@media screen and (min-width: 320px) and (max-width:1023px){
    body{
        width: 100%;
        margin: 0 auto;
        padding: 0;
        min-width: 320px;
    }
    .top-header{
        width: 90%;
    }
    .header{
        display: none;
    }
    .m-header{
        width: 100%;
        height: 45px;
        line-height: 40px;
        position: fixed;
        top: 40px;
        left: 0;
        right: 0;
        z-index: 100;
    }
    .m-head-menu{
        width: 90%;
    }
    .m-header .header-img{
        width: 120px;
        height: 40px;
        vertical-align: middle;
    }
    .m-header .head-menu{
        width: 27px;
        height: 27px;
        vertical-align: middle;
    }
    .m-header img{
        width: 100%;
        vertical-align: middle;
    }
    /* 灰色空白 */
    .gray-space{
        height: 10px;
        line-height: 10px;
        background-color: #F7F7F7
    }

    /* 手机端导航 */
    .m-head-nav{
        width: 30%;
        height: 360px;
        position: fixed;
        top: 75px;
        right: 20px;
        background-color: rgba(0, 153, 255, 0.9);
        border-radius: 5px;
    }
    .m-head-nav a{
        display: block;
        text-align: center;
        color: #FFF;
    }

    .content{
        margin-top: 85px
    }
    .up{
        display: none;
    }
}
@media screen and (min-width: 1024px){
    body{
        width: 100%;
        margin: 0 auto;
        padding: 0;
        min-width: 1024px;
    }
    .header{
        display: block;
        position: fixed;
        top: 40px;
        left: 0;
        right: 0;
        z-index: 100;
    }
    .header-menu{
        width: 1200px;
        margin:  0 auto;
    }
    .header-nav-child{
        position: absolute;
        /* top: 0px;
        left: 0; */
        z-index: 999;
        background-color: #3399FF;
        border-radius: 5px;
        width:200px;
        box-sizing: border-box;
    }
    .header-nav-child li{
        overflow: hidden;
        white-space: nowrap;
        padding: 3px 10px;
        box-sizing: border-box;
    }
    .header-nav-child-c{
        background-color: #DDEEFF;
        margin: 5px;
        border-radius: 5px;
        border: 0;
        box-sizing: border-box !important;
    }
    .header-nav-child-c a {
        font-size: 13px;
        display: block;
    }

    .header-nav-child-title{
        color:#0075EA !important;
        border-width: 0ch !important;
    }
    .header-nav-child-product{
        width: 100px;
        margin-right: 10px;
        display: none;
    }
    .header-nav-child-product img{
        width: 100%;
        border: 0;
        border-radius: 5px;
    }
    .header-nav-child-c-title{
        width: 100%;
        box-sizing: border-box;
    }
    .header-nav-child-c-title div{
        /* background-color: rgba(51, 153, 255, 1) !important; */
        background-color: #0075EA !important;
        color: #fff;
        height: 25px;
        line-height: 25px;
        white-space: nowrap;
        overflow: hidden;
        border: 0;
        border-radius: 4px;
        margin-bottom: 10px;
        padding: 2px 8px;
        font-size: 12px;
    }
    .header-nav-child-c-title div:hover{
        background-color: #1AA0FC !important;
    }
    .header-nav-child-c-title div a{
        color: #fff !important;
        border: 0 !important;
    }
    .top-header{
        width: 1200px;
        margin: 0 auto
    }
    .m-header{
        display: none;
    }
    /* 灰色空白 */
    .gray-space{
        height: 20px;
        line-height: 20px;
        background-color: #F7F7F7
    }

    .content{
        margin-top: 100px
    }
    .up{
        display: inline-block;
    }
}
a{
    text-decoration: none;
}
.wrap{
    width: 100%;
    overflow: hidden;
}

.display-inline-block{
    display: inline-block;
}
.display-none{
    display: none;
}
.display-flex{
    display: flex;
}
.flex-wrap{
    flex-flow: wrap;
}
.justify-center{
    justify-content: center;
}
.justify-between{
    justify-content: space-between;
}
.justify-end{
    justify-content: flex-end
}
.justify-start{
    justify-content: flex-start
}
.align-center{
    align-items: center
}
.align-end{
    align-items: flex-end;
}
.align-start{
    align-items: flex-start;
}
.item-start{
    align-self: flex-start;
}
.item-end{
    align-self: flex-end;
}
.item-center{
    align-self: center;
}

.text-center{
    text-align: center;
  }
.text-right{
    text-align: right;
  }
.text-left{
    text-align: left;
  }
.text-primary{
    color: #1AA0FC;
}
.text-active{
    color: #33AFCA;
}

.text-light{
    color: #fff;
}
.text-muted{
    color:#7B818E !important;
}
.text-dark{
    color:rgba(40,40,40,1);
}
.text-primary{
    color:#333333
}

.float-left{
    float: left;
}
.float-right{
    float: right;
}

.font-s{
    color: #FFF;
    font-size: 0.9em;
}
.font-m{
    font-size: 0.9em;
    cursor:pointer;
}
.font-l{
    font-size: 1.2em;
}
.font-xl{
    font-size: 1.6em;
}
.font-normal{
    font-size: 1em;
}



.font-bold{
    font-weight: bold;
}

.w100{
    width: 100%;
}
.w95{
    width: 95%;
}
.w33{
    width: 33.33%;
}


.m-auto{
    margin: 0 auto;
}
.mt-20{
    margin-top: 30px;
}
.mt-10{
    margin-top: 10px;
}
.mb-20{
    margin-bottom: 20px;
}
.ml-10{
    margin-left: 10px;
}
.mr-10{
    margin-right: 10px;
}
.mb-10{
    margin-bottom: 10px;
}
.pt-10{
    padding-top: 10px;
}
.pt-20{
    padding-top: 20px;
}
.pl-10{
    padding-left: 10px;
}
.pr-10{
    padding-right: 10px;
}
.pb-10{
    padding-bottom: 10px;
}
.pb-20{
    padding-bottom: 20px;
}

.line-40{
    line-height: 30px;
}

.bg-light{
    background-color: #fff;
}
.bg-primary{
    background-color: #1AA0FC;
}
.bg-header{
    background-color: #0884FE;
}
.bg-muted{
    background-color: #666666;
}
.bg-footer{
    background-color: #33AFCA;
}
.bg-secondary{
    background-color: #F7F7F7
}

.btn-active{
    background-color: #298FA5;
}
.btn-primary{
    background-color: #33AFCA;
}

/* 顶部 */
.top{
    height: 40px;
    line-height: 40px;
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 100;
}

/* logo 导航 */
.header{
    height: 60px;
    line-height: 30px;
}
.header-logo{
    vertical-align: middle;
}
.header-img{
    width: 15%;
}
.header-img img{
    width: 80%;
    padding-top: 5px;
}

.header-nav{
    width: 85%;
    margin-top: 13px !important;
}
.header-nav a{
    color: #fff;
    border-bottom: 2px solid #0884FE;
}

/* 轮播图 */
.banner{
    width: 100%;
}
.banner img{
    width: 100%;
    display: block;
}



.clear{
    clear: both;
}
.cursor-pointer{
    cursor: pointer;
}


.header a:hover{
    border-bottom: 2px solid #fff;
}
.header-product-menu a:hover{
    border-bottom: 2px solid #fff;
}
.news-content  a:visited span{
    color: #298FA5;
}
.news-content  a:hover span{
    color: #298FA5;
}
.news-content .news-date .news-year{
    color: #fff;
}
.c-product-content p{
    margin: 0 !important;
    text-indent: 0 !important;
}

#flag {
    width: 120px;
    overflow: hidden;
    right: 20px;
    background-color: #F4F7F9;
    border: 2px solid #B1BCD6;
    border-radius: 5px;
    padding: 5px;
    position: fixed;
    z-index: 1;
    top: 16%;
}
#flag ul {
    overflow: hidden;
    margin: 0px 0px 5px 0px;
    padding: 0px;
    list-style-type: none;
}
#flag li {
    height: 35px;
    color: #5577BB;
    line-height: 35px;
    background-image: url(/public/static/index/images/qq.png);
    background-position: 10px center;
    background-size: auto 60%;
    background-repeat: no-repeat;
    padding-left: 40px;
    border-radius: 5px;
    cursor: pointer
}
#flag li:hover {
    background-color: #DCE1ED;
}
#flag li a {
    color: #5577BB;
}
#flag div {
    overflow: hidden;
}
#flag div:nth-of-type(1), #flag div:nth-of-type(3) {
    height: 25px;
    color: #FFF;
    text-align: center;
    line-height: 25px;
    background-color: #5577BB;
    border-radius: 3px;
}
#flag div:nth-of-type(2) {
    color: #5577BB;
    font-size: 16px;
    font-weight: bold;
    text-align: center;
    line-height: 30px;
    padding: 10px 0;
}
#flag div:nth-of-type(4) {
    margin-top: 5px;
}
#flag div:nth-of-type(4) img {
    width: 100%;
    height: auto;
}
input[type="button"], input[type="submit"], input[type="reset"] {-webkit-appearance: none;}

.up{
    width: 50px;
    height: 50px;
    overflow: hidden;
    background-color: #f4f7f9;
    border: 1px solid #B1BCD6;
    border-radius: 5px;
    padding: 5px;
    position: fixed;
    z-index: 3;
    bottom: 160px;
    right: 20px;
}
.up .up-img{
    width: 50px;
    height: 50px;
    margin: 0 auto;
}
.up .up-img img{
    width: 100%;
    margin-top: 10px;
}