.history_body_bg2{
    background-image:url('../../images/about/development_history.png');
}
.history2_bg{
    position:absolute;
    left:0;bottom:0;z-index:0;
    height:100%;
    width:100%;
    background-image:url('../../images/about/history2_bg.png');
    background-size:100% 80%;
    background-position: bottom;
    background-repeat:no-repeat;
}
.history2_title{
    position:absolute;
    left:10%;bottom:10%;z-index:1;
    height:10%;
    width:30%;
}
.history2_title span{font-size:28px;font-weight:bold;color:#000;position:absolute;z-index:2;}
.history2_title p{font-size:50px;font-weight:500;color:#DDD;position:absolute;z-index:1;}
.history2_progress{position:absolute;bottom:14%;left:0;right:0;margin:0 auto;height:3px;background:#AAA;width:50%;}
.history2_progress i{position:absolute;z-index:1;left:0px;top:-2px;width:6px;height:6px;border-radius:50%;background:#c9151e;}
.history2_progress div{background:#c9151e;width:0;height:100%;position:absolute;z-index:2;left:0;}
.history_ul{overflow:hidden;width:80%;height:60%;margin:0 auto;position:absolute;left:0;right:0;top:10%;}
.history_ul ul{overflow-x: auto;width:10000px;height:100%;padding-top:10%;position:relative;}
.history_ul li{float:left;width:350px;height:100%;margin-left:70px;overflow:hidden;position:relative;}
.history_ul li img{width:90%;position:relative;z-index:1;left:10%;top:0;}
.history_ul li:nth-child(2n+1) img{top:15%;}
.history_ul li:nth-child(2n+2) img{top:30%;}
.history_ul li p{color:#c9151e;font-size:50px;font-weight:bold;position:absolute;z-index:2;top:42%;}
.history_ul li span{color:#000;font-size:13px;position:absolute;z-index:2;top:64%;display:block;}
.history_ul li:nth-child(2n+1) p{top:47%;}
.history_ul li:nth-child(2n+2) p{top:62%;}
.history_ul li:nth-child(2n+1) span{top:67%;}
.history_ul li:nth-child(2n+2) span{top:82%;}
/*第二屏*/
.history3_bg{
    position:absolute;
    left:0%;bottom:0;z-index:0;
    height:100%;
    width:35%;
    background-image:url('../../images/about/history3_bg.png');
    background-size:100%;
    background-position: bottom;
    background-repeat:no-repeat;
    -webkit-animation:fadeInUpBig 2s .2s ease both;
    -moz-animation:fadeInUpBig 2s .2s ease both;
}
@-webkit-keyframes fadeInUpBig{
    0%{opacity:0;
        top:-200px;
        }
    100%{opacity:1;top:0;
        }
}
@-moz-keyframes fadeInUpBig{
    0%{opacity:0;top:-200px;
        }
    100%{opacity:1;top:0px;
        }
}
.history3_bg2{
    position:absolute;
    left:0;bottom:0;z-index:0;
    height:20%;
    width:25%;
    background-image:url('../../images/about/akm.png');
    background-size:100%;
    background-position: top;
    background-repeat:no-repeat;
    -webkit-animation:fadeInUpBig 3s .2s ease both;
    -moz-animation:fadeInUpBig 3s .2s ease both;
}
.history3_bg3{
    position:absolute;
    right:0;bottom:20%;z-index:0;
    height:100%;
    width:35%;
    background-image:url('../../images/about/history3_doctors.png');
    background-size:80%;
    background-position:right;
    background-repeat:no-repeat;
    -webkit-animation:fadeInUpBig 1s .2s ease both;
    -moz-animation:fadeInUpBig 1s .2s ease both;
}
.history3_main{width:40%;height:88%;text-align:center;position:absolute;top:10%;left:0;right:0;margin:0 auto;}
.history3_main .history3_yi{width:14%;position:relative;margin: 0 auto;}
.history3_main .history3_yi div{color:#c9151e;font-weight:100;font-size:15px;margin-bottom:6%;}
.history3_main .history3_step{width:32%;position:absolute;left:0;right:0;top:8%;margin: 0 auto;}
.dou_list{width:10px;text-align:center;margin:0 auto;font-weight:bold;position:relative;}
.dou_list2{margin:2% auto;}
.dou_list li{height:8px;line-height:4px;}
.dou_list li:nth-child(1){color:#BBB;}
.dou_list li:nth-child(2){color:#BBB;}
.dou_list li:nth-child(3){color:#AAA;}
.dou_list li:nth-child(4){color:#AAA;}
.dou_list li:nth-child(5){color:#999;}
.dou_list li:nth-child(6){color:#999;}
.dou_list li:nth-child(7){color:#888;}
.dou_list li:nth-child(8){color:#888;}
.dou_list li:nth-child(9){color:#777;}
.dou_list li:nth-child(10){color:#777;}
.dou_list li:nth-child(11){color:#666;}
.dou_list li:nth-child(12){color:#666;}
.dou_list div{position:absolute;left:0;right:0;bottom:0;margin:0 auto;background:#FFF;border:3px solid #c9151e;width:10px;height:10px;border-radius:50%;
    -webkit-animation:fadeInUpBig2 1s .2s ease both;
    -moz-animation:fadeInUpBig2 1s .2s ease both;
}
@-webkit-keyframes fadeInUpBig2{
    0%{opacity:0;
        bottom:300px;}
    100%{opacity:1;bottom:0;}
}
@-moz-keyframes fadeInUpBig2{
    0%{opacity:0;
        bottom:300px;}
    100%{opacity:1;bottom:0;}
}
.history3_title{color:#666;}
.history3_title p{color:#c9151e;font-size:48px;font-weight:bold;margin:3% 0 0;}
.history3_title span{font-size:12px;letter-spacing: 3px;color:#AAA;display:block;}
.history3_title font{display:block;color:#000;font-size:32px;font-weight:500;margin:4% 0 0;}
.history3_title i{display:block;color:#AAA;font-size:15px;}
/*第4屏*/
.history4_bg{
    position:absolute;
    left:0;bottom:30%;z-index:0;
    height:100%;
    width:35%;
    background-image:url('../../images/about/history4_bg.png');
    background-size:100%;
    background-position: center;
    background-repeat:no-repeat;
    -webkit-animation:fadeInUpBig 2s .2s ease both;
    -moz-animation:fadeInUpBig 2s .2s ease both;
}
/*第5屏*/
.history5_bg{
    position:absolute;
    left:0;bottom:30%;z-index:0;
    height:100%;
    width:35%;
    background-image:url('../../images/about/history5_bg.png');
    background-size:100%;
    background-position: center;
    background-repeat:no-repeat;
    -webkit-animation:fadeInUpBig 2s .2s ease both;
    -moz-animation:fadeInUpBig 2s .2s ease both;
}
.history5_bg2{
    position:absolute;
    right:0;bottom:0;z-index:0;
    height:100%;
    width:35%;
    background-image:url('../../images/about/history5_bg2.png');
    background-size:100%;
    background-position: bottom;
    background-repeat:no-repeat;
    -webkit-animation:fadeInUpBig 1s .2s ease both;
    -moz-animation:fadeInUpBig 1s .2s ease both;
}