问题描述：
 需要实现的效果


解决办法：

 <!-- 底部 -->
            <div class="layui-row">
                
                <section id="toolbar">
                    <ul class="list clearfix">
                        <li><a href="" class="hover"><s class="too-home icon"></s><span>首页</span></a></li>
                        <li><a href="tel:15552569553"><s class="too-tel icon"></s><span>电话咨询</span></a></li>
                        <li><a onClick="wxzx()"><s class="too-qiao icon"></s><span>微信咨询</span></a></li>
                        <li><a href=""><s class="too-map icon"></s><span>联系我们</span></a></li>
                    </ul>
                </section>
            </div>

            <!-- 弹出框 -->
            <div id="wxnr">
                <div class="nrdf"> <i onClick="gbcf()">X</i><img src="assets/picture/ewm.jpg" alt="询盘"/>
                    <p>截屏，微信识别二维码</p>
                    <p>微信号：<span id="btn" data-clipboard-text="">扫码添加</span></p>
                    <!--<p>（点击微信号复制，添加好友）</p>-->
                    <!--<p><a href="weixin://"><span class="wx">&nbsp;&nbsp;打开微信</span></a></p>-->
                </div>
            </div>

 <script type="text/javascript">           
            /* 微信弹窗 */
            function wxzx(){
                $('#wxnr').fadeIn("fast");
                $('#fdwx').fadeOut("fast");
            }
            function gbcf(){$('#fdwx').fadeIn("slow");$('#wxnr').fadeOut("fast");}
        </script>
<style>
#toolbar {
    position: fixed;
    bottom: 0;
    width: 100%;
    z-index: 888;
    height: 60px;
    left: 0;
}

#toolbar .list {
    width: 100%;
   
    margin: 0 auto;
    background: #434343;
    box-shadow: 0 -8px 8px 0px rgb(0 0 0 / 8%);
}
ul, ol {
    list-style-type: none;
}
#toolbar .list li {
    float: left;
    width: 25%;
    text-align: center;
}
#toolbar .list a.hover {
    /*background: #02a852;*/
}
#toolbar .list a {
    display: block;
    line-height:24px;
    font-size: 14px;
    color: #fff;
    padding-top:15px;
}
#toolbar .list a .too-home {
    background-position: 0.03px 0;
}
#toolbar .list a s {
    margin-left: auto;
    margin-right: auto;
    width: 22px;
    height: 22px;
    display: block;
    background-size: 5px auto;
}
.icon {
    background: url(/static/assets/images/footicon.png) no-repeat;
      
}
#toolbar .list a span {
   
}
#toolbar .list a .too-home {
   background-position:2px 3px;
background-size: 250px auto;
}
#toolbar .list a .too-tel {
   background-position: -38px 0px;
background-size: 250px auto;
}
#toolbar .list a .too-qiao {
    background-position: -80px 0px;
background-size: 250px auto;
}
#toolbar .list a .too-map {
   background-position: -118px 0px;
background-size: 250px auto;
}

/*点击微信弹出框*/
#wxnr {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    z-index: 1000;
    display: none;
    background: rgba(0,0,0,.6);
}
#wxnr .nrdf {
    margin: auto;
    margin-top: auto;
    position: absolute;
    top: 30%;
    left: 0;
    right: 0;
    width: 100%;
    height: 330px;
   
    padding-top: 0.3px;
    padding-top: 66.6px;
    margin-top: -2.5px;
    text-align: center;
    background-color: rgba(255, 255, 255, 0.8);
    box-shadow: 0px 2px 6px #777;
    -webkit-box-shadow: 0px 2px 6px #777;
    -moz-box-shadow: 0px 2px 6px #777;
    border-radius: 10px;
}
#wxnr i {
    position: absolute;
    top: 17.2px;
    right: 19.2px;
    width: 30.3px;
    height: 30.3px;
   font-size: 18.2px;
line-height: 33.3px;
    text-align: center;
    color: #fff;
    font-weight: bold;
    font-style: normal;
    background: #333;
    border-radius: 1px;
    cursor: pointer;
}
#wxnr img {
    width: 180.3px;
    height: 180.3px;
    display: block;
    margin: 0 auto;
}
#wxnr p {
    font-size: 20.24px;
 
    text-align: center;
    margin-top: 10px;
}
</style>