*{
    margin:0;
    padding:0;
    font-size:16px;
    list-style: none;
}
input{
    border:none;
}
input:focus{
    outline: none;
}
.nav{
    width: 100%;
    height: 64px;
    position: fixed;
    z-index: 9;
    left: 0;
    top: 0;
    background: #202020;
}
.nav .center{
    width: 1100px;
    height: 64px;
    margin: 0 auto;
}

.nav .center .logo{
    padding-top: 20px;
    float: left;
}
.nav .center  .rightnav{
    float: right;
    width: 770px;
    overflow: hidden;
}
.nav .center  .rightnav ul{
    overflow: hidden;
}
.nav .center  .rightnav ul li{
    float: left;
    width: 110px;
    height: 64px;
    line-height: 64px;
    text-align: center;
    cursor: pointer;
    font-size: 16px;
    color: #f53c45;
}
.nav .center  .rightnav ul li.active{
     background: #2f2720;
}
.nav .center  .rightnav ul li.active span strong{
    display: none;;
}
.nav .center  .rightnav ul li span{
    width: 14px;
    height: 14px;
    display: inline-block;
    background: #f53c45;
    position: relative;
    border-radius: 55px;
    margin-right: 4px;
}
.nav .center  .rightnav ul li span strong{
    position: absolute;
    width: 10px;
    height: 10px;
    left: 2px;
    top: 2px;
    border-radius: 55px;
    background: #202020;
}
.nav .center  .rightnav ul li:hover span strong{
    display: none;
    
}
#fp-nav.right{
    right:80px;
}

#fp-nav span{
    width: 14px;
    height: 14px;
}

#fp-nav ul li a.active span{
    background: #c1373e;
}
.section img{
    width:100%;
}
.font{
    position:absolute;
    bottom:17%;
    left:0;
    right:0;
    margin:0 auto;
}
.font p{
    color:#f3f3f3;
    text-align:center;
    font-size:12px;
    margin:5px 0;
}
.content{
    position:absolute;
    top:18%;
    width:50%;
    left:25%;
}
.content .title{
    width:30%;
    margin-left:35%;
}
.changes{
    margin-top:5%;
}
.change{
    float:left;
    width:48%;
    font-weight:bold;
    color:#fff;
    text-align:center;
    height:50px;
    line-height: 50px;
    background:#261414;
    margin-bottom:5%;
    cursor: pointer;
}
.change.right{
    float:right;
}
.change.active{
    background:#c0353c;
}
.changes img{
    display:none;
}
.changes img.show{
    display:block;
}
/* 表单 */
.params{
    position:absolute;
    bottom:12%;
    left:40%;
    width:20%;
}
.param{
    width:100%;
    margin:8% 0;
}
.param p{
    margin:5px 0;
    color:#242222;
    font-weight:bold;
}
.param span{
    color:#c0353c;
    margin-left:5px;
}
.param input{
    background:#e7e6e6;
    width:100%;
    height:30px;
    text-indent:3px;
}
.params .button{
    width:50%;
    margin:0 auto;
    margin-top:10%;
    cursor: pointer;
}
.params .button img{
    width:100%;
}
@media screen and (max-width: 1680px) {
    .param{
        margin:5% 0;
    }
    .params .button{
        margin-top:8%;
    }
}
@media screen and (max-width: 1366px) {
    .param{
        margin:0;
    }
}