a:hover{  text-decoration: none;  }
body{ margin: 0 auto; padding-top: 150px; display: block; overflow-x: hidden; -webkit-box-sizing: border-box;  -moz-box-sizing: border-box;  box-sizing: border-box;}
.bg{width: 100%}
.w{width: 1200px; margin: 0 auto;}
.border-box{  -webkit-box-sizing: border-box;  -moz-box-sizing: border-box;  box-sizing: border-box;}

.headroom {position: fixed;top: 0;left: 0;right: 0;transition: all .5s ease-in-out; z-index: 99999;}
.headroom--unpinned {top: -200px;}
.headroom--pinned {top: 0;}
/*top*/
.bg-top{
    background: #3caef2;
}
.top{
    padding: 5px 10px;
}
.top .tell{
    float: left;
    padding-left: 20px;
    background: url("../images/top-tell.png") no-repeat 0px 6px;
}
.top .each{
    float: right;
}
.top .each input{
    padding-left: 5px; padding-right: 5px;
    background: none;
    border: 1px solid #FFFFFF;
    border-right: none;
}
.top .each input.each-iocn{
    width: 10px;
    padding-left: 10px; padding-right: 10px;
    background: url("../images/each.png") no-repeat 5px 3px;
    border: 1px solid #FFFFFF;
    border-left: none;
    cursor: pointer;
}

/*hrader*/
.header-bg{
    background-color: #FFFFFF;
    border-bottom: 1px solid #e0e0e0;
    padding: 20px 0;
}
.header .logo{
    float: left;
}
.header nav{
    float: right;
}
.header nav li{
    float: left;
    margin: 10px 30px;
}
.nav-active{
    position: relative;
}
.nav-active:before{
    content: "";
    width: 100%; height: 2px;
    background-color: #3caef2;
    display: block;
    position: absolute;
    bottom: -30px;
}

/*banner*/




/*us*/
.us-bg{
    position: relative;
    width: 100%;
    height: 550px;
    background: url("../images/us-bg.jpg") no-repeat 100% 100%;
    z-index: -2;
}
.us-box{
    position: absolute;
    left: 50%; top: 10%;
    margin-left: -300px;
    width: 600px; height: 674px;
    background: url("../images/us-bg-2.png") no-repeat 100% 100%;
    z-index: -1;
}
.us-box .title{
    width: 100%;
}
.us-box .title img{
    display: block;
    margin: 20px auto;
}
.us-box span{
    width: 360px;
    display: block;
    margin: 0 auto;
    padding-left: 25px;
}
.us-box span.a{
    background: url("../images/1.png") no-repeat 0px 8px;
}
.us-box span.b{
    background: url("../images/2.png") no-repeat 0px 8px;
}
.us-box span.c{
    background: url("../images/3.png") no-repeat 0px 6px;
}
.us-box span.d{
    background: url("../images/4.png") no-repeat 0px 10px;
}.us-box span.e{
     background: url("../images/5.png") no-repeat 0px 6px;
 }
 .about .content .b .btn{
     font-size: 1.4rem;
     line-height: 32px;
     text-align: center;
     color: #FFFFFF;
 }


/*footer*/
.footer-bg{
    background-color: #3caef2;
}
.footer-box{
    padding: 40px 10px;
}
.footer-con dl{
    width: 100px;
    float: left;
    margin-right: 70px;
}
.footer-con .erweima{
    width: 230px;
}
.footer-con .erweima img{
    width: 100px;
    float: left;
    margin: 20px 10px 0 0;
    display: inline-block;
}
.copy{
    padding: 25px 0;
    background-color: #222222;
}