在网站页面添加一个类似企业QQ客服在线咨询悬浮框，提醒文字可以修改，可以设置定时显示客服框，默认一秒，食用需要将5022978替换为自己的QQ哟。

<style type="text/css">
    * { padding:0; margin:0; font-family:Microsoft YaHei,Simsun;}
    .main {display:none;width:327px;height:172px; background-repeat:no-repeat;}
    .bg { background-image:url(https://wenhairu.com/static/qq-jscode.png)}
    .btn { position:absolute; display:block;}
    .launchBtn { top:145px; left:173px; width:69px; height:22px;}
    .laterBtn { top:145px; left:248px; width:69px; height:22px;}
    .closeBtn { top:0;left: 283px;; width:39px; height:26px;}
    .title { position:absolute; top:1px; left:17px; height:30px; line-height:30px; font-size:16px; color:#000;}
    .content { position:absolute; top:45px; left:114px; width:203px; height:85px;}
    .content .msg { font-size:12px; color:#000; line-height:25px;}
</style>
<div class="main bg" id="qqlos" width="327px;">
    <a id="launchBtn" class="launchBtn btn" href="javascript:qqtalk();"></a><a id="laterBtn" class="laterBtn btn" href="javascript:hide();"></a><a id="closeBtn" class="closeBtn btn" href="javascript:hide();"></a>
    <p id="title" class="title">
        在线咨询
    </p>
    <div class="content">
        <p id="msg" class="msg">您好，请问有什么可以帮到您？请接受聊天邀请。</p>
    </div>
</div>
<script src="https://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
<script>
    $(function(){
        /*定时显示这个客服框1秒=1000*/
        setTimeout('show()',10000);
    });
    function qqtalk(){
        /*自行替换5022978为自己的QQ*/
        window.open("https://wpa.qq.com/msgrd?v=3&uin=5022978&site=qq&menu=yes");
    }
    function hide(){
        document.getElementById('qqlos').style.display='none';
    }
    function show(){
        document.getElementById('qqlos').style.display='block';
        /*滚动标题*/
        var s="【你有一条新消息】".split("");
        function func(){
            s.push(s[0]);
            s.shift();
            document.title = s.join("");
        }
        /*滚动速度*/
        setInterval(func,1000);
    }
</script>