.section { width:100%;height:100%;text-align: center; font: 18px "Microsoft Yahei"; color: #fff;}
.section3 { background: url(../images/dbj.png) 50% no-repeat;}
.screen-main { position: relative; min-width: 1280px;width: expression_r( document.body.clientWidth < 1280 ? "1280px" : "auto" ); height: 100%; margin: 0 auto;z-index:60; background: url(../images/page2_bg.jpg) center center no-repeat;}
.science-inner { position: relative;width:100%;height:100%;z-index:50;margin: 0 auto; background-image: url(images/bg-kj_4d6c383.png); overflow: hidden;}
.famous-inner { position: relative; width: 100%; height: 100%; margin: 0 auto; background-image: url(images/renwu-bg_c26f167.png); overflow: hidden;}

.screen-main div {}

.screen-main .music{ position: absolute;width:220px;height:30px;left:80%;top:20px; overflow: hidden;}
.screen-main .music ul{list-style: none;position: relative;width:100%;height:100%;margin:0px;padding:0px;}
.screen-main .music  li{position: relative;float:left;display:block;width:30%;height:30px;top:0px}
.screen-main .music  li a{font-size:18px;color:#774f1b;text-decoration:none;width:100%;height:30px;}
.screen-main .page1_logo{ position: absolute;display:none;width:100%;height:40%;top:50px;background: url(../images/page1_logo.png) center bottom no-repeat;z-index:1;}
.screen-main .page1_qin{ position: relative;display:none;width:100%;height:50%;top:45%;background: url(../images/page1_qin.png) top center no-repeat;z-index:1;}

.screen-main .page1_qin ul{list-style: none;position: relative;width:750px;height:100%;margin:0px auto;padding:0px;}
.screen-main .page1_qin li{ position: relative;float:left;display:none;width:auto;height:110px;top:120px;}
.screen-main .page1_qin a{ position: relative;display:block;width:13px;height:110px;}

.bottomicon{ position: absolute;width:100%;float:left;height:100px;z-index:3;bottom:0px;}
.bottomicon ul{width:300px;height:100px;padding:0px;list-style:none;display:inline-block;}
.bottomicon ul li{position: relative;width:28px;height:100%;float:right;margin-right:15px;}
.bottomicon ul li img{position: absolute;left:0px;bottom:20px}

.menu2{width:145px;height:auto;position: absolute;top:100px;left:100px;z-index:3}
.menu2 ul{margin:0px;padding:0px;list-style:none;}
.menu2 ul li{float:left;margin-bottom:24px;width:100%;height:31px;}