body{background:#f5f7f6;color:#223}main{background:#fff;min-height:100vh}.hero{background:#087f47;color:white}.kol-option{display:block;border:1px solid #d8dfda;border-radius:12px;padding:13px;margin:9px 0;cursor:pointer}.kol-option:has(input:checked){border-color:#087f47;background:#effaf3}.form-control[readonly]{background:#eef1ef;color:#555}