html{
    font-size: 75%;/* 75%=12px ，100%=16px*/
}
@media screen and (min-width:640px) {
    html {
        font-size: 90%;
    }
    .nav_logo {
        width: 200px;
        height: 67px;;
    }
    .box{
        width: 1000px;
    }
    .box2{
        width: 600px;
    }
    .box3{
        width: 350px;
    }
    .box4{
        width: 220px;
    }
    .box5{
        width:200px;
    }
    .box6{
        width: 280px;
    }
    .box_news{
        width:300px;
    }
    .nav_list a{
        width: 100px;
    }
    .index_banner{
        width: 60%;
    }
    .el-carousel__container{
        height: 320px;
        /*banner height*/
    }
    a,a:link, a:visited {
        font-size: medium;
    }
    .nowlink:link,.nowlink:visited{
        font-size: medium;
    }
    li span{
        line-height: 10px;
        font-size: medium;
    }
    .min-width{
        min-width: 1024px;
    }
}
@media screen and (min-width:800px) {
    html {
        font-size: 100%;
    }
    .nav_logo {
        width: 200px;
        height: 67px;
    }
    .box{
        width: 980px;
    }
    .box2{
        width: 660px;
    }
    .box3{
        width: 350px;
    }
    .box4{
        width: 250px;
    }
    .box5{
        width:210px;
    }
    .box6{
        width: 280px;
    }
    .box_news{
        width:310px;
    }
    .nav_list a{
        width: 80px;
    }
    .index_banner{
        width: 700px;
    }
    .el-carousel__container{
        height: 320px;
    }
    a,a:link, a:visited {
        font-size: smaller;
    }
    .nowlink:link,.nowlink:visited{
        font-size: smaller;
    }
    li span{
        line-height: 15px;
        font-size: xx-small;
    }
    .min-width{
        min-width: 1024px;
    }
}
@media screen and (min-width:1024px) {
    html {
        font-size: 100%;
    }
    .nav_logo {
        width: 200px;
        height: 67px;
    }
    .box{
        width: 1200px;
    }
    .box2{
        width: 775px;
    }
    .box3{
        width: 400px;
    }
    .box_news{
        width:360px;
    }
    .box4{
        width: 270px;
    }
    .box5{
        width: 220px;
    }
    .box6{
        width: 280px;
    }
    .index_banner{
        width: 800px;
    }
    .el-carousel__container{
        height: 320px;
    }
    .nav_list a{
        width: 100px;
    }
    a,a:link, a:visited {
        font-size: initial;
        line-height: 25px;
    }
    .nowlink:link,.nowlink:visited{
        font-size: medium;
    }
    li span{
        line-height: 15px;
        font-size: x-small;
    }
    .min-width{
        min-width: 1280px;
    }
}
@media screen and (min-width:1280px) {
    html {
        font-size: 100%;
    }
    .nav_logo {
        width: 250px;
        height: 84px;
    }
    .box{
        width:1200px;
    }
    .box2{
        width:800px;
    }
    .box3{
        width:430px;
    }
    .box4{
        width: 270px;
    }
    .box5{
        width:220px;
    }
    .box6{
        width: 400px;
    }
    .box_news{
        width:380px;
    }
    .index_banner{
        width:900px;
    }
    .el-carousel__container{
        height: 384px;
    }
    .nav_list a{
        width: 120px;
    }
    a,a:link, a:visited {
        font-size: medium;
        line-height: 35px;
    }
    .nowlink:link,.nowlink:visited{
        font-size: large;
    }
    li span{
        line-height: 20px;
        font-size: small;
    }
}
@media screen and (min-width:1440px) {
    html {
        font-size: 100%;
    }
    .nav_logo {
        width: 280px;
        height: 94px;
    }
    .box{
        width: 1600px;
    }
    .box2{
        width:979px;
    }
    .box3{
        width:600px;
    }
    .box4{
        width: 280px;
    }
    .box5{
        width: 240px;
    }
    .box6{
        width: 450px;
    }
    .box_news{
        width:480px;
    }
    .index_banner{
        width:1000px;
    }
    .nav_list a{
        width: 140px;
        font-size: 18px;
    }
    .el-carousel__container{
        height: 480px;
    }
    a,a:link, a:visited {
        line-height: 50px;
        font-size: medium;
    }
    .nowlink:link,.nowlink:visited{
        margin-right: 20px;
        font-size: large;
    }
    .notnowlink:link,.notnowlink:visited{
        margin-right: 20px;
        font-size: large;
    }
    li span{
        line-height: 50px;
        font-size: medium;
    }
}
.search_in{
    display: flex;
    width: 1600px;
    flex-wrap: nowrap;
}
.nav_right a:link, a:visited {
    text-decoration: none;
    color: #000000;
    list-style: none;
}
.el-icon-place a{
    color:#000000;
}
.center_ls{
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: larger;
    font-weight: bolder;
    color: #993300;
    flex-wrap: wrap;
    text-align: center;
}
.el-dialog__title{
    font-size: larger;
    font-weight: bolder;
    color: red;
}

.nav_left span {
    margin-right: 5px;
    margin-left: 5px;
}
.nav_right {
    width: 300px;
    padding-top: 5px;
    padding-bottom: 5px;
}
.index_box{
    flex-wrap: nowrap;
    min-width: 1000px;
    flex-direction: row;
    justify-content: space-between;
}
.box_center{
    justify-content: center;
}
.box_between{
    justify-content: center;
}
.backgroundImg{
    width: 100%;
    background-image: url("../images/qdx_jxl.png");
    background-position: bottom right;
    background-repeat: no-repeat;
}
.backgroundImgColor{
    width: 100%;
    background-image: url("../images/qdx_xylt_img.png");
}
.nav_logo{
    margin-left: 10px;
    margin-bottom: 20px;
    background-repeat: repeat;
}
.nav_list{
    height: 50px;
}
.nav_list a{
    flex-grow: 1;
    line-height: 3;
}
.blackContainer{
    width: 100%;
}
.blackImage{
    position: absolute;
    background-image: url("../images/qdx_banner1.jpg");
    width: 100%;
    height: 350px;
    top:325px;
    left: 0px;
}

.nav_zt{
    width: 100%;
    flex-wrap: wrap;
    justify-content: flex-start;
    margin-bottom: 30px;
}
.zt_spacetop{
    width: 20%;
}
.zt_spacetop a h1{
    font-size: 180%;
}
.banner_title{
    width:  95%;
    margin-right: auto;
    margin-left: auto;
    min-width: 500px;
}
/*重写el下划线begin*/
.el-tabs__active-bar{
    background-color: #BA4643;
    /*下划线颜色*/
}
.el-tabs__item.is-active{
    color: #BA4643;
    /*导航鼠标点击后颜色*/
}
.el-tabs__nav-wrap::after{
    background-color: #DCDFE6;
    /*横条颜色*/
}
.el-tabs__item {
    height: 60px;
    line-height: 60px;
    font-size: 18px;
    color: #000000;
    /*导航字体 行高*/
}
.el-tab-pane{
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    padding-bottom: 20px;
}
.el-tab-pane a,.el-tab-pane a:link,.el-tab-pane a:visited{
    color: #2c3e50;
    /*padding-right: 10px;*/
    margin-right: 0px;
    line-height: 22px;
}
.el-tab-pane a:hover{
    color: #990000;
}
/*重写el下划线end*/
.footer_bottom{
    display: flex;
    min-width: 1000px;
    justify-content: center;
    align-items: center;
}
.footer_bottom a{
    flex-shrink: 0;
}
.footer_bottom a:link,.footer_bottom a:visited{
    color: #ffffff;
}
.footer_bottom a:hover{
    color: #f5dab1;
}
.mid_inc{
    width: 60%;
    font-size: 87.5%;
}
.mid_inc span, .mid_inc a{
    margin-left: 20px;
    margin-right: 20px;
}
.menu_box{
    display: none;
}