.copy-qq-btn{display:inline-flex;align-items:center;justify-content:center;margin-left:8px;padding:4px 10px;border:0;border-radius:999px;background:#4F3874;color:#fff;font-size:12px;line-height:1.4;cursor:pointer;vertical-align:middle;box-shadow:0 4px 12px rgba(79,56,116,.18);white-space:nowrap}.copy-qq-btn:hover{filter:brightness(1.06)}.copy-qq-btn.copied{background:#2f8f5b}@media(max-width:760px){.copy-qq-btn{margin-left:6px;padding:4px 9px;font-size:12px}.contact-card .copy-qq-btn{margin-top:8px;margin-left:0;display:inline-flex}}