.PTL {
    margin: 0 auto;
    padding: 0 10px;
    /*1180是比较好的宽
            min-width: 1180px;
            width: 1180px;     
  width: 940px !important;*/
}
    .PTL .pb-3 {
        padding: 0 !important;
        padding-top: 10px !important;
    }

    .PTL .layui-header {
        position: relative !important;
    }

        .PTL .layui-header li a {
            color: black !important;
        }

    .PTL .layui-layout-left, .PTL .layui-body {
        left: 0;
        top: 0 !important;
        position: relative !important;
        padding-bottom: 0px !important;
        background-color: white;
    }