body,div,ul,li,a,img,p,dl,dt,dd,h1,h2,h3,h4,span,strong,input{ margin:0; padding:0; list-style:none; text-decoration:none; border:0;}
table{border-collapse:collapse;}
table, td, th {  border:1px solid #ccc; }
body{ font-size:12px; font-family:''; background-color:#ffffff;  }
.ft{float:left;}
.rt{float: right;}
.clear::after{content: "";display: block;clear: both;}
.w1200{width: 1200px;margin: 0 auto;}
.w1600{width: 1600px;margin: 0 auto;}
.w1300{width: 1300px;margin: 0 auto;}

/*textcolor*/
.text_break{color: #000000;}
.text_white{color: #ffffff;}
/*background*/
.bgc_color_660798{background:#660798;}

.head_top{
    font-size: 13px;
    line-height: 30px;
}

header>.head_bottom{
    display: flex;
    padding: 10px 0;
    justify-content: space-between;
}
header .logo{
    width: 20%;
}
header .logo img{
    display: inline-block;
    max-height: 82px;
    max-width:100%;
    vertical-align: middle;
}
header .logo h1{
    display: inline-block;
    font-size: 24px;
    font-weight: 400;
}
header nav{
    width: 100%;
}
header nav>ul{
    display: flex;
}
header nav .nav_a{
    position: relative;
    margin:  0 15px;
    line-height: 44px;
}
header nav .nav_a a{
    display: block;
    cursor: pointer;
    font-size: 16px;
    text-decoration: none;
    padding: 8px 24px;
    -webkit-border-radius: 30px;
    -moz-border-radius: 30px;
    border-radius: 30px;
}
header nav .nav_b{
    position: absolute;
    top:48px;
    left:0;
    display:none;
    width: 100%;
    text-align: center;
    box-shadow: 0px 0px 2px rgba(0,0,0,.5);
    background: #fff;
    border-top-left-radius: 5px;
    border-top-right-radius: 5px;
    z-index: 6;
}
header nav .nav_b li:hover{
    background: #f0f0f0;
}
header nav .nav_b li:hover a{
    color: #660798;
}
header nav .nav_b a{
    line-height: 25px;
}
header nav .nav_a a{
    color: #000;
}
header nav .nav_a.active>a{
    color: #660798;
}
header nav .nav_a>a:hover{
    color: #660798;
}
.banner img {
    display: block;
    width: 100%;
}
.hf{
    position: relative;
}
.hf h1{
    position: absolute;
    top: 50%;
    left: 20%;
    font-size: 28px;
    color: #660798;
    font-weight: 400;
}
.hf img{
    display: block;
}
/*菜单*/
.drawer-btn{
    display: none;
    position: absolute;
    top: 10px;
    right: 10px;
    background: #660798;
    -webkit-box-shadow: 0 1px 3px 0 rgba(0 ,0 ,0,.3);
    box-shadow: 0 1px 3px 0 rgba(0 ,0 ,0,.3);
    color: #fff;
    -webkit-transition: all .3s ease-out;
    transition: all .3s ease-out;
    height: 40px;
    width: 40px;
    border-radius: 3px;
    line-height: 47px;
    cursor: pointer;
    z-index: 12;
    text-align: center;
}
.nav-icon{
    display: inline-block;
    height: 17.3px;
    -webkit-transform: rotate(0deg);
    transform: rotate(0deg);
    -webkit-transition: .5s ease-in-out;
    transition: .5s ease-in-out;
    width: 22px;
}
.drawer-btn span{
    background: #fff;
    border-radius: 2px;
    display: block;
    height: 2px;
    left: 0;
    opacity: 1;
    position: absolute;
    -webkit-transform: rotate(0deg);
    transform: rotate(0deg);
    -webkit-transition: .25s ease-in-out;
    transition: .25s ease-in-out;
    width: 100%;
}
.nav-icon span:nth-child(2) {
    top: 6px;
    -webkit-transform-origin: left center;
    transform-origin: left center;
}
.nav-icon span:last-child {
    top: 12px;
    -webkit-transform-origin: left center;
    transform-origin: left center;
}
.drawer-btn.active{
    background: #fff;
}
.drawer-btn.active span{
    background: #636972;
}
.drawer-btn.active span:first-child{
    left: 0px;
    top: 8px;
    -webkit-transform: rotate(45deg);
    transform: rotate(45deg);
}
.drawer-btn.active span:nth-child(2){
    opacity: 0;
    width: 0;
}
.drawer-btn.active span:last-child{
    left: 2px;
    top: 16px;
    -webkit-transform: rotate(-45deg);
    transform: rotate(-45deg);
}
/*菜单end*/
.con_top{
    position: relative;
    background: #fff;
    padding: 65px;
    box-sizing: border-box;
    box-shadow: 0px 0px 5px rgba(0,0,0,.5);
    transform: translateY(-50px);
    z-index: 5;
}
.con_top ul{
    display: flex;
    justify-content: space-around;
}
.con_top ul li{
    position: relative;
    width: 24%;
}
.con_top ul li>div:nth-child(1){
    position: absolute;
    top: 3px;
    left: 10px;
}
.con_top ul li>div:nth-child(2){
    margin:0 50px;
}
.con_top ul li>div:nth-child(2) h3{
    font-size: 24px;
    color: #333333;
    font-weight: 400;
    margin-bottom: 20px;
}
.con_top ul li>div:nth-child(2) p{
    position: relative;
    font-size: 16px;
    color: #999;
    line-height: 24px;
}
.con_top ul li>div:nth-child(2) p::after{
    position: absolute;
    top: 0;
    right: -40px;
    content: "";
    display: block;
    width: 1px;
    height: 100%;
    z-index: 10;
    background-color: #dddddd;
}
.con_top ul li:last-child>div:nth-child(2) p::after{
    display: none;
}
.title{
    text-align: center;
}
.title h2{
    font-size: 36px;
    color: #660798;
    text-align: center;
    letter-spacing: 1px;
    font-weight: 400;
}
.title span{
    display: inline-block;
    width: 30px;
    height: 2px;
    background: #666;
    margin: 10px 0;
}
.title p{
    font-size: 16px;
    color: #666;
    letter-spacing: 2px;
    color: #666;
    text-transform: uppercase;
}
.title.white h2{
    color: #fff;
}
.title.white span{
    background: #fff;
}
.title.white p{
    color: #fff;
}
.con_product ul{
    margin-top: 40px;
}
.con_product ul li{
    float: left;
    width: 22%;
    margin-right: 25px;
    padding: 10px;
    background-color: #f8f8f8;
}
.con_product ul li img{
    display: block;
    width: 100%;
    height: 230px;
}
.con_product ul li:nth-child(4n){
    margin-right: 0;
}
.con_product ul li div:nth-child(2) h2{
    color: #333;
    font-size:16px;
    font-weight: 400;
    margin: 10px 0;
}
.con_product ul li div:nth-child(2){
    position: relative;
}
.con_product ul li div:nth-child(2)::after{
    position:absolute;
    bottom: 10px;
    right: 10px;
    content: "";
    display: block;
    border-width: 10px;
    border-style: solid;
    border-color: transparent;
    border-left-color: #ccc;
}
.con_product ul li div:nth-child(2) p{
    color: #666;
    font-size:13px;
}
.con_product ul li:hover p{
    color: #660798 !important;
}
.con_product ul li:hover h2{
    color: #660798 !important;
}
.con_product ul li:hover div:nth-child(2)::after{
    border-left-color: #660798;
}
.con_about{
    position: relative;
    margin-top: 60px;
    display: flex;
}
.con_about  .about_ft{
    width: 40%;
}
.con_about  .about_rt{
    width: 50%;
}
.con_about  .about_ft div:nth-child(1) img{
    display: block;
    width: 100%;
}
.con_about  .about_ft div:nth-child(2){
    display: flex;
    background: #660798;
    justify-content: space-around;
}
.con_about  .about_ft div:nth-child(2) p{
    position: relative;
    display: block;
    width: 32%;
    padding: 10px;
    box-sizing: border-box;
    color: #fff;
}
.con_about  .about_ft div:nth-child(2) p::after{
    position: absolute;
    top: 43px;
    right: -4px;
    content: "";
    display: block;
    width: 1px;
    height: 30px;
    background: #fff;
}
.con_about  .about_ft div:nth-child(2) p:last-child:after{
    display: none;
}
.con_about  .about_ft div:nth-child(2) p strong{
    display: block;
    font-size: 48px;
    text-align: center;
    font-weight: 400;
}
.con_about  .about_ft div:nth-child(2) p span{
    display: block;
    text-align: center;
}
.con_about  .about_rt .about_title{
    margin-left:40px;
}
.con_about  .about_rt .about_title h2{
    font-size: 36px;
    color: #660798;
    letter-spacing: 1px;
    font-weight: 400;
}
.con_about  .about_rt .about_title span{
    display: inline-block;
    width: 30px;
    height: 2px;
    background: #666;
    margin: 10px 0;
}
.con_about  .about_rt .about_title p{
    font-size: 16px;
    color: #666;
    letter-spacing: 2px;
    text-transform: uppercase;
}
.con_about  .about_rt .about_introduction{
    position: absolute;
    top: 122px;
    min-height: 400px;
    width: 963px;
    background-color: rgb(245, 245, 245);
    margin-left: -325px;
    left: 50%;
    box-sizing: border-box;
    padding:50px 25px 0 269px;
    font-size: 14px;
    line-height: 28px;
    animation-duration: 1s;
    animation-fill-mode: both;
    z-index: -1;
    color: #666;
}
.con_production{
    margin-top: 40px;
    padding: 30px 0;
}
.production ul{
    display: flex;
    justify-content: space-around;
    margin-top: 30px;
}
.production ul li{
    width: 28%;
    border: 1px solid #fff;
    padding:20px;
    -webkit-border-radius: 6px;
    -moz-border-radius: 6px;
    border-radius: 6px;
}
.production ul li h3{
    color: #ffffff;
    font-size: 18px;
    font-weight: bold;
    margin: 15px 0;
}
.production ul li p{
    color: #ffffff;
    font-size: 16px;
    line-height: 30px;
}
.production ul li img{
    margin-top: 20px;
}
.con_news{
    margin-top: 30px;
}
.con_news_bottom ul{
    margin-top: 30px;
}
.con_news_bottom ul li{
    float: left;
    width: 32%;
    margin-right: 26px;
    margin-bottom: 15px;
}
.con_news_bottom ul li a>div{
    overflow: hidden;
}
.con_news_bottom ul li:nth-child(3n){
    margin-right: 0;
}
.con_news_bottom ul li img{
    display: block;
    width: 100%;
    transform: scale(1);
    transition: all 1s ease;
}
.con_news_bottom ul li:hover img{
    transform: scale(1.2);
}
.con_news_bottom ul li .ft{
    width: 20%;
}
.con_news_bottom ul li .rt{
    width: 75%;
}
.con_news_bottom ul li .ft strong{
    display:block;
    text-align: center;
    font-size: 46px;
    letter-spacing: 1px;
    color: #666;
}
.con_news_bottom ul li .ft p{
    display: block;
    text-align: center;
    font-size: 16px;
    letter-spacing: 1px;
    color: #666;
}
.con_news_bottom ul li .rt {
    margin-top: 15px;
    font-size: 16px;
    color: #000000;
    line-height: 2;
}
footer{
    background-color: rgb(41, 44, 49);
    min-height: 249px;
    padding-top: 50px;
}
.foot_top{
    display: flex;

}
.foot_top>div:nth-child(4){
    width: 30%;
}
.foot_top>div:nth-child(5){
    width: 28%;
    color: #fff;
}
.foot_top dl{
    width: 18%;
}
.foot_top dl dt{
    font-size: 18px;
    font-weight: bold;
    color: #fff;
    margin-bottom: 20px;
}
.foot_top dl dd{
    margin: 10px 0;
}
.foot_top dl dd a{
    font-size: 14px;
    color: #ddd;
}
.foot_top>div p{
    font-size: 16px;
    margin-bottom: 10px;
}
.foot_bottom{
    margin-top: 40px;
    padding: 30px 0;
    text-align: center;
    font-size: 16px;
    color: #fff;
    border-top: 1px solid #313131;
    border-bottom: 5px solid #660798;
}
.about_top ul{
    display: flex;
    justify-content: space-around;
    padding: 40px;
    box-sizing: border-box;
    position: relative;
    background: #fff;
    box-shadow: 0px 0px 5px rgba(0,0,0,.5);
    transform: translateY(-50px);
    z-index: 5;

}
.about_top ul li a{
    font-size: 16px;
    color: #000;
}
.about_top ul li a:hover{
    color: #660798;
}
.about_top ul li.active a{
    color: #660798;
}
.product ul li{
    float:left;
    width: 29%;
    margin-right: 15px;
    margin-bottom: 20px;
    background: #fff;
}
.product ul li:nth-child(3n){
    margin-right: 0;
}
.product ul li img{
    display: block;
    width: 100%;
    height: 377px;
}
.product ul li p{
   text-align: center;
    font-size: 18px;
    color: #000;
    line-height: 60px;
}
.product ul li:hover p{
    color: #660798;
}
/*页码*/
.page{
    text-align: center;
    margin: 35px 0;
}
.page a{
    padding:5px 15px;
    border:1px solid #666;
    color: #666;
    border-radius: 5px;
    margin:0 5px;
}
.page a.coc{
    color: #fff;
    background-color: #660798;
    border:1px solid #660798;
}
.news ul li{
    padding: 15px 0;
    border-bottom: 1px solid #ccc;
}
.news .new_left{
    float: left;
    width: 25%;
    overflow: hidden;
}
.news .new_left img{
    display: block;
    width: 100%;
    transform: scale(1);
    transition:all 1s ease;
}
.news .new_left img:hover{
    transform: scale(1.2);
}

.news .new_right{
    float: right;
    width: 70%;
}
.news .new_right h2{
    font-size: 18px;
    color: #333333;
    width: 890px;
    font-weight: bold;
    left: 310px;
    -webkit-line-clamp: 1;
    margin-top: 10px;
}
.news .new_right span{
    display: block;
    font-size: 14px;
    color: #999;
    margin: 10px 0 ;
}
.news .new_right p{
    color: #666666;
    font-size: 16px;
}
.news li:hover h2{
    color: #660798;
}
.contact{
    display: flex;
    padding: 30px 0;
}
.contact>div{
    width: 48%;
}
.contact>div:nth-child(1) h3{
    margin: 50px 0;
    font-size: 24px;
    color: #333;
}
.contact>div:nth-child(1) p{
    color: #333;
    font-size: 16px;
    line-height:46px;
}
.phone_bottom{
    display: none;
    position:fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: #fff;
    z-index: 4;
}
.phone_bottom ul{
    display: flex;
    justify-content: space-between;
}
.phone_bottom ul li{
    width: 24%;
    text-align: center;
}
.phone_bottom ul li p{
    margin-bottom: 10px;
}
.phone_bottom ul li img{
    display: block;
    max-width: 30px;
    margin: 10px auto;

}
.phone_box{
    display: none;
    height: 76px;
}




@media screen and (max-width: 768px) {
    .w1200{width: 100%;}
    .w1600{width: 100%;}
    .w1300{width: 100%;}
    .con_product,.con_production,.con_news,footer,.contents,.contact,.news
    {padding: 10px;box-sizing: border-box;}
    .head_top{
        display: none;
    }
    .w1200 {
        width: 100%;
        box-sizing: border-box;
        padding: 10px;
    }

    .drawer-btn {
        display: block;
    }

    header .logo {
        width: 100%;
    }

    header .logo img {
        max-height: 56px;
        max-width: 51%;
    }

    header > div {
        display: block;
        padding: 10px 0;
        justify-content: space-between;
    }

    header nav > ul {
        display: block;
    }

    header nav {
        position: fixed;
        top:64px;
        left: 0;
        width: 100%;
        height: 100vh;
        display: none;
        z-index: 8;
        background: #F0F0F1;
    }

    header nav .nav_a {
        border-bottom: 1px solid #000;
    }

    header nav .nav_a i {
        position: absolute;
        top: 0;
        right: 0;
        display: block;
        width: 60px;
        height: 60px;
        background: url("../images/erji.png") no-repeat center center/30px 30px;
        z-index: 5;
    }

    header nav .nav_b {
        position: static;
        width: 100%;
        text-align: left;
        padding-left: 25px;
        box-shadow: none;
        background: none;
        border-radius: 0 !important;
        overflow: hidden;
        z-index: 6;
        transform: rotate(0deg);
        transition: transform .5s ease;
    }

    header nav .nav_a i.active {
        transform: rotate(90deg);
    }
    .title h2 {
        font-size: 24px;
    }
    header nav .nav_b.active {
        display: block !important;
    }
    .title span {
        width: 28px;
        height: 2px;
        margin: 7px 0;
    }
    .title p {
        font-size: 12px;
    }
    .con_top ul li>div:nth-child(2) p::after{
        display: none;
    }
    .con_top ul li>div:nth-child(2) h3 {
        font-size: 20px;
        margin-bottom: 4px;
    }
    .con_top ul li>div:nth-child(2) {
        margin: 0 0 0 25px;
    }
    .con_top ul li>div:nth-child(1) {
        position: absolute;
        top: 15px;
        left: 7px;
    }
    .con_top ul li{
        padding: 10px;
        box-sizing: border-box;
        margin-bottom:0;
        border-bottom: 1px solid #ccc;
    }
    .con_top ul li:nth-child(2n-1){
        border-right: 1px solid #ccc;
    }
    .con_top ul li>div:nth-child(1) img{
        display: block;
        width: 15px;
    }
    .con_top {
        padding: 10px;
        transform: translateY(0);
        z-index: 5;
        box-shadow:none;
    }
    .con_top ul {
        flex-wrap: wrap;
    }
    .con_top ul li {
        width: 50%;
    }
    .con_product ul li:nth-child(2n){
        margin-right: 0;
    }
    .con_product ul li {
        width: 41%;
        margin-right: 30px;
        margin-bottom: 15px;
    }
    .con_product ul li div:nth-child(2)::after {
        bottom: 12px;
        right: -5px;
    }
    .con_about {
       flex-wrap: wrap;
    }
    .con_about .about_ft {
        width: 100%;
    }
    .con_about .about_rt {
        width: 100%;
    }
    .con_about .about_rt .about_introduction {
        position: static;
        width: 100%;
        margin-left: 0;
        left: 50%;
        padding: 0;
        font-size: 14px;
    }
    .con_about .about_rt .about_title {
        margin: 10px 0;
    }
    .con_about{
        padding: 10px;
        background-color: rgb(245, 245, 245);
        box-sizing: border-box;
    }
    .production{
        margin-top: -18px;
    }
    .production ul {
       flex-wrap: wrap;
        justify-content: space-between;
    }
    .production ul li{
        width: 49%;
        box-sizing: border-box;
        padding: 10px;
    }
    .production ul li h3 {
        font-size: 15px;
        margin: 1px 0;
    }
    .production ul li p {
        color: #ffffff;
        font-size: 13px;
        line-height: 24px;
    }
    .production ul li img {
        margin-top: 10px;
        width: 40px;
    }
    .production ul li:nth-child(3n){
        width: 100%;
        margin-top: 10px;
    }
    .con_news_bottom ul li {
        width: 100%;
        margin-right: 0;
        padding-bottom: 15px;
        border-bottom: 1px solid #ccc;
    }
    .foot_top {
        flex-wrap: wrap;
    }
    .foot_top dl {
        width: 33%;
    }
    .foot_top>div:nth-child(4) {
        width: 33%;
    }
    .foot_top>div:nth-child(5) {
        width: 65%;
    }
    .foot_bottom {
        margin-top: 16px;
        padding: 20px 0;
    }
    .foot_bottom {
        border-bottom: none;
    }
    .phone_box{
        display:block;
        height: 76px;
    }
    .phone_bottom {
        display:block;
    }
    .hf{
        display: none;
    }
    .about_top ul {
        display:flex;
        flex-wrap: wrap;
        padding: 10px;
        box-sizing: border-box;
        box-shadow: none;
        transform: translateY(0);
    }
    .about_top ul li{
        width: 48%;
        border: 1px solid #660798;
        text-align: center;
        line-height: 50px;
        margin-bottom: 10px;
    }
    .about_top ul li a{
        color: #660798;
    }
    .about_top ul li.active{
        background: #660798;
    }
    .about_top ul li.active a{
        color: #fff;
    }
    .contact {
        display: flex;
        padding: 10px;
        flex-wrap: wrap;
        box-sizing: border-box;
    }
    .contact>div {
        width: 100%;
    }
    .news .new_right h2 {
        font-size: 18px;
        color: #333333;
        font-weight: bold;
        -webkit-line-clamp: 1;
        margin-top:0;
        width:280px;
        word-break:keep-all;
        white-space:nowrap;
        overflow:hidden;
        text-overflow:ellipsis;
    }
    .news .new_left img {
        height: 83px;
    }
    .news .new_right p{
        width:280px;
        word-break:keep-all;
        white-space:nowrap;
        overflow:hidden;
        text-overflow:ellipsis;
    }
    .product{
        padding: 10px ;
        box-sizing: border-box;
    }
    .product ul li {
        float: left;
        width: 46%;
        margin-right: 31px;
    }
    .product ul li:nth-child(3n) {
        margin-right:31px;
    }
    .product ul li:nth-child(2n) {
        margin-right: 0;
    }
    .product ul li img {
        height: 191px;
    }
    .product ul li p {
        font-size: 15px;
        line-height: 40px;
    }




}