.nav {
    position: fixed;
    top: 50%;
    right: 0;
    background: #fff;
    padding: 12px 10px;
    border-radius: 20px;
    transform: translate(-20px, -50%);
    color: #0973af;
    font-size: 24px;
    box-shadow: 0 2px 15px 0 rgba(0, 0, 0, 0.1);
    z-index: 998;
  }
  .nav > .nav-img {
    position: relative;
    width: 26px;
    height: 26px;
    cursor: pointer;
  }
  .nav > .nav-img .nav-none {
    display: none;
    cursor: default;
  }
  .nav > .nav-img .nav-none .nav-floating::after {
    content: "";
    position: absolute;
    top: 50%;
    right: -19px;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 10px;
    border-color: transparent transparent transparent #fff;
  }
  .nav > .nav-img .nav-none .nav-floating {
    position: absolute;
    top: 50%;
    right: 44px;
    transform: translateY(-50%);
    padding: 10px;
    display: inline-block;
    white-space: nowrap;
    background-color: #fff;
    border-radius: 4px;
    color: rgb(120, 120, 120);
    font-size: 16px;
    font-weight: unset;
    box-shadow: -1px 1px 2px 1px rgb(233, 233, 233);
    box-sizing: border-box;
    text-align: center;
  }
  .nav > .nav-img .nav-none .nav-floating .color {
    color: rgb(255, 155, 87);
    margin-right: 5px;
    cursor: pointer;
  }
  .nav > .nav-img .nav-none .nav-floating > img {
    width: 130px;
    height: 130px;
  }
  .nav .nav-img:hover > .nav-none {
    display: block;
  }
  .nav > .line {
    width: 100%;
    height: 1px;
    background: #e8e8e8;
    margin: 10px 0 5px;
  }
  .nav .nav_service {
    display: none;
  }
  .pop-up {
    display: none;
  }