border: 1px solid var(--ink); border-radius: 5px; background: var(--ink); color: #fff; font-size: 15px; font-weight: 500; line-height: 1.6; transition: background .18s ease; }
.contact-save:hover { background: var(--ink-soft); }
.contact-open { display: inline-flex; min-height: 48px; align-items: center; text-decoration: underline; text-underline-offset: 6px; font-size: 15px; }
.contact-open:hover { color: var(--muted); }
.contact-wechat .contact-scan-help { margin-top: 18px; font-size: 13px; line-height: 1.85; }
.contact-account, .contact-email { margin-top: 32px; padding-top: 26px; border-top: 1px solid var(--line); }
.contact-account h2, .contact-email h2 { margin: 0 0 14px; font-size: 23px; }
.contact-account-name { display: flex; align-items: center; flex-wrap: wrap; gap: 12px 24px; }
.contact-account-name strong { font-size: 22px; font-weight: 600; line-height: 1.6; user-select: all; }
.contact-account-name button { min-height: 44px; padding: 8px 14px; border: 1px solid var(--line); border-radius: 5px; background: #fff; font-size: 14px; }
.contact-account-name button:hover { border-color: var(--ink); }
.contact-account > p { margin: 10px 0 0; color: var(--muted); font-size: 14px; line-height: 1.85; }
.contact-account .contact-copy-status { min-height: 26px; margin-top: 4px; font-size: 13px; }
.contact-email { margin-top: 16px; }
.contact-email > a { display: inline-flex; min-height: 44px; align-items: center; font-size: 18px; line-height: 1.6; overflow-wrap: anywhere; text-decoration: underline; text-underline-offset: 5px; }
.contact-email > a:hover { color: var(--muted); }
.contact-email > p { margin: 8px 0 0; color: var(--muted); font-size: 14px; line-height: 1.85; }
.contact-footer { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 28px var(--pad, 40px); border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.contact-footer > a { display: inline-flex; min-height: 44px; align-items: center; }
.contact-footer > a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 4px; }
@media (max-width: 1080px) {
  .contact-page { padding-top: 120px; }
  .contact-footer { flex-direction: column; gap: 12px; }
}
@media (max-width: 700px) {
  .contact-page { padding: 112px 20px 48px; }
  .contact-intro h1 { font-size: 44px; }
  .contact-intro > p { margin-top: 18px; font-size: 16px; }
  .contact-desktop-break { display: none; }
  .contact-layout { grid-template-columns: minmax(0, 1fr); gap: 32px; margin-top: 28px; }
  .contact-qr { width: min(280px, 100%); justify-self: center; }
  .contact-qr a { transform: none; }
  .contact-qr figcaption { margin-top: 4px; text-align: center; }
  .contact-details { padding-top: 0; }
  .contact-wechat h2 { font-size: 28px; margin-bottom: 16px; }
  .contact-account { margin-top: 28px; padding-top: 24px; }
  .contact-footer { padding: 24px 20px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .contact-save { transition: none; }
}