.top-img{
    width: 100%;
    height: 492px;
    background-color: #ffffff;
    margin-bottom: 17px;
}
.top-img img{
    width: 100%;
    height: 100%;
}

.content{
    width: 100%;
    height: 916px;
    background-color: #eeeeee;
}
.content-nav{
    display:inline-block;
    width: 170px;
    min-height: 350px;
    margin-top: 15px;
    margin-left: 10px;
    vertical-align: top;
}
.content-nav-title{
    min-height: 50px;
    width: 170px;
    font-size: 26px;
    font-weight: 600;
    text-align: center;
    line-height: 50px;
    color: #3d1d08;
}
.content-nav-list{
    min-height: 300px;
    width: 170px;
}
.content-base{
    display:inline-block;
    width: 950px;
    min-height: 852px;
    margin-top: 15px;
    margin-left: 40px;
    background-color: #ffffff;
}
.content-position{
    width: 400px;
    height: 20px;
    margin-top: 20px;
    margin-left: 30px;
}
.content-line{
    width: 920px;
    height: 2px;
    background: #aa5025;
    margin-top: 13px;
    margin-left: 18px;
}
.content-box{
    width: 900px;
    min-height: 550px;
    margin-top: 51px;
    margin-left: 25px;
}
.content-button{
    width: 96px;
    height: 31px;
    border: 2px solid #aa5025 ;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 52px;
}