html{
    width: 100%;
    height: 100%;
    overflow: hidden;
}
body{
    width: 100%;
    height: 100%;
    overflow: hidden;
}
#content {
    transition: top 1s ease;
    top: 0;
    position: relative;
}
#page1{
    background:#202020  url("./img/page01_bg.jpg") no-repeat;
    background-size: auto 100%;
    background-position: bottom center;
    color: #fff;
}
#page2{
    background: #fff url("./img/jiudian.jpg") no-repeat;
    background-size: auto 100%;
    background-position: bottom center;
}
#page3{
    background: #171717  url("./img/jiage.jpg") no-repeat;
    background-size: auto 100%;
    background-position: bottom center;
    color: #fff;
}
#page4{
    background: #fff url("./img/fuwu.jpg") no-repeat;
    background-size: auto 100%;
    background-position: bottom center;
}
#page5{
    background: #000 url("./img/rongyu02.png") no-repeat;
    background-size: auto 100%;
    background-position: bottom center;
    color: #fff;
}
#page6{
    background: url("./img/hezuo02.jpg") no-repeat;
    background-size: auto 100%;
    background-position: bottom center;
}
#page7{
    background:#171717  url("./img/jiaru.jpg") no-repeat;
    background-size: auto 100%;
    background-position: bottom center;
    color: #fff;
}

#page_size_box{
    position: fixed;
    z-index: 10;
    right: 17px;
    top: 40%;
    margin-top: -64px;
}
#page_size_box li{
    width: 12px;
    height: 12px;
    margin: 12px 0;
    border-radius: 50%;
    background: #ccc;
    cursor: pointer;
}
#page_size_box li.on{
    background: #f83a34;
}
#btn_qq{
    display: block;
    width: 26px;
    font-size: 14px;
    background: #fff;
    text-align: center;
    position: fixed;
    bottom: 100px;
    right: 15px;
    z-index: 999;
    border: 2px solid #f83a34;
    padding: 5px;
    line-height: 20px;
}
#btn_qq .iconfont{
    font-size: 27px;
    line-height: 30px;
    color: #f83a34;
}
.page_box{
    width: 100%;
    height: 100vh;
    min-height: 540px;
    position: relative;
    overflow: hidden;
}
.page_box .txt_box{
    width: 1200px;
    margin: 0 auto;
}
.page_box .page_title{
    font-size:28px;
    font-weight: 400;
    text-align: center;
    margin-bottom: 80px;
}
.page_box .page_title:after{
    content: '';
    display: block;
    margin: 0 auto;
    position: relative;
    top: 20px;
    height: 2px;
    width: 100px;
    background: #f83a34;
}
.page_box h2{
    font-size: 18px;
    margin-top: -30px;
    margin-bottom: 50px;
    color: #888;
    font-weight: 400;
    text-align: center;
}
.page_box .cont_box{
    display: block;
    max-width: 1200px;
    min-width: 1000px;
    height: 460px;
    margin:auto;
    text-align: center;
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
}
@media screen and (min-width: 1200px){
    .page_box .cont_box{
        width: 1200px;
    }
}
@media screen and (max-width: 1200px){
    .page_box .cont_box{
        width: 1000px;
    }
}
#page1 .cont_box,#page3 .cont_box,#page4 .cont_box{
    min-width: 700px;
}
#page1 .cont_box{
    height: 400px;
}
#page1 .cont_box p{
   font-size: 27px;
    margin-bottom: 60px;
}
#page1 p span{
    line-height: 89px;
    font-size: 40px;
}
#page1 .page_link{
    width:100%;
    min-width: 1000px;
    text-align: center;
    position: absolute;
    bottom: 8%;
}
#page1 .page_link a{
    display: inline-block;
    width: 150px;
    height: 100px;
    margin: 0 75px;
}
#page1 .to_page2{
    background: url("./img/page2_link01.png") no-repeat;
    background-size: 100% auto;
}
#page1 .to_page2:hover{
    background: url("./img/page2_link02.png") no-repeat;
    background-size: 100% auto;
}
#page1 .to_page3{
    background: url("./img/page3_link01.png") no-repeat;
    background-size: 100% auto;
}
#page1 .to_page3:hover{
    background: url("./img/page3_link02.png") no-repeat;
    background-size: 100% auto;
}
#page1 .to_page6{
    background: url("./img/page6_link01.png") no-repeat;
    background-size: 100% auto;
}
#page1 .to_page6:hover{
    background: url("./img/page6_link02.png") no-repeat;
    background-size: 100% auto;
}

#page2 .cont_box li{
    display: inline-block;
    width: 15%;
    padding: 2%;
    margin: 0 2%;
    /*margin: 0 25px;*/
    /*padding:30px;*/
    text-align: center;
    height: 300px;
    background: url("./img/liubian.png") no-repeat;
    background-size: 100% auto;
    background-position: top center;
    vertical-align: top;
}
#page2 .cont_box li .iconfont{
    font-size: 40px;
    color:#f83a34;
}
#page2 .cont_box li h3{
    font-size: 18px;
    margin-bottom: 10px;
}
#page2 .cont_box li p{
    font-size: 14px;
    color: #999;
}


#page3 .cont_box p{
    width: 670px;
    margin: 0 auto;
    position: relative;
    font-size: 24px;
    line-height: 48px;
    margin-bottom: 80px;

}
#page3 .cont_box p .num1{
    font-size: 30px;
    margin-left: -40px;
    color: #777;
}
#page3 .cont_box p .num2{
    font-size: 30px;
    margin-right: -40px;
    color: #777;
}

.page_box .cont_box .btn{
    display: inline-block;
    font-size: 16px;
    color: #f83a34;
    border: 2px solid #f83a34;
    padding:10px 15px;
    margin: 30px ;
    position: relative;
    z-index: 9;
    background-color: rgba(0,0,0,.5);
}
.page_box .cont_box .btn:hover{
    background-color: transparent;;
}
#page4 .cont_box p{
    font-size: 18px;
    line-height: 40px;
    color: #333;
}
#page5 .cont_box li{
    position: relative;
    display: inline-block;
    width: 20%;
    margin: 0 2%;
    text-align: center;
    height: 300px;
    vertical-align: top;
}
#page5 .cont_box li img{
    max-width: 100%;
}
#page5 .cont_box li span{
    font-size: 16px;
    color: #fff;
}
#page5 .cont_box .page_foot{
    font-size: 18px;
    color: #fff;
}
#page6 .cont_box li{
    display: inline-block;
    width: 16%;
    padding: 1.5%;
    margin: 0 2%;
    text-align: center;
    height: 300px;
    background: #fff;
    vertical-align: top;
}
#page6 .cont_box li span{
    font-size:18px ;
    line-height: 40px;
    color: #999;
}
#page6 .cont_box li h3{
    font-size: 24px;
    color: #333;
    font-weight: 400;
}
#page6 .cont_box li .iconfont{
    font-size: 50px;
    color: #f83a34;
}
#page6 .cont_box li p{
    font-size: 15px;
    color: #999;
    margin-top: 40px;
}

#page7 .cont_box li{
    display: inline-block;
    width: 12%;
    margin: 0 2%;
    height: 200px;
    vertical-align: top;
}
#page7 .cont_box li img{
    max-width: 100%;
}
#page7 .cont_box span{
    font-size: 16px;
}
#page7 .cont_box .btn{
    padding:10px 30px;
}