{volist name="list" id="vo"}
<div class="nav_div" style="position: relative;padding: 10px">
    <span class="nav_span">.</span>
    <div class="nav_title" id="card{$vo.ard}"><a href="#card{$vo.ard}">{$vo.title}</a></div>
</div>
{/volist}

<div class="container" style="margin-bottom: 50px">
    {volist name="list" id="vo"}
    <div id="card{$vo.ard}">
    <h4>{$vo.title}</h4>
        {$vo.con}
    </div>
    {/volist}

</div>

<style>
    .card-active{
        background: rgb(224, 236, 244);
    }
    .nav_title:hover a{
        color:rgba(128, 197, 95, 1);
    }
</style>

js:

$(function(){
    var strUrl = window.location.href;
    var arrUrl = strUrl.split("/");
    var strPage = arrUrl[arrUrl.length-1];

    var carda= $(".nav_div").find(strPage).addClass("card-active");
    $(".container").find(strPage).css("display","block");
    $(".container").find(strPage).siblings().css("display","none");
    console.log(strPage,carda,$(".container").find(strPage));

    $(".nav_div").click(function(){
        $(this).find(".nav_title").addClass("card-active");
        $(this).siblings().find(".card-active").removeClass("card-active");
        var zuo=$(this).find("a").attr("href");
        $(".container").find(zuo).css("display","block");

        console.log(zuo, $(".container").find(zuo))
        $(".container").find(zuo).siblings().css("display","none");
    })

})