.ons {

        background-color: #204f9f;
        color: #fff;
        position: fixed;
        top: 0;
        z-index: 999;}

    .topser {
        float: left;
        color: #fff;
        width: 35px;
        background: #204f9f;
        height: 35px;
        text-align: center;
        font-size: 14px;
        line-height: 35px;
        margin-left: 2%;}

    .topser img {
        width: 14px;
        display: inline-block;
        padding: 0;
        border: none;
        -ms-interpolation-mode: bicubic;
        max-width: 100%;
        max-height: 100%;
        vertical-align: middle;}

    .ser-layer {
        background: rgba(0, 0, 0, 0.6);
        position: fixed;
        left: 50%;
        top: 0;
        right: 0;
        bottom: 0;
        z-index: 99999;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease-out 0s;
        display: -ms-flexbox;
        display: flex;
        -ms-flex-align: center;
        align-items: center;
        -ms-flex-pack: center;
        justify-content: center;
        backdrop-filter: blur(5px);
        width: 100%;
        transform: translateX(-50%);}

    .ser-layer.showdiv {
        opacity: 1;
        visibility: visible;}

    .ser-layer .serclose {
        font-size: 30px;
        position: absolute;
        right: 30px;
        top: 25px;
        width: 30px;
        height: 30px;
        text-align: center;
        line-height: 30px;
        cursor: pointer;
        color: #ccc;
        background-image: url(images/gban20250408.png);
    background-size: 26px 26px;
    background-repeat: no-repeat;
    background-position: center;}


    .ser-layer .serform {
        width: 90%;
        margin: 0 auto;
        margin: 0\0;
        transform: translateY(150px);
        transition: .2s .1s
    ;}

    .ser-layer.showdiv .serform {
        transform: translateY(0);
        transition: .5s .3s
    ;}

    .ser-layer .serform .input-group {
        max-width: 550px;
        margin: 0 auto
    ;}

    .ser-layer .serform .input-group .sub {
        position: absolute;
        right: 0;
        top: 0;
        width: 90px;
        height: 50px;
        cursor: pointer;
        border: 0;
        background-image: url(images/ncssan20250408.png);
    background-size: 26px 26px;
    background-color: #204f9f;
    background-repeat: no-repeat;
    background-position: center;}



    .ser-layer .serform .input-group .inp {
        height: 50px;
        border: 0;
        border-right: 0;
        padding-right: 90px;
        width: 100%;
        padding-left: 15px;
        background: #fff;}

    .pore {
        position: relative;}
  @media (max-width: 1400px) { 
  
  .topser {
    width: 30px;
    height: 30px;
    line-height: 30px;}
  
  
  }
    @media (max-width: 640px) {
        .ser-layer .serclose {
            right: 4%;
            top: 20px
        ;}
    }