#zt-chat{position:fixed;right:24px;bottom:24px;z-index:5000;font-family:Arial,"Microsoft YaHei"}#zt-chat button{cursor:pointer}.zt-launch{border:0;border-radius:28px;background:#12333d;color:#fff;padding:14px 19px;box-shadow:0 12px 30px #0003;font-weight:700}.zt-panel{display:none;width:min(360px,calc(100vw - 32px));height:480px;background:#fff;box-shadow:0 18px 60px #001b;flex-direction:column;margin-bottom:12px}.zt-panel.show{display:flex}.zt-head{background:#12333d;color:#fff;padding:16px;display:flex;justify-content:space-between}.zt-head button{background:none;border:0;color:#fff;font-size:20px}.zt-messages{flex:1;overflow:auto;padding:14px;background:#f2f7f7}.zt-msg{max-width:85%;padding:10px 12px;margin:8px 0;line-height:1.5;border-radius:4px;background:#fff}.zt-msg.me{margin-left:auto;background:#d8f0f2}.zt-form{padding:12px;border-top:1px solid #dbe7e7}.zt-form input,.zt-form textarea{width:100%;padding:9px;border:1px solid #cbdcdd;margin-bottom:7px;font:13px inherit}.zt-form textarea{height:58px;resize:none}.zt-send{border:0;background:#12333d;color:#fff;padding:10px 14px;width:100%}