.btn {
    width: 100%;
    height: 200px;
    position: absolute;
    left: 0;
    top: 42%;
    z-index: 100;
    /* background-color: aquamarine; */
  }
  .imgs {
    width: 100%;
    height: auto;
    position: relative;
    z-index: 1;
  }
  .flex_cen{
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    font-size: 16px;
    color: #FFFFFF;
  }
  .pages {
    max-width: 1920px;
    min-width: 900px;
    width: 100%;
    height: 100%;
    position: relative;
    background-color: #FFFFFF;
  }
  .logo1 {
    position: absolute;
    top: 10px;
    left: 20%;
    width: 5%;
    height: auto;
    z-index: 2;
  }
  .text1 {
    position: absolute;
    top: 20px;
    left: 29%;
    width: 9.4%;
    height: auto;
    z-index: 2;
  }
  .btn_down {
    width: 7%;
    background: #0376f7;
    border-radius: 6px;
    font-size: 18px;
    color: #ffffff;
    display: flex;
    justify-content: center;
    align-items: center;
    position: absolute;
    right: 20%;
    top: 20px;
    padding: 6px;
    z-index: 2;
    cursor: pointer;
  }
  .flex_around {
    display: flex;
    justify-content: space-around;
    align-items: center;
  }
  .v {
    width: 100%;
  }
  .logo2 {
    width: 20%;
    height: auto;
    z-index: 2;
  }
  .txt1 {
    font-size: 48px;
    color: #111111;
  }
  .txt2 {
    font-size: 30px;
    color: #666666;
  }
  .bottom {
    width: 100%;
    height: 300px;
    background: #0376f7;
    margin-top: 80px;
    padding: 30px 0;
  }
  .box_img{
    width: 40%;
    height: 500px;
    position: relative;
  }
  .logo31{
    width: 40%;
    height: auto;
  }
  .logo32{
    width: 50%;
    height: auto;
    position: absolute;
    top: 130px;
    left: 70%;
  }
  .logo33{
    width: 50%;
    height: auto;
    position: absolute;
    top:300px;
    left: 15%;
  }
  @media screen and (min-width: 1500px) {
    .text1{
        top: 30px;
    }
    .btn_down{
        top: 30px;
    }
  }