.nav{
    height: 80px;
    background: rgba(0,0,0,.5);
}
.banner{
    /*height: 80px;*/
    /*background-color: #000;*/
}
.v-top{
    width: 1400px;
    height: 82px;
    margin: 50px auto 0;
    position: relative;
}
.v-top-text{
    margin-top: 14px;
    font-size: 14px;
    color: #646464;
}
.v-top-s{
    position: absolute;
    top: 0;
    right: 0;
    width: 425px;
    height: 34px;
    border: 1px solid #E1E1E1;
}
.v-top-s input{
    width: 290px;
    margin-left: 16px;
    height: 20px;
    line-height: 20px;
    font-size: 16px;
    margin-top: 7px;
    border: none;
    outline: none;
}
.v-top-btn{
    float: right;
    width: 108px;
    height: 34px;
    line-height: 34px;
    background-color: #F5E091;
    text-align: center;
    font-size: 18px;
    cursor: pointer;
}
.v-top-btn i{
    font-size: 20px;
    margin-right: 5px;
}