.head{
    height:118px;
    width: 100%;
    background-color: rgba(0, 0,0, 0.2);
}
 .head .logo{
 margin-top:17px;
 }
 .head .sup{
    height:65px;
    line-height: 65px;
 }
 .head .sup .opbtn a{
    display: block;
    color:#fff;
    font-size: 14px;
    padding-left: 30px;
    background:url(../images/login.png) left center no-repeat;
 }
 .head .sup .opbtn .login{
    margin-right: 36px;
 }
 .head .sup .opbtn .reg{
    background:url(../images/reg.png) left center no-repeat;
    margin-right: 36px;
 }
 .head .sup .opbtn input{
    padding-left: 10px;
    width:190px;
    height:30px;
    border:none;
 }
 .head .sup .opbtn .sch_box{
    width: 228px;
    height: 30px;
    border: solid 1px #ffffff;
    margin-top:17px;
 }
 .head .sup .opbtn input{
    background:none;
    outline: none;
    color: #fff;
    border:0;
 }
 .head .sup .opbtn .schbtn{
    width:28px;
    padding:0;
    height:30px;
    background:url(../images/sec.png) center center no-repeat;
    cursor: pointer;
    outline: none;
    border:0;
 }
 .nav ul li{
    float: left;
    margin-right:26px;
 }
 .nav ul li.last{
    margin-right: 0;
 }
 .nav ul li a{
    color:#fff;
    font-size: 18px;
    line-height: 38px; 
 }