.contact{position:relative}.contact-wechat{color:var(--ink);font-family:"Source Han Sans SC","Noto Sans SC",sans-serif;font-size:clamp(16px,2vw,28px);font-weight:400;letter-spacing:.02em;line-height:1.4;cursor:pointer;user-select:none;margin:10px 0 0;padding:0;transition:opacity .2s,transform .2s}.contact-wechat:hover,.contact-wechat:focus-visible{opacity:.68;transform:translateY(-1px);outline:none}.contact-wechat.is-copied{opacity:.72}.copy-toast{display:block;color:var(--ink);font-family:"Source Han Sans SC","Noto Sans SC",sans-serif;font-size:12px;font-weight:400;letter-spacing:.04em;line-height:1.4;opacity:0;transform:translateY(5px);pointer-events:none;transition:opacity .2s,transform .2s}.copy-toast.is-visible{opacity:.78;transform:translateY(0)}