/*解决方案追加*/
    .content-topic{
      font-size: 40px;
    }

    .content-what{text-align:center;background-color:#f5f5f6}
    .content-what .what-list{font-size:0;height:448px;}
    .content-what .what-list-mobile{display:none}
    .content-what .what-more{display:none;max-width:682px;margin:0 auto;padding:0 40px;color:#323232;font-size:14px;text-align:left}
    .content-what .what-item{display:inline-block;position:relative;width:60px;margin-left:-2px;line-height:1.6;font-size:14px;text-align:center;vertical-align:middle;background-color:#fff;color:#323232;border-radius:4px;box-shadow:0 0 10px 0 rgba(0,0,0,.15);transition:width .5s ease,height .5s ease,box-shadow .3s ease;cursor:pointer}
    .content-backers .backers-detail,.content-invers .invers-item{box-shadow:0 0 4px 0 rgba(179,179,179,.17),inset 0 -3px 0 0 rgba(103,77,199,.05)}
    .content-what .what-item:hover{
    background:#ffe0cc;
    }
    .content-what .what-item .what-item-bg{width:100%;height:100%;position:absolute;top:0;left:0;opacity:0;transition:opacity .4s ease .1s;border-radius: 4px;box-shadow: 0 0 10px 0 rgba(0,0,0,.15);}
    .content-what .what-item span{visibility:visible;transition:opacity .15s ease .4s;position:absolute;width:14px;top:50%;left:22px;transform:translateY(-50%);word-wrap: break-word;white-space: normal;}

    .content-what .what-item-active{width:800px;height:441px!important;background-size:cover;margin-right:2px;z-index:9!important;transition:width .4s ease,height .4s ease;}
    .content-what .what-item-active span{visibility:hidden;opacity:0}
    .content-what .what-item-active .what-item-bg{transition:opacity .5s ease 0s;opacity:1;visibility:visible}

      .content-what .what-item:nth-child(1){height:408px;padding:0 22px;z-index:1}
      .content-what .what-item:nth-child(2){height:428px;padding:0 22px;z-index:3}
      .content-what .what-item:nth-child(3){height:428px;padding:0 22px;z-index:5}
      .content-what .what-item:nth-child(4){height:408px;padding:0 22px;z-index:3}

    @media (max-width:1320px){
   .content-what .what-item-active{width:620px;height:441px!important;background-size:cover;margin-right:2px;z-index:9!important;transition:width .4s ease,height .4s ease;border:4px solid #fff}
    .content-what .what-item-active span{visibility:hidden;opacity:0}
    .content-what .what-item-active .what-item-bg{transition:opacity .5s ease 0s;opacity:1;visibility:visible}

      .content-what .what-item:nth-child(1){height:408px;padding:0 22px;z-index:1}
      .content-what .what-item:nth-child(2){height:428px;padding:0 22px;z-index:3}
      .content-what .what-item:nth-child(3){height:428px;padding:0 22px;z-index:5}
      .content-what .what-item:nth-child(4){height:408px;padding:0 22px;z-index:3}
    }
    /*解决方案追加结束*/