html,body{
    margin: 0;
    padding: 0;
    background-color: #fff;
  }
  body{
    /* max-width: 1920px; */
    /* min-width: 1280px; */
    min-height: 100vh;
    margin: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  
body::-webkit-scrollbar {
  display: none;
}
  .animate{
    transition: all 0.5s ease 0s;
    /* Firefox 4 */
    -moz-transition:all 0.5s ease 0s;
    /* Safari and Chrome */
    -webkit-transition:all 0.5s ease 0s;
    /* Opera */
    -o-transition:all 0.5s ease 0s;
  }

  *,::after,::before{
    box-sizing: inherit;
  }
  /*头*/
  .header_box{
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 999;
    background-color: #fff;
    box-shadow:  0 0 20px 0 rgba(0, 0, 0, 0.1);
  }
  .header_con{
    width: 120rem;
    height: 8vmin;
    box-sizing: border-box;
    margin: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .header_con .logo{
    display: flex;
    align-items: center;
  }
  .header_con .logo img{
    width: 4.2rem;
    height: 4.2rem;
  }
  .header_con .logo p{
    color: #474747;
    font-weight: bold;
    margin-left: 16px;
    font-size: 1.8rem;
  }
  .nav_box{
    display: flex;
    align-items: center;
  }
  .nav_box .nav_item{
    color: #474747;
    display: inline-flex;
    align-items: center;
    position: relative;
    font-size: 16px;
    line-height: 32px;
    cursor: pointer;
  }
  .nav_box .nav_item img{
    width: 2.2rem;
    height: 2.2rem;
    margin-right: .5rem;
  }
  .nav_box .nav_item::after{
    content: '';
    display: block;
    position: absolute;
    bottom: 0;
    left: 0;
    height: 1px;
    width: 100%;
    background-color: #fff;
  }
  .nav_box .nav_item+.nav_item{
    margin-left: 8rem;
  }
  .nav_box .nav_item:hover{
    font-weight: bold;
    color: #5295FE;
  }
  .nav_box .nav_item:hover::after{
    background-color: #5295FE;
  }
  .nav_box .on{
    font-weight: bold;
    color: #5295FE;
  }
  .nav_box .on::after{
    background-color: #5295FE;
  }

@media screen and (max-width: 960px) {
  .header_con{
    width: 100%;
    padding: 0 4vmin;
    height: 12vmin;
  }
  .header_con .logo img{
    height: 8vmin;
    width: 8vmin;
  }
  .header_con .logo p{
    margin-left: 1vmin;
    font-size: 4vmin;
  }
  .nav_box{
    flex: 1;
    margin-left: 9vmin;
    display: flex;
    overflow-x: auto;
  }
  .nav_box::-webkit-scrollbar {
    display: none;
  }
  .nav_box .nav_item{
    font-size: 3vmin;
    white-space: nowrap;
  }
  .nav_box .nav_item:hover{
    font-weight: unset;
    color: #474747;
  }
  .nav_box .nav_item:hover::after{
    background-color: #fff;
  }
  .nav_box .on{
    font-weight: bold !important;
    color: #5295FE !important;
  }
  .nav_box .on::after{
    background-color: #5295FE !important;
  }
  .nav_box .nav_item img{
    width: 3vmin;
    height: 3vmin;
  }
  .nav_box .nav_item+.nav_item{
    margin-left: 4vmin;
  }
}
  /*脚*/
  .footer{
    margin-top: 18rem;
    width: 100%;
    background-color: #5295FE;
    padding: 5rem 0;
    display: flex;
    justify-content: center;
  }
  .footer_con{
    width: 120rem;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .footer_con h3{
    font-size: 3.2rem;
    line-height: 4.8rem;
    color: #fff;
  }
  .footer_con>p{
    font-size: 2rem;
    line-height: 3rem;
    color: #fff;
  }
  .footer_con button{
    /* margin-top: 1.4rem; */
    width: 32rem;
    height: 6rem;
    border-radius: .8rem;
    background-color: #00E0A0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #fff;
  }
  .footer_con .line{
    width: 100%;
    display: flex;
    align-items: center;
    margin-top: 4rem;
  }
  .footer_con .line p{
    font-size: 1.6rem;
    line-height: 2.4rem;
    color: #fff;
    margin: 0 2rem;
  }
  .footer_con .line::after{
    content: '';
    display: block;
    flex: 1;
    height: 1px;
    background-color: #fff;
  }
  .footer_con .line::before{
    content: '';
    display: block;
    flex: 1;
    height: 1px;
    background-color: #fff;
  }
  .footer_con .option{
    margin-top: 1.9rem;
    display: flex;
  }
  .footer_con .option .item{
    width: 32rem;
    height: 6.6rem;
    border: 0.2rem solid #fff;
    /* background-color: #0093a2; */
    border-radius: 0.8rem;
    display: flex;
    align-items: center;
    padding: 0 2.4rem;
    box-sizing: border-box;
  }
  .footer_con .option .item img{
    width: 2rem;
    height: 2rem;
  }
  .footer_con .option .item p{
    margin-left: 2rem;
    font-size: 2rem;
    color: #fff;
  }
  .footer_con .option .item+.item{
    margin-left: 2rem;
  }
  .footer_con>p{
    font-size: 1.2rem;
    margin-top: 3rem;
    color: #fff;
    font-weight: lighter;
  }
  @media screen and (max-width: 960px) {
    /*脚*/
    .footer{
      margin-top: 20vmin;
      padding: 4vmin 0;
    }
    .footer_con{
      width: 100%;
    }
    .footer_con .option .item{
      width: 40vmin;
      height: 10vmin;
      border: 0.2rem solid #fff;
      border-radius: 1vmin;
      padding: 0 3vmin;
      white-space: nowrap;
    }
    .footer_con .option .item img{
      width: 4vmin;
      height: 4vmin;
    }
    .footer_con .option .item p{
      margin-left: 3vmin;
      font-size: 3vmin;
    }
    .footer_con .option .item+.item{
      margin-left: 3vmin;
    }
    .footer_con>p{
      width: 90vmin;
      font-size: 2vmin;
      line-height: 1.5;
      margin: auto;
      margin-top: 4vmin;
      text-align: center;
    }
  }

  .toast{
    position: fixed;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    padding: 0 3rem;
    opacity: 0;
    z-index: -1;
    border-radius: .8rem;
    background-color: rgba(0, 0, 0, 0.6);
    box-shadow:  0 0 20px 0 rgba(0, 0, 0, 0.1);
  }
  .toast p{
    font-size: 1.6rem;
    line-height: 3;
    color: #fff;
  }
  @media screen and (max-width: 960px) {
    .toast{
      position: fixed;
      top: 40%;
      left: 50%;
      transform: translateX(-50%);
      padding: 0 4vmin;
      opacity: 0;
      z-index: -1;
      border-radius: 1vmin;
      background-color: rgba(0, 0, 0, 0.6);
      box-shadow:  0 0 4vmin 0 rgba(0, 0, 0, 0.1);
    }
    .toast p{
      font-size: 2.5vmin;
      line-height: 3;
      white-space: nowrap;
    }
  }