body {
    font-size: 12px;
    font-family: "\5FAE\8F6F\96C5\9ED1", Tahoma, Geneva, sans-serif;
    background: #fff;
}
.nav{
    display: flex;
    background: #2b2d30;
    justify-content: space-between;
    margin:0 auto;
    width: 1920px;
}
.nav .nav_link{
    display: flex;
    justify-content: space-between;
}
.nav .nav_link a{
    color:#949393;
    font-size: 18px;
    line-height: 79px;
    margin:0 30px;
    padding:0 10px;
}
.nav .nav_link a.on,.nav .nav_link a:hover{
    color:#f0f0f0;
}
.about{
    width: 1920px;
    margin:0 auto;
}
.title{
    text-align: center;
    color:#405c31;
    height:70px;
    padding-top:77px;
}
.title .p1{
    font-size: 40px;
}
.title .p2{
    font-size: 17px;
}
.about .about_tab{
    margin:36px 0 50px 0;
    width: 1920px;
    text-align: center;
}
.about .about_tab a{
    display: inline-block;
    width:254px;
    height:64px;
    color:#ffffff;
    line-height: 64px;
    text-align: center;
    font-size: 28px;
    margin:0 45px;
    background: #b5b3b3;
}
.about .about_tab a.cur{
    background:#405c31;
}
.tab_con{
    width: 1920px;
    height:386px;
    background: url("../images/text_bg.jpg") 0 0 no-repeat;
}
.tab_con .about_det1{
    width: 1300px;
    margin:0 auto;
    padding-top:75px;
}
.tab_con .about_det2{
    width: 690px;
    margin:0 auto;
    padding-top:85px;
}

.tab_con .about_det1 p{
    text-indent: 2em;
}
.tab_con .about_det1 .mg{
    margin-top:25px;
}
.tab_con p{
    color:#ffffff;
    font-size: 24px;
    display: flex;
    line-height:50px;
}
.tab_con p .s1{
    text-align-last: justify;
    width: 100px;
    margin-right:50px;
}
.banner_wrap{
    position: relative;
    overflow:hidden;
    width: 1920px;
    margin:0 auto;
}
.banner_wrap .banner{
    width: 10000px;
    display: flex;
    position: relative;
    transition:all 1s;
    left:0;
}
.banner_wrap .banner .banner_img{
    position: relative;
    width: 1920px;
    text-align: center;
}
.banner_wrap .banner .banner_img .age_tip{
    position: absolute;
    top:43px;
    left:76px;
}
.banner_wrap .banner .banner_img .enter_btn{
    top:675px;
    left:50%;
    margin-left:-147px;
    position: absolute;
    width: 294px;
    height:104px;
    background: url("../images/enter_btn1.png") 0 0 no-repeat;
}
.banner_wrap .banner .banner_img .enter_btn:hover{
    background: url("../images/enter_btn2.png") 0 0 no-repeat;
}

.banner_btns .left_btn{
    position: absolute;
    top:320px;
    left:64px;
    width: 65px;
    height:120px;
    background: url("../images/btn_left.png") 0 0 no-repeat;
}
.banner_btns .right_btn{
    position: absolute;
    top:320px;
    right:64px;
    width: 65px;
    height:120px;
    background: url("../images/btn_right.png") 0 0 no-repeat;
}
.join{
    margin:0 auto;
    width: 1920px;
}
.join_det{
    width: 1920px;
    height: 386px;
    background: url(../images/text_bg.jpg) 0 0 no-repeat;
    margin-top: 75px;
    display: flex;
    align-content: center;
    justify-content: center;
    align-items: center;
}
.join_det p{
    color:#ffffff;
    font-size: 24px;
   
}
.connect{
    text-align: center;
    color:#636363;
    font-size: 24px;
    padding:35px 0 40px 0;
}
.slogan{
    height:150px;
    text-align: center;
    font-size: 24px;
    width: 1920px;
    margin:0 auto;
    color:#405c31;
    padding-top:45px;
}