.header{
    width: 100%;
background: #f8f8f8;
}
.header .tophead{
    /*background:#555 ;*/
    background:#c41019 ;
    height:25px;
}
.logo img{
    width: 100%;
    margin-top: 17px;
}
.nav-box {
    width: 100%;
    min-width: 1024px;
    margin-top: 90px;
    padding: 0px 0;
    margin-bottom: 40px;
}
.nav{
background: #f8f8f8;
}
.nav>li>a{
   font-size: 18px;
    color: #333;
    text-decoration: none;
}
.nav>li{
    padding: 0px 30px;
    float: left;
    line-height: 45px;
    position: relative;
}
 .nav-box .nav li.selected>a {
    color: #b91c10;
  }
  .nav-box .nav li:hover .nav-item {
    display: block;
  }
  .nav-box .nav li:hover>a {
    color: #b91c10;
  }

.nav-item {
    position: absolute;
    height: 35px;
    width: 600%;
    display: none;
    top: 45px;
    right: -100px;
  }
  .nav-item span {
    float: right;
    line-height: 20px;
    height: 35px;
    text-align: center;
    font-size: 16px;
    margin: 10px 10px;
  }
  .nav-item span a {
    text-decoration: none;
    color: #333;
  }

  .nav-item span:hover>a {
    color: #b91c10;
  }
.nav>li>ul{
   width: 98px;
    border: 1px solid #333;
    position: absolute;
    /* top: 98px; */
    border-top: 0;
    left: -1px;
    display: none;
    z-index: 99;
    background: #fff;
}
.nav>li>ul>li{
   padding: 8px 0px;
    line-height: 30px;
    text-align: center;
}
.nav>li>ul>li>a{
    color:#c41019;
    font-size: 16px;
    text-decoration: none;
}

.icon .serch{
   float: left;
    width: 200px;
    height: 40px;
    overflow: hidden;
    position: relative;
    margin-top: 35px;
}
.icon .serch input {
   width: 185px;
    border-radius: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,.3);
    margin: 0;
    padding-left: 10px;
    outline: none;
    -webkit-appearance: none;
    border: 1px solid #ccc;
    height: 25px;
}
.icon .serch i {
   position: absolute;
    display: block;
    width: 15px;
    height: 15px;
    right: 14px;
    top: 5px;
    cursor: pointer;
}
.icon .wechat{
    float: left;
    display: block;
    width: 40px;
    margin: 35px 15px;
    cursor: pointer;
}