@charset "utf-8";
/* CSS Document */
body{
    background: url("imgs/bg.jpg") no-repeat center top;
    font-weight: bold;
}
.clearfix::after{
    content: "";
    display: block;
    clear: both;
}
header{
    width: 1198px;
    height: 73px;
    line-height: 73px;
    color: #f8b700;
    margin: 0 auto;
    margin-top: 45px;
    background: url("imgs/bg_nav.jpg") no-repeat 0 0/100% 100%;
    border: 1px solid #3f2a22;
    border-left: none;
    border-right: none;
    position: relative;
}
header nav a{
    float: left;
    width: 161px;
    height: 73px;
    text-align: center;
    box-sizing: border-box;
    border: 1px solid #3f2a22;
    border-top: none;
    border-bottom: none;
}
header nav a:nth-child(3){
    margin-right: 232px;
}
.header .logo{
    position: absolute;
    width: 238px;
    height: 118px;
    background: url("imgs/logo.png") no-repeat;
    left: 7px;
    top: -37px;
    right: 0;
    margin: auto;
    
}
.header .logo h1{
    display: none;
}
.menu{
    text-align: center;
    margin-top: 473px;
}
.menu a{
    display: inline-block;
    width: 323px;
    height: 95px;
    background: url("imgs/btns.png");
}
.menu a span{
    display: none;
}
.menu a.download{
    background-position: -323px 0;
}
.adv{
    width: 1203px;
    margin: 76px auto;
    
}
.adv .item{
    float: left;
    width: 290px;
    height: 200px;
    margin-right: 13px;
    outline: 2px solid #3f2a22;
}
.adv .item:last-child{
    margin-right: 0;
}
.adv .item .title{
    height: 50px;
    line-height: 50px;
    text-align: center;
    background: #211510;
    color: #f8b700;
    box-sizing: border-box;
    border-bottom: 2px solid #3f2a22;
}
.adv .item .img{
    height: 150px;
}
.adv .item .img img{
    width: 290px;
    height: 150px;
}