* {
    padding: 0;
    margin: 0;
  }

  html {
    width: 100%;
  }

  body {
    width: 100%;
    background-color: #F1F1F1;
    font-size: 1vw;
    box-sizing: border-box;
  }

  header {
    height: 4vw;
    line-height: 4vw;
    width: 100%;
    padding: 0px 5vw;
    box-sizing: border-box;
    position: fixed;
    top: 0;
    z-index: 99;
    background: #fff;
    color: #333;
    box-shadow: 0 .1vw .3vw rgba(0, 0, 0, 0.2);
  }
nav{
    display: flex;
    justify-content: space-between;
}
  nav img {
    width: 2vw;
    height: 2vw;  
    vertical-align: middle;
  }

  nav ul {
    list-style-type: none;
  }


  nav li {
    float: left;
    
    margin-right: 2vw;
    opacity: 1;
    display: block;
    text-align: center;
   
    box-sizing: border-box;
    padding: 0 1vw;
    box-sizing: border-box;
    height: 2vw;
    margin-top: 1vw;
    line-height: 2vw;
    cursor: pointer;
  }

  nav li a {
    text-decoration: none;
    color: #333;
    display: block; 
    width: 100%;
    height: 100%;
  }

  nav li:hover {
    border-bottom: .2vw solid #C5FB49;
  }
  nav .active{
    border-bottom: .2vw solid #C5FB49;
  }
  section {
    margin-top: 8vw;
    width: 100%;
  }

  #foot{
    width: 100vw;
    padding: 8vw 15vw;
    box-sizing: border-box;
    background-color: #000;
    color: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .footlmax{
    font-size: 2vw;
    font-weight: bold;
    margin-bottom: 3vw;
  }
  .finfo{
    display: flex;
    justify-content: left;
    align-items: center;
    width: 30vw;
    margin-bottom: 2vw;
  }
  .finfo img{
    width: 2vw;
    height: 2vw;
    margin-right: 1vw;

  }
  .footr{
    width: 20vw;
    border-radius: 1vw;
    background-color: #fff;
    padding: 2vw;
  }
  .footr .name,.footr .email{
    width: 47%;
    height: 2vw;
    margin-right: 2%;
    margin-bottom: 1.2vw;
    padding-left: 3px;
    box-sizing: border-box;
    font-size: .8vw;
  }

  .footr .phone{
    width: 98%;
    height: 2vw;
    margin-right: 2%;
    margin-bottom: 1.2vw;
    padding-left: 3px;
    box-sizing: border-box;
    font-size: .8vw;

  }
  .footr .message{
    width: 98%;
    padding: 3px;
    box-sizing: border-box;
    font-size: .8vw;
  }
  .send{
    color: #171717;
    border-radius: 1vw;
    border: 1px solid #000;
    height: 2vw;
    width: 6vw;
    text-align: center;
    line-height: 2vw;
    font-size: .8vw;
    font-weight: bold;
    background-color: #C5FB49;
    margin-top: 1vw;
    cursor: pointer;
  }