body{
    padding-top: 86px;
}
.nav_box{
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 85px;
    z-index: 9999;
}
.nav_box .navbar{
    position: relative;
    z-index: 9999;
}
.navbar-default{
    border:0;
}


/*@media screen and (min-width:960px ) {*/
body{
    padding-top: 0;
}
.nav_box .navbar-default{
    background-color: none;
}
.bgcolor_blue_light{
    background-color:none;
    background-color:rgba(0,0,0,0.05);
}
.nav_box .navbar .container-fluid{
    background: none;
}
.navbar-default{
    border:0;
    background: none;
}
/*}*/



.nav_box nav .navbar-header a{
    float: left;
    margin: 20px 0;
    padding-right: 0;
}
@media screen and (max-width: 765px ) {

}
.nav_box nav .navbar-header a img{
    width: 100%;
    /*	height: 100%;*/
}
.nav_box nav .navbar-header span.logospan{
    float: left;
    font-size: 14px;
    margin-left: 15px;
    color: #333;
    line-height: 84px;
}


.nav_box nav .navbar-collapse ul li a{
    margin: 10px 0;
    padding: 20px 24px;
    color: #333;
    cursor: pointer;
    border-bottom: 2px solid transparent;
}
.nav_box nav .navbar-collapse ul li.li4.cur_li .aboutaaa{
    border-bottom: 2px solid #29CCE8;
}
.nav_box nav .navbar-collapse ul li.li4{
    position: relative;
    z-index: 1;
}
@media screen and (min-width: 767px){
    .nav_box nav .navbar-collapse ul li.li4{
        position: relative;
        z-index: 1;
    }
    .nav_box nav .navbar-collapse ul li.li4 div{
        position: absolute;
        top: 86px;
        padding: 0 10px;
        left: -15px;
        right:-15px;
        /*height: 120px;*/
        text-align: center;
        background-color: #fff;
        border-radius: 0 0 3px 3px;
        display: none;
        /*box-shadow: 0 0 1px #ccc;*/
    }
    .nav_box nav .navbar-collapse ul li.li4 div a{
        float: left;
        margin: 0;
        padding: 0;
        width: 100%;
        height: 40px;
        border-bottom: 1px solid #ddd;
        text-align: center;
        line-height: 40px;
        color: #666;
        /*		text-indent: 4rem;*/
    }
}




/*.nav_box nav .navbar-collapse ul li:nth-child(3){
	margin-top: 5px;
}*/
.nav_box nav .navbar-collapse ul li.li4 div a:last-child{
    /*	border-bottom: 0;*/
    margin-bottom: 0px;
    border-bottom: none;
}
.nav_box nav .navbar-collapse ul li.li4 div a:hover{
    color: #333;
}
.navbar-default .navbar-nav > li > a:hover,
.navbar-default .navbar-nav > li > a:focus{
    color: #333;
}
.navbar-default .navbar-nav > .active > a,
.navbar-default .navbar-nav > .active > a:hover,
.navbar-default .navbar-nav > .active > a:focus{
    background-color: transparent;
    color: #333;
    border-bottom: 2px solid #29CCE8;
}
.navbar-toggle{
    margin: 23px 10px 23px 0;
}
.navbar-default .navbar-toggle,
.navbar-default .navbar-toggle:hover,
.navbar-default .navbar-toggle:focus{
    /*background-color: #fff;*/

}

.navbar-default .navbar-toggle .icon-bar{
    /*background-color: #0156c6;*/
    background-color:rgba(255,255,255,0.5);
}
.banner_box{
    display: block;
    overflow: hidden;
    width: 100%;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
}
.banner_box.banner_box1{
    height: 700px;
    background-image: url(../images/img/banner01.png);
    background-size: auto 700px !important;
}
.banner_box.banner_box2{
    height: 500px;
    background-size: auto 500px !important;
}
.banner_box.banner_box3,
.banner_box.banner_box4,
.banner_box.banner_box5{
    height: 500px;
    background-size: auto 500px !important;
}
.banner_box.banner_box3{
    background-image: url(../images/banner05.jpg);
}
.banner_box.banner_box4{
    background-image: url(../images/gaitu.jpg);
}
.banner_box.banner_box5{
    background-image: url(../images/banner01.jpg);
}
@media screen and (max-width: 1199px){
    .banner_box.banner_box1{
        height: 55vw;
        background-size: auto 55vw !important;
    }
    .banner_box.banner_box2{
        height: 40vw;
        background-size: auto 40vw !important;
    }
    .banner_box.banner_box3,
    .banner_box.banner_box4,
    .banner_box.banner_box5{
        height: 34vw;
        background-size: auto 34vw !important;
    }
}
@media screen and (max-width: 991px) {
    .nav_box nav .navbar-collapse ul li a{
        padding: 20px;
    }
}
@media screen and (max-width: 767px) {
    .nav_box nav .navbar-header a{
        margin-left:10px;
    }
    .nav_box nav .navbar-header span.logospan{
        font-size: 12px;
        margin-left: 5px;
    }
    .nav_box nav .navbar-collapse ul li a{
        margin: 0;
        padding: 10px 24px;
    }
    .navbar-default .navbar-nav > .active > a,
    .navbar-default .navbar-nav > .active > a:hover,
    .navbar-default .navbar-nav > .active > a:focus{
        background-color: #fff;
        color: #0156c6;
    }
    .nav_box nav .navbar-collapse ul li.li4 div{
        top: -38px;

        width:100%;
    }
    /*.nav_box nav .navbar-collapse ul li.li4 div::before,
    .nav_box nav .navbar-collapse ul li.li4 div::after{
        position: absolute;
        content: "";
        width: 0;
        height: 0;
        top: 37px;
        border-top: 22px solid transparent;
        border-bottom:22px solid transparent;
        z-index: 10;
    }*/
    .nav_box nav .navbar-collapse ul li.li4 div::before{
        left: -12px;
        border-right: 12px solid #ddd;
    }
    .nav_box nav .navbar-collapse ul li.li4 div::after{
        left: -11px;
        border-right: 12px solid #fff;
    }
}
/*header img{
	display: block;
}*/
@media screen and (max-width: 765px ) {
    body{
        padding-top: 42px;
    }
    .float_right{
        background-color:rgba(30,144,255,0.6);
    }
    .navbar-default .navbar-toggle:hover, .navbar-default .navbar-toggle:focus{
        background-color:rgba(0,0,0,0);
    }
    .nav_box nav .navbar-header span.logospan{
        line-height: 42px;
    }
    .navbar-toggle{
        margin:9px 10px;
    }
    .navbar-default{
        background-color:#FFFFFF;
    }
    .nav_box{
        height: 42px;
    }
    .nav_box nav .navbar-header a{
        float: left;
        /*margin:6px 0;*/
    }
    .nav_box nav .navbar-header a:nth-child(3){
        float: left;
        margin:6px 0;
        width:80px;
        height: 30px;
    }
    .navbar{
        min-height: 42px;
    }
    .nav_box nav .navbar-header span.logospan{
        color: #009fe5;
    }
    .navbar-default .navbar-toggle, .navbar-default .navbar-toggle:hover, .navbar-default .navbar-toggle:focus{
        border-color:white;
    }
    .container-fluid{
        padding-right: 17px;
    }

    .navbar .container-fluid{
        padding-right: 0px;
        padding-left: 5px;
    }
    .navbar-default .navbar-toggle .icon-bar{
        background-color:#009fe5;
    }
    .navbar-toggle{
        margin: 0;
        padding: 0;
        width: 20px;
        height: 20px;
        margin-top: 11px;
        margin-right: 17px;
    }
    .nav_box nav .navbar-collapse ul li>a{
        color: #666666;
        border-bottom: 1px solid #ececec;
        font-size: 14px;
        text-align: right;
        padding-right: 15px;
    }
    .navbar-default .navbar-nav > .active > a, .navbar-default .navbar-nav > .active > a:hover, .navbar-default .navbar-nav > .active > a:focus{
        color: #666666;
        border-bottom: 1px solid #ececec;
    }
    .navbar-default .navbar-collapse, .navbar-default .navbar-form{
        background-color:#fff;
    }
    .navbar-default .navbar-nav > li > a:hover, .navbar-default .navbar-nav > li > a:focus{
        color: #666666;
    }
    .nav_box nav .navbar-collapse ul li.li4 div a{
        color: #999999;
    }
    .nav_box nav .navbar-collapse ul li.li4 div a{
        display: block;
        /*		float: left;*/
        margin: 0;
        padding: 0;
        width: 100%;
        height:40px;
        /*		border-bottom:1px solid #ececec;*/
        text-align: right;
        padding-right: 15px;
        line-height:40px;
        color: #666;
        text-indent: 4rem;
        color: #999999;
        font-size: 14px;
        position: relative;
    }
    .nav_box nav .navbar-collapse ul li.li4 div a:after{
        content: "";
        position: absolute;
        left: 0;
        right: 0;
        bottom: 0;
        /*		height: 1px;*/
        border-bottom: 1px solid #ececec;
        transform: scale(0.3);
        -ms-transform: scale(0.3);
        left: -120%;
        right: -120%;
    }
    /*.nav_box nav .navbar-collapse ul .li4 .aboutaaa{*/
        /*background:url(../imgs/bottom_arr.png) no-repeat 95% center;*/
        /*background-size:6%;*/
    /*}*/
    /*.nav_box nav .navbar-collapse ul .li4 .aboutaaa.active{*/
        /*background:url(../imgs/top_arr.png) no-repeat 95% center;*/
        /*background-size:6%;*/
    /*}*/
}