*{margin: 0;padding: 0;list-style: none;text-decoration: none;font-family: '微软雅黑',sans-serif;}
            img{display: block;}
            ul{list-style:none;margin:0px;-webkit-padding-start:0;}
            a{text-decoration: none;}
            .content{
                width: 1200px;
                margin: 0 auto;
                position: relative;
            }
    /*header 开始*/
            .header{
                position: fixed;
                z-index: 99999;
                width: 100%;
                top: 0;
            }
            .header .nav{
                background: rgba(62, 62, 62, 0.97);
                height: 60px;
            }
            .header .nav .nav_logo{
                background-image: url(https://hellobeidou.oss-cn-shenzhen.aliyuncs.com/web/nav_logo.png);
                width: 156px;
                height: 60px;
                position: absolute;
                left: 0;
                background-repeat: no-repeat;
                background-position-y: 8px;
            }
            .header .nav_list{
                overflow: hidden;
                display: block;
                position: absolute;
                right: 185px;
            }
            .header .nav_list li{
                float: left;
            }
            .header .nav_list li a{
                font-size: 14px;
                color: #fff;
                padding: 0 20px;
                display: block;
                height: 60px;
                line-height: 60px;
            }
            .header .nav_list li a:hover{
                background-color: #333;
            }
            .login_list{
                position: absolute;
                right: 0;
                display: block;
                overflow: hidden;
            }
            .login_list li{
                float: left;
            }
            .login_list li a{
                font-size: 14px;
                color: #fff;
                padding: 0 8px;
                display: block;
                height: 60px;
                line-height: 60px;
            
            }
            .login_list li:last-child{
                border-right: 0;
            }
            .login_list li a:hover{
                color: #949494;
            }
            .header .nav_product{
                background: rgba(62, 62, 62, 0.92);
                padding: 14px 0;
                overflow: hidden;
                padding-left: 58%;
            }
            .header .nav_product ul{
                float: left;
                color: #fff;
                line-height: 34px;
                margin-right: 70px;
            }
            .header .nav_product ul h4{
                font-size: 15px;
                font-weight:bold;
            }
            .header .nav_product a{
                color: #d3d1d1;
                font-size: 13px;
                transition: all 0.8s;
            }
            .header .nav_product a:hover{
                color: #3dcce1;
            }
    /*header 结束*/
    /*footer 开始*/
            .footer .nav{
                overflow: hidden;
                background: #313131;
                padding: 30px 0;
            }
            .footer .nav .item{
                float: left; 
                margin-right: 100px;
                line-height: 26px;
            }
            .footer .nav .item:last-child{
                margin-right: 0;
            }
            .footer .nav .item a{
                color: #dcdcdc;
                font-size: 12px;
            }
            .footer .nav .item h4{
                font-weight: normal;
                color: #808080;
                font-size: 16px;
            }
            .footer .nav .footer_logo{
                background: url(https://hellobeidou.oss-cn-shenzhen.aliyuncs.com/web/footer_logo.png);
                width: 95px;
                height: 87px;
            }
            .footer .nav .item ul{
                display: inline-table;
                margin-right: 10px;
                margin-right: 23px;
            }
            .footer .nav .item li p{
                color: #dcdcdc;
                font-size: 12px;
            }
            .footer .bottom{
                text-align: center;
                background: #282828;
                font-size: 12px;
                color: #969696;
                line-height: 26px;
                padding: 10px 0;
            }
            .footer .bottom a{
                color: #969696;
            }
            .footer .line{
                width: 100%;
                height: 2px;
                background: #41daf1;
            }

    /*footer 结束*/
    /*右侧悬浮的东西start*/
#nb_icon_wrap{opacity: 0;}
.rightbox{
    position: fixed;
    right: 0;
    bottom: 100px;
    z-index: 1000;
}
.rightbox a{
    display: block;
    cursor: pointer;
    transition: all 0.3s ease 0s;
}
.zixun{
    background: url(https://beidouim.oss-cn-hangzhou.aliyuncs.com/web/home/rightbox_zu_1.png) no-repeat;
    height: 143px;
    width: 40px;
}
.zixun:hover{
    background: url(https://beidouim.oss-cn-hangzhou.aliyuncs.com/web/home/rightbox_zu_2.png) no-repeat;
}
.hezuo{
    background: url(https://beidouim.oss-cn-hangzhou.aliyuncs.com/web/home/rightbox_hezuo_1.png) no-repeat;
    height: 143px;
    width: 40px;
    margin-top: 2px;
}
.hezuo:hover{
    background: url(https://beidouim.oss-cn-hangzhou.aliyuncs.com/web/home/rightbox_hezuo_2.png) no-repeat;
}
.tel{
    background: url(https://beidouim.oss-cn-hangzhou.aliyuncs.com/web/home/rightbox_tel_1.png) no-repeat;
    height: 40px;
    width: 40px;
    margin-top: 10px;
}
.tel_2{
    background: url(https://hellobeidou.oss-cn-shenzhen.aliyuncs.com/web/rightbox_tel_2.png) no-repeat;
    height: 147px;
    width: 152px;
    margin-top: 10px;
    position: absolute;
    right: 41px;
    bottom: 0px;
}
.top{
    background: url(https://beidouim.oss-cn-hangzhou.aliyuncs.com/web/home/rightbox_topl_1.png) no-repeat;
    height: 40px;
    width: 40px;
    margin-top: 10px;
}
.top:hover{
    background: url(https://beidouim.oss-cn-hangzhou.aliyuncs.com/web/home/rightbox_topl_2.png) no-repeat;
}
/*右侧悬浮的东西end*/