.robot-img{
    width: 60%;
    position: relative;
}
.robot-child3{
    position: absolute;
    left: 2%;
    width: 25%;
    top: 11%;
}
.navbar-brand{
    font-size: 18px;
    line-height: 20px;
    padding:0px;
    width: 80%;
    height: auto;
}
.navbar-brand img{
    width: 100%;
    display: inline-block;
}
.robot-child4{
    width: 25%;
    position: absolute;
    left: -5%;
    top: 47%;
}
.robot-child5{
    width: 25%;
    position: absolute;
    left: 3%;
    top: 79%;
}
.robot-child2{
    width: 21%;
    position: absolute;
    right: 0%;
    top: 58%;
}
.robot-child1{
    width: 25%;
    position: absolute;
    right: 5%;
    top: 5%;
}
.book-child1{
    position: relative;
    right: -30%;
}
.book-child3{
    position: relative;
    left: -30%;
}
.book-child{
    margin:30% 0px;
}
.book-child-num{
    color: rgb(188, 243, 247);
    font-size: 70px;
}
.footer-bg{
    background-color:#272727
}
.index-publicity{
    background: url("../img/index/home_bj.jpg");
    background-size: 100%;
    background-repeat: repeat-y;
    max-height: 400px;
    min-height: 250px;
    overflow: hidden;
}
#index-publicity-text{
    transition: 0.5s all;
    width: 4000px;
    height: 240px;
    color: white;
}
#index-publicity-text div{
    height: 60px;
    position: relative;
}
#index-publicity-text span{
    margin: 5px 50px;
    position: absolute;
}
.index-publicity img{
    display: block;
    height: 100%;
    width: 100%;
}
.about-banner img{
    width: 100%;
    height: auto;
}
.weixin{ width:50px; height:50px;position:relative; font-size:12px; text-align:center; display: inline-block;}
.weixin a{width:50px; height:50px; display:block; position:absolute; left:0; top:0;background:url(../img/share4.png) no-repeat center top; background-size: 100%}
.weixin .weixin_nr{width:300px; height:340px; text-align:center; position:absolute; left:-125px; top:-355px; display:none;}
.weixin .weixin_nr img{ margin-bottom:5px;}
.weixin .weixin_nr .arrow{ width:0; height:0;border-left:10px solid transparent;border-right:10px solid transparent; position:absolute; left:50px; top:-10px;}
.weixin.on .weixin_nr{ display:block;}
.weixin.on a{ background:url(../img/share4.png) no-repeat center top;background-size: 100%}
.sina-bg{
    background:url(../img/share1.png) no-repeat center top !important;
    background-size: 100%!important;
}