/*???????????????*/
html{margin:0;padding:0;border:0;}
body,div,span,object,iframe,h1,h2,h3,h4,p,blockquote,pre,a,address,code,b,em,img,
dl,dt,dd,ol,ul,li,fieldset,form,label,footer,
header,hgroup,navs,section
{margin:0;padding:0;border:0;}
body{background:#fff;color:#333;position:relative;font:12px/1.5 Microsoft YaHei,arial,??????,sans-serif;vertical-align:baseline;width:100%;overflow-x:hidden;}
a{text-decoration:none;outline:none;}

a:hover,a:active,a:focus{text-decoration:none;outline:none;}


input{padding:0;margin:0;font-family:'Microsoft YaHei';}
img{border:none;background:none;vertical-align:middle;}
ul,ol,li{list-style-type:none;}
select,input,img,select{vertical-align:middle;}
table{border-collapse:collapse;border-spacing:0}
table, th, td {vertical-align: middle}
.clearfix:after{content: ".";display: block;height: 0;clear: both;overflow: hidden;visibility: hidden;}
.clearfix{zoom:1}
.clearboth{height:0px;line-height:0px;overflow:hidden;clear:both;font-size:0px;}

h1,h2{font-size:12px;font-weight:bold;}
hr {border: 0;border-top:1px solid #ccc;height:0;}

p{margin:0;}



/*----- Common css ------*/
.fl{float:left;}
.fr{float:right;}
.di{_display:inline;}
.fwn{font-weight:normal;}
.dib{*display:inline;_zoom:1;_display:inline;_font-size:0px;}

/*??????*/
#demo{overflow:hidden;width:100%;margin:0 auto;}
#indemo {float: left;width:800%!important;}
#demo1 {float: left;}
#demo2 {float: left;}

#m_demo{overflow:hidden;width:92%;margin:0 auto;}
#m_indemo {float: left;width:800%!important;}
#m_demo1 {float: left;}
#m_demo2 {float: left;}



.pos{position: relative;width:1920px;left:50%;margin-left:-960px;}
.wh{width:1200px;margin:0 auto;}


.com-img{ display:inline; overflow:hidden;margin:0 auto;display: table;}
.com-img img{ transition:all 0.8s; -webkit-transition:all 0.8s; -moz-transition:all 0.8s; -o-transition:all 0.8s;}
.com-img:hover img{transform:scale(1.2); -webkit-transform:scale(1.2); -moz-transform:scale(1.2); -o-transform:scale(1.2);-ms-transform:scale(1.2);}



.roll_product {float: left;}


/*????????????*/
.top1{background:#e6e6e6;color:#595959;height:27px;line-height:27px;overflow:hidden;font-size:14px;}
.top1 a{color:#595959;}





.top2{height:143px;overflow:hidden;}

.logo{float:left;line-height:143px;}
.k2{margin-top: 5px;font-size:14px;color:#333333;line-height:35px;background: url(../images/t.png) no-repeat left center;padding-left:54px;}
.k2 p:nth-child(2){color:#2459a9;font-size:27px;}




.product_list1{margin-top:38px;}
.product_list1 li{float:left;margin-right:57px;margin-bottom:28px;}
.product_list1 li:nth-child(4n){margin-right:0;}
.product_list1 li img{width:257px;height:293px;}
.product_list1 li h3{text-align:center;font-weight:normal;color:#3f3f3f;font-size:20px;}





/*????????????*/

.ssddds{
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.xyin-case-sort li:hover, .xyin-case-sort li.on {
    background: #3c486d;
    position: relative;
    color: #fff;
    cursor: pointer;
}

.xyin-case-sort li:hover a, .xyin-case-sort li.on a {
    color: #fff;
}

.aby_hh li:hover .aby_hh_img img{
    filter: invert(49%) sepia(93%) saturate(369%) hue-rotate(900deg) brightness(60%) contrast(93%);
}









.w1750{max-width: 1750px; margin: 0 auto;}
@media (max-width: 1750px) {
.w1750{padding: 0 2%;}
}

.bbtb{
    position: fixed;
    z-index: 999;
    width: 100%;
}
.tbdh{
    height: 47px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

.bbtbon .tbdh{display: none;}


.tbdh h2{
    font-size: 14px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 23px;
    letter-spacing: 0px;
    color: #ffffff;
    float: right;
    background: url(img/3e65774b9ae19d9d84f4655cc9add6c45803838b.png) no-repeat left center;
    padding-left: 30px;
    margin-top: 18px;
}
.ban img{width: 100%;}


.bbban{    
    position: fixed;
    top: 0;
    z-index: -1;
}

.bbtbon .bbban{

}
.bbtbon .x-top2{background-color: #fff;}
.x-top2 .fdlogo{display: none;}
.bbtbon .x-top2 .dlogo{display: none;}
.bbtbon .x-top2 .fdlogo{display: block;}
.bbtbon .x-menu > li>a{color: #000;}
.bbtbon .x-menu > li{margin-top: 15px; width: 14%;}
.bbtbon .so img{
transform: translateY(-100px);   filter: drop-shadow(#000 0 100px); }
.bbtbon .x-menu > li:hover:after{
     background: url(img/896e9f7427844953907f5eb579e5474f44d3b147.png) no-repeat;
}


.bbban .owl-nav{display: none;}
.bbban .owl-dots{display: none;}

.x-banner .owl-stage .active {
    -webkit-animation: banba 5s linear;
    animation-fill-mode: forwards;
}


    @keyframes banba {
        0% { -webkit-transform: scale(1); transform: scale(1);}        
        100% { opacity: 1;  -webkit-transform: scale(1.2); transform: scale(1.2);}  
    }




.bb1x{
    padding-bottom: 3vw;
    background: url(img/9e32728bea552ff86c4edd9d7ff50f6c642ec035.png) no-repeat bottom #f9f9f9;
    
}
.bb1x .w1750{
    padding: 0 60px;
}

.bbbt1{
    text-align: center;
    height: 133px;
    background-color: #fff;
}
.bbbt1 h2{
  
font-size: 28px;
  
font-weight: bold;
  
font-stretch: normal;
  
line-height: 34px;
  
letter-spacing: 0px;
  
color: #0d7550;
  
padding-top: 28px;
}
.bbbt1 h3{
  
font-size: 14px;
  
font-weight: normal;
  
font-stretch: normal;
  
line-height: 34px;
  
letter-spacing: 3px;
  
color: #575757;
  
margin-top: 9px;
}
.bb1nr{
   
}
.bb1z{
    width: 42%;
    float: left;
    padding-top: 5vw;
}
.bb1z h2{
    font-size: 26px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 26px;
    letter-spacing: 0px;
    color: #0f0f0f;
}
.bb1z h3{
    width: 61px;
    height: 3px;
    background-color: #0d7550;
    margin-top: 30px;
}
.bb1z h4{
    font-size: 14px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 28px;
    letter-spacing: 0px;
    color: #575757;
    margin-top: 23px;
}
.bb1z h4 p{
   
}
.bb1z .bb1gd{
    width: 136px;
    height: 37px;
    background: url(img/aa8464ac5a56603ed3db1f5c9b34fe5fe30b7871.png) no-repeat 80% #0d7550;
   
    box-shadow: -5px 3px 7px 0px 
  rgba(0, 0, 0, 0.17);
    border-radius: 16px;
    font-size: 12px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 38px;
    letter-spacing: -1px;
    color: #ffffff;
    padding-left: 19px;
    margin-top: 4vw;
    position: relative;
    overflow: hidden;
    transition: all ease-in-out 0.3s;
}


.bb1z .bb1gd:hover{
    letter-spacing: 0;
    background: url(img/aa8464ac5a56603ed3db1f5c9b34fe5fe30b7871.png) no-repeat 88% #0d7550;
    transition: all ease-in-out 0.3s;
}


/* .bb1z .bb1gd:before{
    border-radius: 50%;
    content: "";
    display: block;
    height: 0;
    left: 50%;
    padding-top: 100%;
    position: absolute;
    top: 50%;
    transform: translateX(-50%) translateY(-50%);
    transition: all .6s;
    width: 100%;
}
.bb1z .bb1gd:hover:before{
    -webkit-animation: button_style_0_anim .75s;
    animation: button_style_0_anim .75s;
    z-index: 1;
} */


.bb1y{
    width: 46%;
    float: right;
}
.bb1y img{width: 100%;  transition: all ease-in-out 0.3s;  }
.bb1y img:hover{ transform: scale(1) translateX(-4%);  transition: all ease-in-out 0.3s;  }


@-webkit-keyframes button_style_0_anim {
    0% {
        background: rgba(0, 0, 0, .25);
        transform: translateX(-50%) translateY(-50%) scale(0)
    }

    to {
        background: transparent;
        transform: translateX(-50%) translateY(-50%) scale(1)
    }
}


@media (max-width: 992px) {  

.bb1z{width: 100%;}
.bb1y{width: 100%;}

}

@media(max-width: 768px){
    .bb1x .w1750{
        padding: 0 30px;
    }
    .bbbt1 {
    padding: 0 30px;
}
}


.bb2x{
    height: 16.2vw;
    background-color: #23362a;
}


.bb2nr{
    position: relative;
}
.bb2z{
    width: 68.3%;
    float: left;
    padding-top: 6vw;
    text-align: center;
}
.bb2z li{
    display: inline-block;
    vertical-align: middle;
    text-align: left;
    margin: 0 4%;
}
.bb2z li h2{
    font-size: 14px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 30px;
    letter-spacing: 0px;
    color: #ffffff;
}
.bb2z li h3{
    margin-top: 19px;
}

.bb2z li h3 s1{
    font-size: 40px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 36px;
    letter-spacing: 0px;
    color: #ffffff;
}
.bb2z li h3 s2{
    font-size: 14px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 30px;
    letter-spacing: 0px;
    margin-left: -3px;
    color: #ffffff;
}

.bb2y{
    height: 374px;
    background: url(img/67a8f3db4501d6b3ba21edb9165467c40ebd930b.png) no-repeat;
    width: 31.7%;
    float: right;
    background-size: 100%;
    text-align: center;
    padding-top: 5.3vw;
    position: absolute;
    right: 0;
}
.bb2y h2{
    font-size: 34px;
    font-weight: bold;
    font-stretch: normal;
    line-height: 56px;
    letter-spacing: 0px;
    color: #ffffff;
}
.bb2y h3{
    font-size: 24px;
    font-weight: normal;
    letter-spacing: 4px;
    color: #ffffff;
    margin-top: 10px;
}
.bb2y h4{
    width: 135px;
    height: 36px;
    border-radius: 16px;
    margin: 2.5vw auto 0;
    font-size: 12px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 36px;
    letter-spacing: -1px;
    color: #0d7550;
    text-align: left;
    padding-left: 14px;
    background: url(img/8d3c5af7034f10b445e9f29410485a0842de89d5.png) no-repeat 80% #fff;
    transition: all ease-in-out 0.3s;  
}

.bb2y h4:hover{
    letter-spacing: 0;
    background: url(img/8d3c5af7034f10b445e9f29410485a0842de89d5.png) no-repeat 88% #fff;
    transition: all ease-in-out 0.3s;  
}





.bb3x{
    background-color: #fff;
    padding-top: 8vw;
}
.bb3bt{}
.bb3btz{
    width: 75.8%;
    float: left;
}
.bb3btz h2{
    font-size: 16px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 14px;
    letter-spacing: 0px;
    color: #0d7550;
}
.bb3btz h3{
    font-size: 36px;
    font-weight: bold;
    font-stretch: normal;
    line-height: 34px;
    letter-spacing: 0px;
    color: #3b3c44;
    margin-top: 16px;
}
.bb3btz h4{
    font-size: 18px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 19px;
    letter-spacing: 0px;
    color: #0d7550;
    margin-top: 22px;
}
.bb3fwz{
    font-size: 16px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 34px;
    letter-spacing: 0px;
    color: #3b3c44;
    margin-top: 15px;
}

.bb3bty{
    float: right;
}

.bb3bty h2{
    width: 135px;
    height: 36px;
    border-radius: 16px;
    margin: 3.3vw auto 0;
    font-size: 12px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 42px;
    letter-spacing: -1px;
    color: #0d7550;
    text-align: left;
    padding-left: 14px;
    background: url(img/8d3c5af7034f10b445e9f29410485a0842de89d5.png) no-repeat 80% 13px #fff;
    transition: all ease-in-out 0.3s;
    box-shadow: 0px 6px 7px 0px    rgba(0, 0, 0, 0.17);
}

.bb3bty h2:hover{
    letter-spacing: 0;
    background: url(img/8d3c5af7034f10b445e9f29410485a0842de89d5.png) no-repeat 88% 13px #fff;
    transition: all ease-in-out 0.3s;  
}


.bb3nr{
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-top: 3.3vw;
}
.bb3nr li{
    width: 21.1%;
}
.bb3nr li .img{
    position: relative;
    overflow: hidden;
    transition: all ease-in-out 0.3s;  
}
.bb3nr li .img .img1{}
.bb3nr li .img .img1 img{
    width: 100%;
}
.bb3nr li .img .img2{
    position: absolute;
    top: 100%;
    width: 100%;
    height: 100%;

}
.bb3nr li:hover .img .img2{top: 0%; transition: all ease-in-out 0.3s;  }
.bb3nr li .img .img2 img{width: 100%;}
.bb3nr li h3{
    font-size: 14px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 14px;
    letter-spacing: 0px;
    color: #3b3c44;
    float: left;
    width: 100%;
    margin-top: 30px;
    border-bottom: 2px solid rgba(13, 117, 80, 0.5);
    padding-bottom: 20px;
}
.bb3nr li h3 s1{
    float: right;
    font-size: 12px;
}
.bb3nr li h4{
    height: 2px;
    background-color: #0d7550;
    opacity: 0.5;
}

.bb3nr li:hover h3{ color: #0d7550;}







.bb4x{
    background-color: #fff;
    padding-top: 5.3vw;
    padding-bottom: 5.1vw;

}
.bb4nr{    margin-top: 16px;}


.bb4hd{
    float: left;
    margin-top: 2vw;
}
.bb4hd li{margin-top: 2.4vw;}
.bb4hd li .img{
    float: left;
    margin-top: 10px;
}
.bb4hd li .img img{}
.bb4hd li h2{
    height: 52px;
    width: 160px;
    float: left;
    font-size: 16px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 42px;
    letter-spacing: 0px;
    color: #009640;
    text-align: center;
    margin-left: 19px;
    background: url(img/c83737c942026aeb37858e4532f1271425a840a6.png) no-repeat;
}
.bb4hd .on h2{
    background: url(img/fdeccf1ebc501dccf65fb2f6c3e0a2abaa256e9f.png) no-repeat;
    color: #ffff;
    line-height: 36px;
}



.bb4bd{
    width: 80.17%;
    float: right;
}
.bb4bd .tt{}
.bb4bd .tt ul{
    text-align: center;
    background: url(img/c8bf0c7240d32f94a1b18781667bf777c06124f3.png) no-repeat 0 65px;
   
}

.bb4bd .tt li{
    width: 29%;
    text-align: left;
    float: left;
    margin-left: 4%;
}
.bb4bd .tt li .bb4sj{}
.bb4bd .tt li .bb4sj h2{
    font-size: 20px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 17px;
    letter-spacing: 0px;
    color: #3b3c44;
}
.bb4bd .tt li .bb4sj h3{
    font-size: 14px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 11px;
    letter-spacing: 0px;
    color: #3b3c44;
    opacity: 0.8;
    margin-top: 9px;
}
.bb4bd .tt li .bb4an{
    width: 21px;
    height: 21px;
    background: url(img/dc3c431522739ec6cd7b26f6733f8fe75220cb3a.png) no-repeat;
    margin-top: 19px;
    z-index: 9999;
}

.bb4bd .tt li:hover .bb4an{
    background: url(img/1bf9501351c6ffc1af0a03e17adb9ab2f5c9e878.png) no-repeat;
}

.bb4bd .tt li .bb4wz{
    margin-top: 28px;
}
.bb4bd .tt li .bb4wz .img{
    max-width: 77%;
    display: none;
    margin-top: 30px;
}
.bb4bd .tt li:hover .bb4wz .img{
    display: block;
    overflow: hidden;
}

.bb4bd .tt li .bb4wz .img img{
    width: 100%;
     transition: all ease-in-out 0.3s;
}
.bb4bd .tt li .bb4wz .img:hover img{
     transform: scale(1.1);     transition: all ease-in-out 0.3s;
}
.bb4bd .tt li .bb4wz h2{
    font-size: 18px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 23px;
    letter-spacing: 0px;
    color: #3b3c44;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}
.bb4bd .tt li .bb4wz h3{
    font-size: 14px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 30px;
    letter-spacing: 0px;
    color: #575757;
    margin-top: 22px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}
.bb4bd .tt li .bb4wz h4{display: none;     margin-top: 15px;}
.bb4bd .tt li:hover .bb4wz h4{display: block;}


.bb4bd { position: relative; }
.bb4bd .tt { position: absolute; left: 0; top: 0; z-index: 9; right: 0;}
.bb4bd .tt { opacity: 0; visibility: hidden; transition: all .5s ease; }
.bb4bd .tt.on { position: static; opacity: 1; visibility: visible; }

    




@media (max-width: 1400px) {  
.x-top2 .nnav{width: 70%;}
.bb1nr{    padding: 22px 0% 0;     line-height: 45px;}
}


@media (max-width: 1300px) {  
.bb2z li{ margin: 0 4%;}
.bb2z{    padding-top: 5vw;}
.bb2z li h3{margin-top: 15px;}
.bb2y h2{
    font-size: 40px;
}
.bb2y h3{
    font-size: 26px;
}
.bb2y{
    padding-top: 3.3vw;
    height: 255px;
}

.bbbt1 h3{
    font-size: 26px;
    line-height: 45px;
}

.bbbt1 h2{font-size: 30px;}
.x-top2 .nnav{width: 78%;}


}

@media (max-width: 1100px) { 
.bb4hd li h2{
    width: 130px;
    background: url(img/be23245088830fd5ef2369ba26acfab9a902f13d.png) no-repeat;
    background-size: 100%;
    line-height: 37px;
    height: 45px;
    margin-left: 11px;
}
.bb4hd .on h2{
    height: 45px;
    width: 130px;
    background: url(img/fdeccf1ebc501dccf65fb2f6c3e0a2abaa256e9f.png) no-repeat;
    background-size: 100%;
    color: #fff;
}
.bb4hd li .img{
    margin-top: 6px;
}

.bb4bd .tt li .bb4wz h3{
    margin-top: 13px;
}
.bb4bd .tt li .bb4wz{
    margin-top: 16px;
}

}






@media (max-width: 992px) {
    .bb1nr{
    font-size: 12px;
    line-height: 32px;
}
.bbbt1 h2{
    font-size: 24px;
    line-height: 30px;
}
.bbbt1 h3{
    font-size: 16px;
    line-height: 23px;
    letter-spacing: 0px;
}
.bb1z h2{font-size: 15px;}

.bb2x{height: auto;}
.bb2z{
    width: 100%;
}
.bb2z li{
    width: 40%;
    margin: 0 2%;
}
.bb2z li h3 s1{font-size: 35px;}

.bb3nr li h3 s1{display: none;}

.bb2y h2{
    font-size: 19px;
    line-height: 36px;
}
.bb2y h3{
    font-size: 12px;
    letter-spacing: 2px;
}

.bb2y{
    width: 70%;
    margin-right: 15%;
    margin-top: 26px;
    padding-bottom: 40px;
    height: auto;
    padding-top: 29px;
    position: relative;
}

.bb3btz{
    width: 100%;
}

.bb3bty{
    float: left;
}

.bb3nr{
    margin-top: 35px;
}

.bb3nr li{
    width: 48.1%;
    margin-bottom: 30px;
}
.bb3nr li h3{
    margin-top: 17px;
    padding-bottom: 12px;
}
.bb3btz h3{
    font-size: 30px;
}

.bb4hd{width: 100%;}
.bb4hd li{float: left; margin-left: 2%;}
.bb4bd{width: 100%;}
.bb4bd .tt li{width: 100%;     margin-top: 35px; margin-left: 0%;}
.bb4bd .tt ul{    background: none;}
.bb4bd .tt li .bb4an{display: none;}
}




.bbbt3{
    text-align: center;
}
.bbbt3 h2{
    font-size: 16px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 13px;
    letter-spacing: 0px;
    color: #0d7550;
}
.bbbt3 h3{
    font-size: 36px;
    font-weight: bold;
    font-stretch: normal;
    line-height: 39px;
    letter-spacing: 0px;
    color: #3b3c44;
    margin-top: 17px;
}
.bbbt3 h4{
    font-size: 18px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 20px;
    letter-spacing: 0px;
    color: #0d7550;
    margin-top: 28px;
}


.fazhan .fazhan_box .top .box .img{overflow: hidden;}
.fazhan .fazhan_box .top .box .img img{ transition: all ease-in-out 0.3s;}
.fazhan .fazhan_box .top .box .img:hover img{
     transform: scale(1.1);     transition: all ease-in-out 0.3s;
}

@media (max-width: 1600px) {
    .fazhan .fazhan_box .top .box .text{
            padding-top: 1vw;
    }
}

@media (max-width: 1300px) {

    .fazhan .fazhan_box .top .box .text .bt{
            font-size: 22px;
    line-height: 18px;
    }
}




@media (max-width: 992px) {
    .bbbt3 h3{font-size: 28px;    line-height: 26px; margin-top: 10px;}
    .bbbt3 h4{
        font-size: 16px;
        margin-top: 16px;
    }

    .fazhan .fazhan_box .top .box .img img{width: 100%;}
    .fazhan .fazhan_box .top .box .text{margin-top: 20px;}
}








.w1550{max-width: 1550px; margin: 0 auto; }

@media (max-width: 1550px) {
    .w1550{padding: 0 2%; }
}






.bbd{
     background: url(img/5e423434427d89bbf9a610c482502f9b2f58e9aa.png) no-repeat #fff;
     background-size: cover;
}

.bb5x{
    background: url(img/727007b9fea6f6ee6a4bea32309d01a27babdb5c.png) no-repeat;
    padding-top: 52px;
    padding-bottom: 40px;
}
.bb5nr{}
.bb5nr .bb5z{
    float: left;
}
.bb5nr .bb5z h2{
    font-size: 30px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 30px;
    letter-spacing: 0px;
    color: #ffffff;
}
.bb5nr .bb5z h3{
    width: 144px;
    height: 41px;
    background-color: #ffffff;
    font-size: 14px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 40px;
    letter-spacing: 0px;
    color: #0d7550;
    text-align: center;
    margin-top: 27px;
}

.bb5y{
    width: 47%;
    float: right;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-top: 15px;
}
.bb5y li{

    text-align: center;
    width: 20%;
}
.bb5y li .img{}
.bb5y li .img img{}
.bb5y li h2{
    font-size: 16px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 20px;
    letter-spacing: 3px;
    color: #ffffff;
    margin-top: 16px;
    
}
.bb5y li:hover h2{
    letter-spacing: 5px; 
}

.foot_nav{display: flex;   justify-content: space-between;  flex-wrap: wrap;    }

.bbdb{}
.bbdnr{
    padding-top: 3.5vw;
    padding-bottom: 3vw;
}
.bbdnrz{
    width: 75%;
    float: left;
}
.bbdnry{
    width: 18%;
    float: right;
}
.bbdnry h2{
    font-size: 16px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 20px;
    letter-spacing: 3px;
    color: #3b3c44;
}
.bbdnry h3{
    font-size: 14px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 36px;
    letter-spacing: 0px;
    color: #656565;
    margin-top: 24px;
}
.bbdnry h4{
    margin-top: 2vw;
}
.bbdnry h4 img{
    max-width: 100%;
}




.dbxx{
    border-top: 1px solid rgba(210, 210, 210, 0.5);
    font-size: 14px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 34px;
    letter-spacing: 0px;
    color: #656565;
    opacity: 0.7;
    padding: 15px 0 25px;
}
.dbxx a{color: #656565;}
.dbxxz{

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



@media (max-width: 1600px) {
   .bbdnrz{width: 60%;}
   .bbdnry{width: 30%;}
}

@media (max-width: 992px) {
   .bbdnrz{display: none;}
   .bbdnry{width: 100%;}
   .bb5x{
    padding-top: 13px;
    padding-bottom: 15px;
}

.bb5nr .bb5z h2{
    font-size: 19px;
}
.bb5nr .bb5z h3{
    width: 112px;
    height: 33px;
    line-height: 33px;
    margin-top: 10px;
}
.bb5y{
    width: 100%;
    margin-top: 21px;
}
.bb5y li{
    width: 33%;
}
.bb5y li h2{
    margin-top: 9px;
    font-size: 14px;
}


.dbxx{
    line-height: 22px;
    padding-bottom: 60px;
}

.dbxxy{
    float: left;
}


}











/* nei_cate */
.nei_cate{
  position: relative;
  padding: 30px 0;
}
.nei_menu{
   /* display: flex;
   justify-content: space-between;
   align-items: center; */
}

.xypg_aa{position: relative;}
.xypg_aa h3{font-size: 24px;color: #999;line-height: 30px;font-weight: bold;position: relative;z-index: 9;font-family: 'Arial';}
.xypg_aa h3 span{font-size: 24px;color: #333;font-family: 'Microsoft Yahei';}
.xypg_aa h3 span::before{content: "|";padding: 0 10px 0 8px;font-weight: normal;}

.xypg_bb{
    text-align: center;
    margin-top: 2%;
}


.xypg_bb .xypg-left-nav > li {
  display: inline-block;
  position: relative;
  margin: 0 5px;
}

@media (min-width: 990px) {
  .xypg_bb .xypg-left-nav > li:hover .first-nav-btn {
    transform:rotate(90deg);
    -ms-transform:rotate(90deg);   /* IE 9 */
    -moz-transform:rotate(90deg);  /* Firefox */
    -webkit-transform:rotate(90deg); /* Safari ??? Chrome */
    -o-transform:rotate(90deg); 
    top: 6px;
  }
}

.xypg_bb .xypg-left-nav > li > a {
    display: block;
    font-size: 16px;
    line-height: 22px;
    color: #2e2e2e;
    padding: 15px 30px;
    background: #eeeeee;
    border-radius: 5px;
}
.xypg_bb .xypg-left-nav > li:hover > a{
    color: #fff;
    background-color: #0d7550;
}



.xypg_bb .xypg-left-nav > li .first-nav-btn {
  position: absolute;
  z-index: 99;
  width: 30px;
  height: 30px;
  text-align: center;
  top: 4px;
  right: 0;
  cursor: pointer;
  background: url(img/6087244658be02b527ab99af738710fdbfa4b070.png) 0 -240px no-repeat;
  -webkit-transition: all .5s ease;
  transition: all .5s ease;
  display: none;
}

.xypg_bb .xypg-left-nav .xypg-left-subnav {
  display: none;
  padding: 10px 0;
  position: absolute;
  top: 40px;
  left: 0;
  background: #fff;
  width: 100%;
  z-index: 9;
  box-shadow: 0px 0px 10px 2px rgb(0 0 0 / 10%);
}

.xypg_bb .xypg-left-nav .xypg-left-subnav > li {
  border: none;
} 

.xypg_bb .xypg-left-nav .xypg-left-subnav > li > a {
  padding: 8px;
  display: block;
  line-height: 20px;
  color: #818181;
  font-size: 14px;
  text-align: center;
}

@media (min-width: 990px) {
  .xypg_bb .xypg-left-nav > li:hover .xypg-left-subnav {
    display: block;
  }
}

.xypg_bb .xypg-left-nav .xypg-left-subnav > li a:hover {
  background: #0d213a;
  color: #fff;
}

.xypg_bb .xypg-left-nav .xypg-left-subnav > li:hover .xypg-left-threenav {
  display: block;
}










/*????????????*/
.foot{background:#333;}
.f_nav{width:826px;margin-top:40px;}
.f_nav dl{float:left;width:136px;height:186px;overflow:hidden;}
.f_nav dt{margin-bottom:8px;font-size:19px;color:#333;font-weight:normal;}

.f_nav dd a{font-size:12px;color:#333;line-height:20px;}
.copyright{text-align:center;line-height:24px;}

/*??????????????????*/

.page-product-inquiry a{color: #fff;}