.yungo-live-support{position:fixed;right:16px;bottom:calc(24px + env(safe-area-inset-bottom));z-index:90;min-height:44px;max-width:calc(100vw - 32px);padding:10px 16px;border:1px solid #1d4ed8;border-radius:24px;background:#1d4ed8;color:#fff;font:600 16px/1.4 system-ui,sans-serif;cursor:pointer}.yungo-live-support:focus-visible{outline:3px solid #93c5fd;outline-offset:3px}.yungo-live-support:disabled{cursor:wait;opacity:.7}