.head{
    background: #ffffff;
    padding: .5rem 0 0;
}
.head .logo{
    width: 90%;
    height: auto;
    margin: 0 auto;
}
.head .logo img{
    width: 100%;
    height:auto;
}
.head .gnq{
    text-align: center;
    margin: .5rem auto .2rem;
    font-size: .28rem;
}
.head .gnq a{
    margin:0 .1rem;
}
.head .search{
    width: 80%;
    margin: 0 auto .6rem;
}
.head .search form {
    position: relative;
    width: 100%;
    height: .8rem;
    line-height: .8rem;
    display: block;
    background: #ffffff;
    overflow: hidden;
    border:1px solid #297acc;
    border-radius: .15rem;
}

.head  .search form input {
    height: 100%;
    display: block;
    background: none;
    font-size: 18px;
    border: none;
    width: 80%;
    text-indent: 10px;
}

.head  .search form button {
    width: 20%;
    text-align: center;
    height: 100%;
    background: #297acc;
    cursor: pointer;
    display: block;
    border-radius: .1rem 0 0 .1rem;
    border: none;
}

.head .search form button img {
    width: .5rem;
    height: .5rem;
    line-height: 1rem;
}

.head .search .ssbox {
    position: relative;
    width: 100%;
    height: .8rem;
    line-height: .8rem;
    display: block;
    background: #ffffff;
    overflow: hidden;
    border:1px solid #297acc;
    border-radius: .15rem;
}

.head  .search .ssbox input {
    height: 100%;
    display: block;
    background: none;
    font-size: 18px;
    border: none;
    width: 80%;
    text-indent: 10px;
}

.head  .search .ssbox .ssbtn{
    width: 20%;
    text-align: center;
    height: 100%;
    background: #297acc;
    cursor: pointer;
    display: block;
    border-radius: .1rem 0 0 .1rem;
    border: none;
    background: url(search_m.png) center center no-repeat #297acc;
    background-size: 25px;
}


.head .nav{
    background: #297acc;
    padding: 0.3rem 0 0;
    font-size: .28rem;
}
.head .nav li{
    width: 25%;
    color: #ffffff;
    float: left;
    display: block;
    text-align: center;
    padding-bottom: .3rem;
}
.head .nav li img {
    display: block;
    width: 0.55rem;
    height: 0.55rem;
    text-align: center;
    margin: 0 auto;
    padding-bottom: 0.1rem;
}