*{padding:0;margin:0;box-sizing: border-box;}
a:focus {outline: none;}
.fl{float: left;}
.fr{float: right;}
.clearfix::after{content:"";visibility:hidden;display:block;height:0;clear:both;}
body{color:#383838;line-height: 22px;font-size: 14px; font-family:'PingFangSC-Regular', 'Microsoft YaHei','Microsoft YaHei UI',Tahoma,NSimsun,Simsun,"宋体",sans-serif!important;overflow-x: hidden;}
ul li{list-style:none;}
html,body{height: 100%;}
a,a:link, a:visited, a:hover {text-decoration: none; cursor: pointer;}
a{color: #383838;}
.w-1200{width:1200px;margin:0 auto;}
.clear{clear:both}
img{max-width: 100%;}
input:focus{outline:none;}
/* 手势
.pointer{cursor:pointer;} */
.twoLines{
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box ;
    -webkit-line-clamp: 2;
    /*! autoprefixer: off */
    -webkit-box-orient: vertical;
    /* autoprefixer: on */
}
 /*头部*/
 .header-box{position: relative;}
 .header-top{position: relative;height:100px;}
 .header-top .logo{padding: 23px 0 24px;float: left;}
 .header-top .logo img{width:438px;height:53px;display: block;}
 .header-top .link{position: absolute;top: 40px;right: 300px;line-height: 20px;font-weight: bold; text-shadow: 0px 1px 2px #FFFFFF;}
 .header-top .link a{color:#333;letter-spacing:1px;}
 .header-top .menu-box{width: 400px;height: 100px;float: right; padding: 35px 35px 35px 0; background: url(../img/headbg.png) no-repeat;background-size: 100% 100%;}
 .menu-box .search, .menu-box .wechat,.menu-box .weibo{
    float: right;
 }
.search {
    position: relative;
}
.search .search-text {
    font-size: 14px;
    padding: 5px 40px 5px 16px;
    width: 168px;
    height: 30px;
    background: #F9FBFF;
    border: 1px solid #E6E8EF;
    color: #86909C;
}
input::placeholder { 
    color: #86909C;
}
.search .search-btn {
    position: absolute;
    border:0;
    outline: none;
    cursor: pointer;
    right: 0;
    bottom: 0;
    width: 40px;
    height: 30px;
    background: url(../img/search.png)no-repeat;
    background-size: 100% 100%;
}
 .search .search-btn .search-icon{
    width: 16px;
    height: 16px;
    display: block;
 }
 .menu-box .wechat{margin: 0 12px;position: relative;height: 30px;padding: 3px 0;}
 .menu-box .weibo{height: 30px;padding: 3px 0;}
 .menu-box .weibo-icon{display: block; width: 24px;height: 24px; background: url(../img/weibo.png) no-repeat;background-size: 100% 100%;}
 .menu-box .wechat-icon{display: block; width: 24px;height: 24px; background: url(../img/wechat.png) no-repeat;background-size: 100% 100%;}
 .menu-box .wechat .bigImg{
    width: 166px;
    height: 178px;
    display: none;
    position: absolute;
    z-index: 300;
    right: -71px;
    text-align: center;
    padding-top: 12px;
 }
 .menu-box .wechat .bigImg img{
    width: 166px;
    height: 166px;
    display: block;
 }
 .wechat:hover .bigImg{
    display: block;
 }

 /* 导航菜单 */
.nav{
    position: relative;
    width: 100%;
    height: 50px;
    background: #AB3724;
}
.nav .nav_ul{
    font-size: 0;
}
.nav .nav_li{  
    width: 12.5%;  
    display: inline-block;
    text-align: center;
    position: relative;
    line-height: 50px;
}
.nav .nav_li>a{
    color: #fff;
    font-size: 20px;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 600;
}
.nav .sub-nav {
    display: none;
    position: absolute;
    top: 50px;
    left: 0;
    z-index: 10;
    width: 100%;
} 
.nav .nav_li:hover .sub-nav{
    display: block;
}
.nav .sub-nav>li{
    position: relative;
    background:rgba(171, 55, 36, 0.7);
}
.nav .sub-nav>li>a{
    color: #fff;
    display: block;
    font-size: 16px;
    font-family: PingFangSC-Medium, PingFang SC
}
.nav .sub-nav>li:hover{ 
    background:#AB3724;
}
.M_header{display: none;}
/* 底部 */
 .redLine{
    width: 100%;
    height: 6px;
    background: #AB3724;
}
.footer-box{
    width: 100%;
    min-height: 148px;
    background: #262626;
    padding: 30px 0;
    text-align: center;
}
.footer-logo{
    width: 246px;
    height: 75px;
    display: inline-block;
}
.footer-logo img{
    width: 100%;
    height: 100%;
    display: block;
}
.line{
    width: 1px;
    height: 82px;
    background: #565454;
    display: inline-block;
    margin: 0 84px 0 92px;
}
.footer-detail{
    display: inline-block;
}
.footer-detail p{
    color:#fff;
    line-height: 28px;
    text-align: left;
}
.footer-detail span{
    width: 16px;
    height: 16px;
    display: inline-block;
    vertical-align: middle;
    margin-right: 8px;
}
.footer-detail .copyright{
    background: url(../img/copy.png) no-repeat;background-size: 100% 100%;
}
.footer-detail .address{
    background: url(../img/address.png) no-repeat;background-size: 100% 100%;
}
.footer-detail .email{
    background: url(../img/email.png) no-repeat;background-size: 100% 100%;
}
/* 二级页面大图片 */
.picture{
    width: 100%;
    height: 300px;
    /*background: url(../img/secbanner.png) no-repeat;
    background-size: 100% 100%;*/
}
.picture img{
    object-fit: cover;
    height: 100%;
}
.code-box{
    display: none;
}
@media screen and (max-width: 1200px){
    .header{display: none;}
    .w-1200{width:100%;}
    /* 手机端导航开始 */
    .M_header{
        height: 50px;
        width: 100%;
        position: relative;
        z-index: 999;
        background: #AB3724;
        display: block;
    }
    .M_headerBox{
        /* display: flex;
        justify-content: space-between;
        align-items: center; */
        position: relative;
        height: 100%;
    }
    .logo_M{
        width: 240px;
        position: absolute;
        left: 16px;
        top: 50%;
        transform: translateY(-50%);
    }
    .menu-btn{
        width: 20px;
        height: 21px;
        position: absolute;
        right: 16px;
        top: 50%;
        transform: translateY(-50%);
    }
    .searchBtn{
        width: 20px;
        height: 20px;   
        position: absolute;
        right: 50px;
        top: 50%;
        transform: translateY(-50%);     
    }
    .bread{
        background: url(../img/open.png) no-repeat;
        background-size: 100% 100%;
    }
    .close{
        background: url(../img/close.png) no-repeat;
        background-size: 100% 100%;
    }
    .M_header .nav_ul,.M_header .search_Box{
        width: 100%;
        position: absolute;
        top: 50px;
        left: 0;
        background: #fff;
        padding: 0 18px 10px 16px;
        display: none;
    }
    .M_header .search_Box{
        padding: 50px 16px 100px;
    }
    .search .search-text{
        width: calc(100% - 40px);
    }
    .M_header .sub-nav{
        display: none;
        padding-left: 16px;
    }
    .M_header .nav_li{
        min-height: 54px;
        border-bottom: 1px solid #DEDDDD;
        position: relative;
    }
    .M_header .nav_li>a{
        font-size: 16px;
        font-family: PingFangSC-Medium, PingFang SC;
        font-weight: 600;
        color: #1A1A1A;
        line-height: 54px;
        display: block;
        width: 100%;
        height: 100%;
    }
    .M_header .sub-nav a{
        font-weight: 600;
    }
    .M_header .sub-nav li{
        padding-bottom: 16px;
    }
    .M_header .icon{
        display: inline-block;
        width: 24px;
        height: 24px;
        position: absolute;
        right: 0;
        top: 15px;
    }
    .down{
        background: url(../img/down.png) no-repeat;
        background-size: 100% 100%;
    }
    .up{
        background: url(../img/up.png) no-repeat;
        background-size: 100% 100%;
    }
    .searchBtn{
        background: url(../img/searchBtn.png) no-repeat;
        background-size: 100% 100%;
    }
    /* 手机端导航结束 */
    .footer-logo{
        width: 180px;
        height: 55px;
        display: block;
        margin: 0 auto;
        margin-bottom: 15px;
    }
    .line{display: none;}
    .picture{
        height: 168px;
    }
    .link{
        height: 54px;
        display: flex;
        justify-content: space-around;
        align-items: center;
    }
    .code-box{
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 16px 0 20px;
        width: 190px;
        margin: 0 auto;
    }
    .code-box p{
        color: #FFFFFF;
    }
    .bigImg{
        width: 80px;
        height: 80px;
    }
    .weibo-phone{
        display: block;
        margin: 14px;
    }
    .webo{
        width: 52px;
        height: 52px;
    }
    .code{
        width: 100%;
        height: 100%;
    }
    .bigImg img{
        display: block;
    }
}