@charset "utf-8";
/* CSS Document */
body{margin:0;padding:0;font-size:14px;line-height:22px;font-family:Microsoft YaHei,黑体,Verdana,Arial,sans-serif;-webkit-text-size-adjust:none;color:#333;background:#fff;}
html,body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,form,fieldset,input,textarea,p,blockquote,th,td,p{margin:0;padding:0;}
img{border:0;vertical-align:bottom;}
ul,li{list-style-type:none;}
a{color:#333;text-decoration:none;transition:all 0.3s;}
input:focus,select:focus,option:focus,textarea:focus{ outline:none;}
textarea,input[type=date],input[type=number]{ resize:none; border: none;}
button:hover,input[class*=b]:hover{ cursor:pointer;}
i,u{font-style: normal;font-weight: normal;}
.tl{text-align:left;}.tc{text-align:center;}.tr{text-align:right;}
.fl{float:left;}.fr{float:right;}.cl{clear:both;}.fb{font-weight:bold;}
.rel{position:relative;}
.min_w{min-width:1200px;}
.container{width:1200px;margin:0 auto;}

/*header*/
.top{
    height:130px;
    background:#fff;
}
.top_tel{
    line-height:30px;
    background:url(../images/tel.png) no-repeat left center;
    color:#666;   
    margin-top:30px;
    padding:10px 0; 
    padding-left:70px;
}
.top_tel strong{
    color:#f60a22;
    font-size:28px;
}
.nav_bg{
    height:50px;
    line-height:50px;
    background:#422409;
}
.nav_list li{
    width:200px;
    float:left;
    position:relative;
}
.nav_list li::after{
    content:"";
    position:absolute;
    right:0;
    top:18px;
    width:2px;
    height:14px;
    background:#aba39e;
}
.nav_list li a{
    display:block;
    font-size:16px;
    color:#fff;
    text-align:center;
}
.nav_list li:hover a{
    background:#653102;
    color:#fff;
}


/* banner */
.banner{
    position:relative;
    overflow:hidden;
    margin-bottom:40px;
}
.banner .swiper-button-prev{
    position:absolute;
    top:40%;
    left:0;
    width:40px;
    height:60px;
    background:url(../images/i01.png) no-repeat;
    background-size:100% 100%;
}
.banner .swiper-button-next{
    position:absolute;
    top:40%;
    right:0;
    width:40px;
    height:60px;
    background:url(../images/i02.png) no-repeat;
    background-size:100% 100%;
}
.banner .wave{
    z-index:99;
    position:absolute;
    left:0;
    bottom:0;
    width:100%;
    height:88px;
    background:url(../images/wave.png) no-repeat center bottom;
}
.banner_type{
    position:absolute;
    left:0;
    bottom:0;
    width:100%; 
    z-index:99;  
}
.banner_type li{
    width:157px;
    height:136px;
    margin:0 7px;
    float:left;
    position:relative;
}
.banner_type .tit{
    position:absolute;
    left:0;
    top:46px;
    width:100%;
    height:45px;
    line-height:45px;
    color:#fff;
    font-size:16px;
    text-align:center;
}
/* 关于正大 */
.about_tit{
    margin-bottom:40px;
}
.about_tit dt{
    line-height:70px;
    background:url(../images/tit01.png) no-repeat center center;
    font-size:36px;
    color:#333;
}
.about_tit dd{
    font-size:16px;
    color:#3e2209;
    line-height:30px;
}

.about_pic{
    width:600px;
    height:480px;
    border-radius:32px 0 32px 0;
}
.about_con{
    width:560px;
}
.about_con h3{
    font-size:30px;
    font-weight:normal;
    color:#333;
    line-height:40px;
    margin-bottom:20px;
}
.about_text{
    font-size:16px;
    color:#666;
    line-height:34px;
    min-height:204px;
    margin-bottom:10px;
    
}
.about_more{
    width:180px;
    height:50px;
    line-height:50px;
    background:#422409 url(../images/icon01.png) no-repeat 140px center;
    color:#fff;
    font-size:16px;
    font-weight:bold;
    text-transform:uppercase;
    padding-left:30px;
    box-sizing:border-box;
    margin-bottom:30px;
}
.about_list li{
    width:172px;
    height:126px;
    margin-right:20px;
    float:left;
    border-radius:14px 0 14px 0;
    overflow:hidden;
}
.about_list li:last-of-type{
    margin-right:0;
    float:right;
}

/* 产品展示 */
.pro_bg{
    background:url(../images/bg01.jpg) no-repeat center top;
    padding-top:40px; 
}
.pro_tit{
    margin-bottom:40px;
}
.pro_tit dt{
    line-height:70px;
    background:url(../images/tit02.png) no-repeat center center;
    font-size:36px;
    color:#fff;
}
.pro_tit dd{
    font-size:16px;
    color:#cfc8c1;
    line-height:30px;
}
.pro_type{
    margin-bottom:50px;
}
.pro_type a{
    display:inline-block;
    min-width:120px;
    padding:0 10px;
    height:40px;
    line-height:40px;
    border:#fff solid 1px;
    margin:0 10px;
    text-align:center;
    color:#fff;
    font-size:16px;
}
.pro_type a:hover{
    background:#fff;
    color:#422409;
}
.pro_list li{
    width:386px;
    height:260px;
    margin:0 7px 14px;
    float:left;
    position:relative;
    overflow:hidden;
}
.pro_list li img{
    transition:.5s linear;
}
.pro_list li:hover img{
    transform:scale(1.1);
}
.pro_list li a{
    display:block;
}
.pro_list .tit{
    position:absolute;
    left:0;
    bottom:0;
    width:100%;
    height:50px;
    line-height:50px;
    padding:0 20px;
    box-sizing:border-box;
    color:#fff;
    font-size:16px;
    background:rgba(0, 0, 0, .55) url(../images/icon02.png) no-repeat 350px center;
}
/* 样板工程 */
.case_left{
    width:220px;
    height:440px;
    background:#422409;    
    padding-top:60px;
    box-sizing:border-box;
}
.case_more{
    width:160px;
    line-height:50px;
    border:#fff solid 1px;
    margin:30px auto;
    color:#fff;
    font-size:16px;
    display:block;
}
.case_more:hover{
    background:#fff;
    color:#3e2209;
}
.case_door{
    position:absolute;
    left:-50px;
    bottom:-80px;
}
.case_list{
    width:980px;
}
.case_list li{
    width:310px;
    height:215px;
    margin:0 0 10px 10px;
    overflow:hidden;
    float:left;
}
.case_list li img{
    transition:.5s linear;
}
.case_list li:hover img{
    transform:scale(1.1);
}
/*footer*/
.contact_box{
    height:180px;
    position:relative;
    margin-top:100px;
}
.contact_con{
    position:absolute;
    left:0;
    top:0;
    width:100%;
    height:360px;
    background:#fff;
    box-shadow:0 0 6px #ddd;
}
.contact_text{
    width:370px;
    height:360px;
    padding:10px 20px;
    box-sizing:border-box;    
}
.contact_tit{
    height:75px;
    line-height:75px;
    font-size:36px;
    color:#422409;
    position:relative;
    margin-bottom:15px;
}
.contact_tit::after{
    content:"";
    position:absolute;
    left:0;
    bottom:0;
    width:70px;
    height:3px;
    background:#422409;
}
.contact_text .text1{
    font-size:22px;
    color:#2b2c30;
    line-height:40px;
}
.contact_text .text2{
    line-height:34px;
    font-size:16px;    
}
/* footer */
.footer_bg{
    height:320px;
    background:url(../images/bot_bg.jpg) no-repeat center bottom;
    padding-top:200px;
    box-sizing:border-box;
    color:#fff;
}
.copyright{
    padding:30px 0;
    line-height:30px;
    color:#fff;
    font-size:16px;
    text-align:center;
}
/*main*/
.main_type{
    margin-bottom:50px;
}
.main_type a{
    display:inline-block;
    margin:0 10px;
    min-width:120px;
    line-height:40px;
    padding:0 10px;
    color:#422409;
    border:#422409 solid 1px;
    font-size:16px;
}
.main_type a:hover{
    background:#422409;
    color:#fff;
}
.active{ background:#422409;
    color:#fff;}
.main_about{
    line-height:34px;
    font-size:16px;
    color:#666;
}
.main_about_list{
    padding:20px 0;
    box-shadow:0 0 15px #ddd;
    margin:50px 0;    
}
.main_about_list li{
    width:25%;
    float:left;
    font-size:16px;
    color:#999;
    line-height:40px;
    position:relative;
}
.main_about_list li:after{
    content:"";
    position: absolute;
    top:50%;
    right:0;
    width:1px;
    height:50px;
    margin-top:-25px;
    background:#e3e3e3;
}
.main_about_list .no{
    font-size:50px;
    line-height:60px;
    color:#333;
    position:relative;
    display:inline-block;
}
.main_about_list .year{
    font-size:14px;
    color:#333;
    line-height:20px;
    position:absolute;
    right:-20px;
    top:0;
}
.main_page{margin:30px 0;}
.main_page a{display:inline-block;margin:0 5px;border:#ddd solid 1px;padding:0 15px;height:30px;line-height:30px;}
.main_page a:hover{background:#422409;color:#fff;border:#422409 solid 1px;}

.mar50{
    margin-bottom:50px;
}
/* 新闻详情 */
.l-xwxq1{
    width: 100%;
    margin: 0 auto;
    background: #fff;
    padding-top: 40px;
    margin-bottom: 100px;
}
.l-xwxq2{
    width: calc(100% - 2%;);
    margin: 0 auto;
}
.l-xwxq3{
    width: 100%;
    font-size: 26px;
    line-height: 26px;
    text-align: center;
    color: #444444;
    padding-bottom: 35px;
    border-bottom: 1px dashed #DADADA;
}
.l-z9{color: #949494;}
.l-xwxq4{
    width: 100%;
    padding-bottom: 35px;
    margin: 0 auto;
    /*text-align: center;*/
    margin-bottom: 20px;
    border-bottom: 1px dashed #DADADA;
}
.l-xwxq5{
    width: 28%;
    margin: 0 auto;
    font-size: 16px;
    line-height: 36px;
    text-align: center;
    color: #949494;
    margin: 0 30px;
}
.l-xwxq5 span{
    color: #FB5354;
}
.l-xwxq6{
    width: 720px;
    /*height: 435px;*/
    margin: 0 auto;
    margin-bottom: 20px;
}
.l-xwxq6 img{
    width: 100%;
    max-width: 100%;
}
.l-xwxq7{
    font-size: 16px;
    line-height: 32px;
    color: #A1A1A1;
    padding-bottom: 60px;
    border-bottom: 1px solid #E3E3E3;
}
.l-xwxq7 p{
    font-size: 16px;
    line-height: 32px;
    color: #A1A1A1;
}
.l-xwxq7 span{
    font-size: 16px;
    line-height: 32px;
    color: #A1A1A1;
}
.l-xwxq8{
    width: 100%;
    padding-top: 40px;
    padding-bottom: 65px;
}
.l-xwxq9{
    font-size: 16px;
    line-height: 16px;
    color: #696969;
}
.l-xwxq9 span{
    color: #5E636E;
    font-weight: bold;
}