.tab-nav{
    width: 1105px;
    height: 45px;
    box-sizing: border-box;
    border-bottom:1px solid #d6d6d6;
    margin:0 auto;
    line-height: 43px;
    margin-top: 51px;
}
.tab-nav li{
    float: left;
    font-size: 16px;
    margin-left: 178px;
    padding-left: 42px;
    padding-right: 17px;
    box-sizing: border-box;
    position: relative;
    height: 45px;
}
.tab-nav li a{
    color:#494949;
}
.tab-nav li span{
    width: 20px;
    height: 20px;
    position: absolute;
    background-color: #c9c9c9;
    font-size: 14px;
    color:#fff;
    text-align: center;
    line-height: 20px;
    border-radius: 50%;
    left: 13px;
    top: 12px;
}
.tab-nav li.active span{
    background-color: #ffa439;
}
.tab-nav li.active{
    border-bottom:2px solid #ffa439;
}
.tab-content{
    width: 1105px;
    box-sizing: border-box;
    border-bottom:1px solid #d6d6d6;
    margin:0 auto;
    padding-top: 92px;
    margin-bottom: 20px;
    text-align: center;
}
.tab-content .first{
    width: 447px;
    margin: 0 auto;
    padding-left: 40px;
    box-sizing: border-box;
}
.tab-content p{
    height: 35px;
    line-height: 35px;
}
.tab-content p input{
    width: 170px;
    height: 35px;
    border:1px solid #c1c1c1;
    margin-left: 24px;
    box-sizing: border-box;
    margin-right: 12px;
    padding-left: 12px;
    box-sizing: border-box;
}
.tab-content p span{
    color:#494949;
    font-size: 16px;
}
.tab-content p.prompt{
    font-size: 12px;
    color:#ff4444;
    margin-bottom: 25px;
}
.tab-content p.prompt img{
    margin-top: -3px;
    margin-right: 3px;
}
.tab-content .next{
    width: 160px;
    height: 35px;
    line-height: 35xp;
    text-align: center;
    color:#fff;
    font-size: 14px;
    background-color: #ffa439;
    margin-left: 40px;
    margin-top: 40px;
    margin-bottom: 192px;
}
.tab-content .second{
    width: 447px;
    margin: 0 auto;
    /* padding-left: 40px; */
    box-sizing: border-box;
    text-align: left;
}
.tab-content .second p{
    padding-left: 50px;
    margin-bottom: 30px;
}
.tab-content .second p span:nth-child(1){
    margin-right: 15px;
}
.tab-content .second p input{
    margin-left: 0 !important;
    margin-right: 0 !important;
}
.tab-content .second .repeat{
    display: inline-block;
    width: 130px;
    height: 34px;
    text-align: center;
    line-height: 34px;
    background-color: #e4e4e4;
    font-size: 14px;
    color:#494949;
    cursor: pointer;
}
.tab-content .nextSecond{
    width: 160px;
    height: 35px;
    line-height: 35xp;
    text-align: center;
    color:#fff;
    font-size: 14px;
    background-color: #ffa439;
    margin-left: 115px;
    margin-top: 40px;
    margin-bottom: 202px;
}
.tab-content .third{
    width: 480px;
    margin: 0 auto;
    box-sizing: border-box;
    text-align: left;
}
.tab-content .third span{
    display: inline-block;
    width: 74px;
    text-align: right;
}
.tab-content .third p{
    margin-bottom: 30px;
}
.tab-content .nextThird{
    width: 160px;
    height: 35px;
    line-height: 35xp;
    text-align: center;
    color:#fff;
    font-size: 14px;
    background-color: #ffa439;
    margin-left: 102px;
    margin-top: 40px;
    margin-bottom: 202px;
}
i{
    list-style: none;
    color:#7a7a7a;
}
.tab-content .third i img{
    margin-right: 5px;
    margin-top: -2px;
    width: 16px;
    height: 16px;
}
.tab-content .third i span{
    width: 13px !important;
    height: 3px !important;
    background-color: #ff502d;
    margin-right: 2px;
    display: inline-block;
    margin-bottom: 3px;
}
.tab-content .third i span:nth-child(3){
    margin-right: 8px !important;
}
.tab-content .four{
    text-align: right;
    width: 100%;
}
.tab-content .four img{
    display:block;
    margin: 0 auto;
}
.tab-content .loginBtn{
    width: 160px;
    height: 35px;
    line-height: 35xp;
    text-align: center;
    color:#fff;
    font-size: 14px;
    background-color: #ffa439;
    display: block;
    margin: 0 auto;
    margin-top: 43px;
    margin-bottom: 20px;
}
.tab-content .four a{
    display: block;
    margin: 0 auto;
    width: 54px;
    height: 14px;
    text-align: center;
    line-height: 14px;
    text-decoration: underline;
    color:#5f5f5f;
    margin-bottom: 75px;
}

.div-img{
    position: fixed;
    top: 16%;
}
.div-img .tab-img{
    width: 1200px;
    height: 600px;
    margin: 0 auto;

}
.div-img .tab-img a img{
    margin: 0 auto;
    width: 1200px;
}
.div-img .tab-close a img{
    position: absolute;
    display: inline-block;
    width: 35px;
    height: 35px;
    top: 20%;
    right: 38%;
}
.div-img .tab-sm a img{
    position: absolute;
    display: inline-block;
    width: 130px;
    top: 34.2%;
    right: 44.5%;
}