main.solution{ padding: 0;}
.kche-t176{position:relative;z-index:0;padding:2% 0}
.kche-t176 .kche-t176-list .kche-t176-item,.kche-t176 .kche-t176-list .kche-t176-item-icon{background:#eee}
.kche-t176::before{content:'';width:100vw;max-width:1920px;height:100%;display:block;position:absolute;top:0;left:50%;transform:translateX(-50%);z-index:-1;background:#eeeeee}