body, h1, h2, h3, h4, h5, h6, p, blockquote, dl, dt, dd, ul, ol, li, form, fieldset, legend, button, input, textarea, th, td {
    margin: 0;padding: 0;}
html {overflow-y: scroll;overflow-x: hidden;}
html, body {font-size: 16px;color: #333;font-family: "SourceHanSansCN",arial,"Microsoft Yahei","Helvetica Neue",Helvetica,Arial,sans-serif; text-align:justify;}
a {color: #333;text-decoration: none;transition: all 0.5s; -moz-transition: all 0.5s; -webkit-transition: all 0.5s; -o-transition: all 0.5s;}
a:hover {color: #10387d;text-decoration: none;}
img {border: 0 none; max-width: 100%;}
ol, ul, li {list-style: none;}
div, ul, li {margin: 0px;padding: 0px;list-style-type: none;}
input[type="submit"], input[type="reset"] {cursor: pointer;}
textarea{font-family: "SourceHanSansCN",arial,"Microsoft Yahei","Helvetica Neue",Helvetica,Arial,sans-serif;}
.clear {clear: both;}
.fl {float: left;}
.fr {float: right;}
.ov {overflow: hidden;}
input, textarea, select {outline: none;}
i,em{font-style: normal;}
h1,h2,h3,h4,b{font-weight: normal;}

@media (min-width: 1921px){
    html, body{font-size: 18px;}
}
@media (min-width: 1600px) and (max-width: 1920px){
    html, body{font-size: 17px;}
}
@media (min-width: 1300px) and (max-width: 1599px){
	html, body{font-size: 16px;}
}
@media (min-width: 992px) and (max-width: 1299px){
    html, body{font-size: 15px;}
}
@media (min-width: 768px) and (max-width: 991px){
    html, body{font-size: 14px;}
}
@media (max-width: 767px){
    html, body{font-size: 15px;}
}
@font-face{
    font-family: 'SourceHanSansCN'; 
    src:url('../fonts/SourceHanSansCN.eot');
    src:url('../fonts/SourceHanSansCN.woff') format('woff'),
        url('../fonts/SourceHanSansCN.ttf') format('truetype'),
        url('../fonts/SourceHanSansCN.svg') format('svg');
}





.middle{display: table-cell; vertical-align: middle; width: 1000px;}

.nav_top{background: #e2e2e2; text-align:right; font-size: 14px; line-height: 32px;}
.navbar{background: #fff;  padding:0px; color: #000;}
.navbar a{ color: #000;}
.navbar-brand{font-size: 14px; margin:0px;}
.navbar-toggler{background: url(../images/menu.png) center center no-repeat; background-size: 100%;}
.navbar-nav{padding: 0px;}
.dropdown-menu{left: 50%;   text-align: center; line-height: 2; background:#fff; border:0px #fff solid; border-top:2px #142e59 solid; padding: 0px;}
.dropdown-menu a{border-bottom: 1px #eee solid; display: block; padding: 5px 0px;}

.nav_mobile{padding-left: 25px; background: url(../images/shouye_09.png) center left no-repeat;margin-right: 15px;}
.nav_search{width: 24px; height: 30px; background: url(../images/shouye_06.png) center center no-repeat; background-size: 100%;}

@media (min-width: 1921px){
    .header_height{height: 140px;}
    .navbar .container,.nav_top .container{width: 100%; padding: 0px 4%; max-width: 1800px;}
    .navbar-brand img{height: 48px;}
    .navbar-expand-lg .navbar-nav .nav-link{padding:0px 20px; line-height: 108px;}
}
@media (min-width: 1600px) and (max-width: 1920px){
    .header_height{height: 130px;}
    .navbar-brand img{height: 44px;}
    .navbar-expand-lg .navbar-nav .nav-link{padding:0px 15px; line-height: 98px;}
    .nav_search{width: 22px;}
}
@media (min-width: 1300px) and (max-width: 1599px){
    .header_height{height: 118px;}
    .navbar-brand img{height: 40px;}
    .navbar-expand-lg .navbar-nav .nav-link{padding:0px 10px; line-height: 88px;}
    .nav_search{width: 20px;}
}
@media (min-width: 992px) and (max-width: 1299px){
    .header_height{height: 109px;}
    .navbar-brand img{height: 36px;}
    .navbar-expand-lg .navbar-nav .nav-link{padding:0px 8px;  line-height: 78px;}
    .nav_mobile{margin-right: 0px;}
    .nav_search{display: none;}
}
@media (min-width: 992px){
    .navbar-brand{width: 16%;}
    .navbar-nav{width: 68%;}
    .nav_right{width: 16%;}
    .nav_wap{display: none;}
}
@media (max-width: 991px){
    .navbar .container{padding: 4px 4%;}
    .header_height{height: 81px;}
    .navbar-brand img{height: 32px;}
    .navbar-collapse{background: rgba(255,255,255,1); padding: 2em 4%; position: fixed; left: 0px; top: 90px; width: 100%;}
    .navbar-nav .nav-item a{border-bottom: 1px #eee solid; padding: 0px; line-height: 2.4em;}
    .navbar-nav .dropdown span{display: inline-table; content: ""; width: 1.2em; height: 1.2em; background: url(../images/jia.png) center center no-repeat; background-size: 100% 100%; position: absolute; right: 2%; top: 0.6em;}
    .navbar-nav .nav-item.act span{background: url(../images/jian.png) center center no-repeat; background-size: 100% 100%;}
    .navbar-toggler{padding: 0.25rem 0.25rem;}
    .nav_mobile{line-height: 2;}
    .nav_pc{display: none;}

}
@media (max-width: 991px){
    
}
@media (min-width: 992px){
    .navbar-nav a{}
    .dropdown-menu{left: 50%; transform: translate(-50%,0); top:100%;}
    .navbar-nav .nav-item:hover .dropdown-menu{display: block;}

}



.search_bg{background: rgba(0,0,0,0.8); position: fixed; top: 0px; left: 0px; width: 100%; height: 100%; z-index: 999999; display: none;}
.search_alert{background: #fff; position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%);}
.search_alert input{float: left;}
.search_alert input.txt{background: none; border:0px #eee solid; text-indent: 10px; }
.search_alert .sub{text-align: center; background:url(../images/navfff_06.png) center center no-repeat #10387d; border:1px #10387d solid; color: #fff; text-indent: -999px; border-radius: 0px; width: 80px;}
.search_bg a.close{position: absolute; right: 5%; top: 5%;  display: inline-table; background: url(../images/close.png) center center no-repeat; background-size: 100%; }


@media (min-width: 1500px){
    .search_alert{width: 600px;}
    .search_alert input,.search_alert .sub{height: 75px;font-size: 20px;}
    .search_bg a.close{width: 50px; height: 50px;}
}
@media (min-width: 1300px) and (max-width: 1599px){
    .search_alert{width: 500px;}
    .search_alert input,.search_alert .sub{height: 70px;font-size: 18px;}
    .search_bg a.close{width: 50px; height: 50px;}
}
@media (min-width: 992px) and (max-width: 1299px){
    .search_alert{width: 400px;}
    .search_alert input,.search_alert .sub{height: 70px;font-size: 16px;}
    .search_bg a.close{width: 50px; height: 50px;}
}
@media (min-width: 768px) and (max-width: 991px){
    .search_alert{width: 300px;}
    .search_alert input,.search_alert .sub{height: 70px;font-size: 15px;}
    .search_bg a.close{width: 50px; height: 50px;}
}
@media (max-width: 768px){
    .search_alert{width: 80%;}
    .search_alert input,.search_alert .sub{height: 50px;font-size: 1.1em;}
    .search_bg a.close{width: 50px; height: 50px;}
}




.footer{background: url(../images/shouye_07.jpg) center center no-repeat; color: #fff; background-size: cover;}
.footer a{color: #fff;}





.foot_top .middle{width: auto;}

.foot_topul li{float: left;line-height: 2;}

.foot_topul li span{display: block;}
.foot_topul li.dianhua span{background: url(../images/shouye_71.png) center left no-repeat; background-size: auto 100%;}
.foot_topul li.dizhi span{background: url(../images/shouye_73.png) center left no-repeat; background-size: 9%;}
.foot_topul li.youxiang span{background: url(../images/shouye_76.png) center left no-repeat; background-size: auto 100%;}


.foot_erweima{position:relative;}
.foot_erweima li{float: left; cursor: pointer;}
.foot_erweima li .erweima{position:absolute; left: 0px; top:0px; background: #fff; padding: 15px; border-radius: 10px; display: none;}
.foot_erweima li .erweima img{width: 100%;}
.foot_erweima li .erweima:after{position:absolute; bottom: 0px; transform: translate(0,100%); content:""; display: inline-table;width: 20px; height: 9px; background: url(../images/shouye_85.png) center center no-repeat;}


.foot_erweima li .img{background: url(../images/shouye_91.png) center center no-repeat; background-size: cover;}
.foot_erweima li.active .erweima{display: block;}
.foot_erweima li.active .img{background: url(../images/shouye_89.png) center center no-repeat; background-size: cover;}



.foot_c_select select{font-size: 14px; border:1px rgba(255,255,255,0.5) solid;}

.foot_centerul{}
.foot_centerul li{float: left;}
.foot_centerul li:nth-child(4),.foot_centerul li:nth-child(6),.foot_centerul li:nth-child(7){display: none;}
.foot_centerul li h3{line-height: 1; font-size: 16px;}
.foot_centerul .link{line-height: 2; font-size: 14px;}
.foot_centerul .link a{display: block; color: rgba(255,255,255,0.6);}





.foot_center{border-top: 1px #4481c4 solid;}

.foot_bot{border-top: 1px #4481c4 solid; font-size: 14px;}
.foot_bot,.foot_bot a{color: rgba(255,255,255,0.6)}


@media (min-width: 1921px){
    .foot_toplogo{width: 300px;}
    .foot_toplogo img{height: 75px;}
    .foot_topul{max-width: 1300px;}
    .foot_topul li{margin-left: 80px;}
    .foot_top .middle{height: 88px;}
    .foot_topul li span{padding-left: 40px;}

    .foot_erweima{margin-bottom: 35px; padding-top: 180px;}
    .foot_erweima li{margin-right: 20px;}
    .foot_erweima .erweima{width: 160px; height: 160px;}
    .foot_erweima li:nth-child(1) .erweima:after{left: 10px;}
    .foot_erweima li:nth-child(2) .erweima:after{left: 70px;}
    .foot_erweima li .img{width: 40px; height: 40px; }

    .foot_c_select select{width: 250px; height: 40px;}
    
    .foot_centerul li{margin-left: 100px;}
    .foot_centerul h3{}
    .foot_centerul .link{margin-top: 20px;}
    
    .foot_bot{line-height: 80px;}
}
@media (min-width: 1600px) and (max-width: 1920px){
    .foot_toplogo{width: 260px;}
    .foot_toplogo img{height: 65px;}
    .foot_topul{max-width: 1140px;}
    .foot_topul li{margin-left: 70px;}
    .foot_top .middle{height: 80px;}
    .foot_topul li span{padding-left: 38px;}

    .foot_erweima{margin-bottom: 30px; padding-top: 180px;}
    .foot_erweima li{margin-right: 20px;}
    .foot_erweima .erweima{width: 160px; height: 160px;}
    .foot_erweima li:nth-child(1) .erweima:after{left: 10px;}
    .foot_erweima li:nth-child(2) .erweima:after{left: 70px;}
    .foot_erweima li .img{width: 40px; height: 40px; }

    .foot_c_select select{width: 250px; height: 40px;}
    
    .foot_centerul li{margin-left: 90px;}
    .foot_centerul h3{}
    .foot_centerul .link{margin-top: 20px;}

    .foot_bot{line-height: 70px;}
}
@media (min-width: 1300px) and (max-width: 1599px){
    .foot_toplogo{width: 220px;}
    .foot_toplogo img{height: 55px;}
    .foot_topul{max-width: 920px;}
    .foot_topul li{margin-left: 40px;}
    .foot_top .middle{height: 70px;}
    .foot_topul li span{padding-left: 38px;}

    .foot_erweima{margin-bottom: 30px; padding-top: 170px;}
    .foot_erweima li{margin-right: 20px;}
    .foot_erweima .erweima{width: 150px; height: 150px;}
    .foot_erweima li:nth-child(1) .erweima:after{left: 10px;}
    .foot_erweima li:nth-child(2) .erweima:after{left: 70px;}
    .foot_erweima li .img{width: 40px; height: 40px; }

    .foot_c_select select{width: 220px; height: 40px;}
    
    .foot_centerul li{margin-left: 80px;}
    .foot_centerul h3{}
    .foot_centerul .link{margin-top: 20px;}

    .foot_bot{line-height: 60px;}
}
@media (min-width: 992px) and (max-width: 1299px){
    .foot_toplogo img{height: 48px;}
    .foot_topul li{margin-left: 12px;}
    .foot_top .middle{height: 60px;}
    .foot_topul li span{padding-left: 38px;}

    .foot_erweima{margin-bottom: 25px; padding-top: 170px;}
    .foot_erweima li{margin-right: 20px;}
    .foot_erweima .erweima{width: 150px; height: 150px;}
    .foot_erweima li:nth-child(1) .erweima:after{left: 10px;}
    .foot_erweima li:nth-child(2) .erweima:after{left: 70px;}
    .foot_erweima li .img{width: 40px; height: 40px; }

    .foot_c_select select{width: 200px; height: 40px;}
    
    .foot_centerul li{margin-left: 60px;}
    .foot_centerul h3{}
    .foot_centerul .link{margin-top: 20px;}
    
    .foot_bot{line-height: 50px;}
}
@media (min-width: 768px) and (max-width: 991px){
    .foot_toplogo{display: none;}
    .foot_topul{width: 100%;}
    .foot_topul li{margin-left: 30px;}
    .foot_top .middle{height: 60px;}
    .foot_topul li span{padding-left: 38px;}

    .foot_erweima{margin-bottom: 20px; padding-top: 170px;}
    .foot_erweima li{margin-right: 20px;}
    .foot_erweima .erweima{width: 150px; height: 150px;}
    .foot_erweima li:nth-child(1) .erweima:after{left: 10px;}
    .foot_erweima li:nth-child(2) .erweima:after{left: 70px;}
    .foot_erweima li .img{width: 40px; height: 40px; }

    .foot_c_select select{width: 160px; height: 40px;}
    
    .foot_centerul li{margin-left: 30px;}
    .foot_centerul h3{}
    .foot_centerul .link{margin-top: 20px;}
    
    .foot_bot{line-height: 50px;}
}
@media (max-width: 767px) {
    .foot_toplogo{display: none;}
    .foot_topul{width: 100%;}
    .foot_topul li{margin:8px 0px;}
    .foot_topul li span{padding-left: 38px;}

    .foot_erweima{margin-bottom: 20px; padding-top: 170px;}
    .foot_erweima li{margin-right: 20px;}
    .foot_erweima .erweima{width: 150px; height: 150px;}
    .foot_erweima li:nth-child(1) .erweima:after{left: 10px;}
    .foot_erweima li:nth-child(2) .erweima:after{left: 70px;}
    .foot_erweima li .img{width: 40px; height: 40px; }

    .foot_c_select select{width: 160px; height: 40px;}

    .foot_center{display: none;}
    .foot_centerul li{margin-left: 30px; margin-top: 1.5em;}
    .foot_centerul h3{}
    .foot_centerul .link{margin-top: 20px;}
    
    .foot_bot{line-height: 2; padding: 0.6em 2%; text-align: center;}
}
@media (min-width: 768px){
    .foot_toplogo{float: left;}
    .foot_topul{float: right;}
    .foot_centerleft{float: left;}
    .foot_centerul{float: right;}
    .foot_bot .left{float: left;}
    .foot_bot .right{float: right;}
}








@media (min-width: 1921px){
    .margin_tb{margin: 70px 0px;}
    .margin_t{margin-top: 70px;}
    .margin_b{margin-bottom: 70px;}

    .padding_tb{padding: 70px 0px;}
    .padding_t{padding-top: 70px;}
    .padding_b{padding-bottom: 70px;}

    .margin_stb{margin: 40px 0px;}
    .margin_st{margin-top: 40px;}
    .margin_sb{margin-bottom: 40px;}

    .padding_stb{padding: 40px 0px;}
    .padding_st{padding-top: 40px;}
    .padding_sb{padding-bottom: 40px;}
}
@media (min-width: 1600px) and (max-width: 1920px){
    .margin_tb{margin: 60px 0px;}
    .margin_t{margin-top: 60px;}
    .margin_b{margin-bottom: 60px;}

    .padding_tb{padding: 60px 0px;}
    .padding_t{padding-top: 60px;}
    .padding_b{padding-bottom: 60px;}

    .margin_stb{margin: 35px 0px;}
    .margin_st{margin-top: 35px;}
    .margin_sb{margin-bottom: 35px;}

    .padding_stb{padding: 35px 0px;}
    .padding_st{padding-top: 35px;}
    .padding_sb{padding-bottom: 35px;}
}
@media (min-width: 1300px) and (max-width: 1599px){
    .margin_tb{margin: 50px 0px;}
    .margin_t{margin-top: 50px;}
    .margin_b{margin-bottom: 50px;}

    .padding_tb{padding: 50px 0px;}
    .padding_t{padding-top: 50px;}
    .padding_b{padding-bottom: 50px;}

    .margin_stb{margin: 30px 0px;}
    .margin_st{margin-top: 30px;}
    .margin_sb{margin-bottom: 30px;}

    .padding_stb{padding: 30px 0px;}
    .padding_st{padding-top: 30px;}
    .padding_sb{padding-bottom: 30px;}
}
@media (min-width: 992px) and (max-width: 1299px){
    .margin_tb{margin: 40px 0px;}
    .margin_t{margin-top: 40px;}
    .margin_b{margin-bottom: 40px;}

    .padding_tb{padding: 40px 0px;}
    .padding_t{padding-top: 40px;}
    .padding_b{padding-bottom: 40px;}

    .margin_stb{margin: 25px 0px;}
    .margin_st{margin-top: 25px;}
    .margin_sb{margin-bottom: 25px;}

    .padding_stb{padding: 25px 0px;}
    .padding_st{padding-top: 25px;}
    .padding_sb{padding-bottom: 25px;}
}
@media (min-width: 768px) and (max-width: 991px){
    .margin_tb{margin: 30px 0px;}
    .margin_t{margin-top: 30px;}
    .margin_b{margin-bottom: 30px;}

    .padding_tb{padding: 30px 0px;}
    .padding_t{padding-top: 30px;}
    .padding_b{padding-bottom: 30px;}

    .margin_stb{margin: 20px 0px;}
    .margin_st{margin-top: 20px;}
    .margin_sb{margin-bottom: 20px;}

    .padding_stb{padding: 20px 0px;}
    .padding_st{padding-top: 20px;}
    .padding_sb{padding-bottom: 20px;}
}
@media (max-width: 767px) {
    .margin_tb{margin: 1.6rem 0px;}
    .margin_t{margin-top: 1.6rem;}
    .margin_b{margin-bottom: 1.6rem;}

    .padding_tb{padding: 1.6rem 0px;}
    .padding_t{padding-top: 1.6rem;}
    .padding_b{padding-bottom: 1.6rem;}

    .margin_stb{margin: 1rem 0px;}
    .margin_st{margin-top: 1rem;}
    .margin_sb{margin-bottom: 1rem;}

    .padding_stb{padding: 1rem 0px;}
    .padding_st{padding-top: 1rem;}
    .padding_sb{padding-bottom: 1rem;}
}
@media (min-width: 768px){
    
}