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;}
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: #c3c900;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: 1600px){
    html, body{font-size: 16px;}
}
@media (min-width: 991px) and (max-width: 1599px){
    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: 14px;}
    .sweet_pc{display: none;}
}
@media (min-width: 768px){
    .sweet_wap{display: none;}
}
@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;}



.navbar{padding:0px;}
.navbar-brand{font-size: 14px;}
.navbar-toggler{background: url(../images/menu.png) center center no-repeat; background-size: 100%;}
.navbar-nav .nav-item{position: relative;}
.navbar-nav .nav-item .nav-link{padding:0px; line-height: 50px; position: relative; padding-left: 25px;}
.navbar-nav .nav-item .nav-link:before{content: ""; display: inline-table; width: 14px; height:14px; background: url(../images/nav_03.png) center center no-repeat; position: absolute; left: 0px; top: 50%; transform: translate(0,-50%); display: none;}
.navbar-nav .nav-item.active .nav-link,.navbar-nav .nav-item:hover .nav-link{color: #c3c900;}
.navbar-nav .nav-item.active .nav-link:before,.navbar-nav .nav-item:hover .nav-link:before{display: block;}

.navbar-nav .nav-item span{padding: 10px 0px; border:2px rgba(255,255,255,0) solid;}
.dropdown-menu{text-align: center; line-height: 2; background:#fff; padding: 0px; border:0px #fff solid;}
.dropdown-menu a{border-bottom: 1px #eee solid; display: block; padding: 5px 0px;}

.main_nav{background: #fff; border-bottom: 1px #dcdcdc solid;}





@media (min-width: 1600px){
    .header_height{height:100px;}
    .navbar-brand img{height: 91px;}
    .main_nav .navbar-brand img{height: 63px;}
    .navbar-brand{font-size: 40px;}
    .navbar-nav{margin-left: 160px; font-size: 18px;}
    .navbar-nav .nav-item{padding: 25px 12px;}
}
@media (min-width: 1300px) and (max-width: 1599px){
    .header_height{height:86px;}
    .navbar-brand img{height: 70px;}
    .main_nav .navbar-brand img{height: 58px;}
    .navbar-brand{font-size: 34px;}
    .navbar-nav{margin-left: 120px; font-size: 16px;}
    .navbar-nav .nav-item{padding: 18px 10px;}
}
@media (min-width: 992px) and (max-width: 1299px){
    .header_height{height:80px;}
    .navbar-brand img{height: 55px;}
    .main_nav .navbar-brand img{height: 50px;}
    .navbar-brand{font-size: 30px;}
    .navbar-nav{margin-left: 80px;}
    .navbar-nav .nav-item{padding: 15px 4px;}
}
@media (min-width: 768px) and (max-width: 991px){
    .header_height{height:66px;}
    .navbar-brand img{height: 55px;}
    .main_nav .navbar-brand img{height: 45px;}
    .navbar-brand{font-size: 24px;}
    .navbar-nav{margin-left: 60px;}
    .navbar-nav .nav-item{padding: 8px 3px;}
}
@media (max-width: 767px){
    .pc_nav{display: none;}
    .header_height{height:50px;}
    .navbar-expand-lg>.container{padding:0px 2%;}
    .navbar-brand img{height: 40px;}
    .navbar-collapse{background: rgba(255,255,255,1); padding: 2em 4%; position: fixed; left: 0px; top: 50px; width: 100%;}
    .navbar-nav .nav-item a{border-bottom: 1px #eee solid; }
    .navbar-nav .nav-item span{display: inline-table; width: 24px;height: 20px; background: url(../images/jia.png) center center no-repeat; background-size: 100% 100%;   position: absolute;  right: 2%; top: 22px; transform: translate(0,-50%);}
    .navbar-toggler{padding: 0.25rem 0.25rem;}
}
@media (min-width: 768px){
    .navbar-nav .nav-item span{display: none;}
    .dropdown-menu{left: 50%; transform: translate(-50%,0); box-shadow: 0px 0px 5px #eee;}
    .navbar-nav .nav-item:hover .dropdown-menu{display: block;}
}


.banner{position: relative;}
.banner .banimg{width: 100%; height:100%; object-fit: cover;}

.banner .swiper-button-next:after,.banner .swiper-button-prev:after,.wap_banner .swiper-button-next:after,.wap_banner .swiper-button-prev:after{color: #c3c900;}


.banner .ban_logo{position: absolute;  left:0px; width: 100%; z-index: 99;}


.banner .mySwiper2,.banner .swiper-wrapper{height:100%;}
.banner .swiper-slide{position: relative; height:100%;}
.banner .swiper-slide .ban_word{position: absolute; left: 0px; transform: translate(0,-50%); width: 100%; color: #fff; line-height: 1.4;}




.mySwiperbig .swiper-slide{background: #fff;}
.mySwiperbig .swiper-slide .icon1{height:24px;}
.mySwiperbig .swiper-slide .icon1 img{display: block;}
.mySwiperbig .swiper-slide .title{margin-top: 5px;}
.mySwiperbig .swiper-slide .desc{display: -webkit-box;-webkit-box-orient: vertical;-webkit-line-clamp: 1;overflow: hidden; display: none; margin-top: 5px;}
.mySwiperbig .swiper-slide .more{width: 40px; height:40px; background: url(../images/banner_15.png) center center no-repeat #c3c900; border-radius: 50%; margin-top: 10px;}

.mySwiperbig .swiper-slide.swiper-slide-thumb-active{background: #c3c900; color: #fff;}
.mySwiperbig .swiper-slide.swiper-slide-thumb-active .icon1{display: none;}
.mySwiperbig .swiper-slide.swiper-slide-thumb-active .title{margin-top: 0px;}
.mySwiperbig .swiper-slide.swiper-slide-thumb-active .desc{display: -webkit-box;}
.mySwiperbig .swiper-slide.swiper-slide-thumb-active .more{width: 40px; height:40px; background: url(../images/banner_17.png) center center no-repeat #fff; border-radius: 50%;}
@media (min-width: 1600px){
    .banner{height:700px;}
    .banner .swiper-slide .ban_word{font-size: 44px;}
    .mySwiperbig .swiper-slide .title{font-size: 20px;}
    .mySwiperbig .swiper-slide.swiper-slide-thumb-active{width: 400px;}
}
@media (min-width: 1300px) and (max-width: 1599px){
    .banner{height:600px;}
    .banner .swiper-slide .ban_word{font-size: 36px;}
    .mySwiperbig .swiper-slide .title{font-size: 18px;}
    .mySwiperbig .swiper-slide.swiper-slide-thumb-active{width: 360px;}
}
@media (min-width: 992px) and (max-width: 1299px){
    .banner{height:520px;}
    .banner .swiper-slide .ban_word{font-size: 30px;}
    .mySwiperbig .swiper-slide .title{font-size: 16px;}
    .mySwiperbig .swiper-slide.swiper-slide-thumb-active{width: 300px;}
}
@media (min-width: 768px) and (max-width: 991px){
    .banner{height:520px;}
    .banner .swiper-slide .ban_word{font-size: 24px;}
    .mySwiperbig .swiper-slide .title{font-size: 15px;}
    .mySwiperbig .swiper-slide.swiper-slide-thumb-active{width: 260px;}
}
@media (max-width: 767px){
    .banner{ padding-top: 50px;}
    .banner .mySwiper2{height:20em;}
    .banner .ban_logo{top: 0px;}
    .banner .swiper-slide .ban_word{font-size: 1.6em; top: 50%; text-align: center;}
    .mySwiperbig{margin: 1em 0px;}
    .mySwiperbig .container{padding: 0px 0px;}
    .mySwiperbig .swiper-slide{background: #f7f7f7; padding: 10px 2%;}
}

@media (min-width: 768px){
    .banner .ban_logo{top: 6%;}
    .banner .navbar-expand-lg .navbar-collapse{display: none!important;}
    .banner .swiper-slide .ban_word{top: 40%;}
    .banner .mySwiperbig{position: absolute; left: 0px; bottom: 5%; width: 100%;}
    .mySwiperbig .swiper-slide{width: 150px; padding: 10px 1%;}
}












@media (min-width: 1600px){
    .padding_tb{padding:70px 0px;}
    .padding_t{padding-top:70px;}
    .padding_b{padding-bottom:70px;}
}
@media (min-width: 1300px) and (max-width: 1599px){
    .padding_tb{padding:60px 0px;}
    .padding_t{padding-top:60px;}
    .padding_b{padding-bottom:60px;}
}
@media (min-width: 992px) and (max-width: 1299px){
    .padding_tb{padding:50px 0px;}
    .padding_t{padding-top:50px;}
    .padding_b{padding-bottom:50px;}
}
@media (min-width: 768px) and (max-width: 991px){
    .padding_tb{padding:40px 0px;}
    .padding_t{padding-top:40px;}
    .padding_b{padding-bottom:40px;}
}
@media (max-width: 767px){
    .padding_tb{padding:2em 0px;}
    .padding_t{padding-top:2em;}
    .padding_b{padding-bottom:2em;}
}
@media (min-width: 768px){
    
}




.footer{background: #fbfbfb; line-height: 2;}


.footopul li{float: left;}
.footopul .flogo{text-align:right;}
.footopul .flogo img{max-width: 85%;}
.footopul li h3{line-height: 2;}



.footbot{border-top: 1px #dcdcdc solid; text-align:center;}

@media (min-width: 1600px){
    .footopul li{height:220px;}
    .footopul .fnav{width: 13%;}
    .footopul .flogo{width: 32%;}
    .footopul:after{right: 32%;}
    .footopul li h3{font-size: 18px; margin-bottom: 10px;}

    .footbot{padding:12px 0px;}
}
@media (min-width: 1300px) and (max-width: 1599px){
    .footopul li{height:200px;}
    .footopul .fnav{width: 13%;}
    .footopul .flogo{width: 32%;}
    .footopul:after{right: 32%;}
    .footopul li h3{font-size: 17px; margin-bottom: 9px;}

    .footbot{padding:10px 0px;}
}
@media (min-width: 992px) and (max-width: 1299px){
    .footopul li{height:180px;}
    .footopul .fnav{width: 13%;}
    .footopul .flogo{width: 32%;}
    .footopul:after{right: 32%;}
    .footopul li h3{font-size: 16px; margin-bottom: 8px;}

    .footbot{padding:8px 0px;}
}
@media (min-width: 768px) and (max-width: 991px){
    .footopul li{height:150px;}
    .footopul .fnav{width: 13%;}
    .footopul .flogo{width: 32%;}
    .footopul:after{right: 32%;}
    .footopul li h3{font-size: 16px; margin-bottom: 8px;}

    .footbot{padding:6px 0px;}
}
@media (max-width: 767px){
    .footopul li{}
    .footopul .fnav{width: 19%;}
    .footopul .fnav:nth-child(1){width: 24%;}
    .footopul .flogo{display: none;}
    .footopul li h3{font-size: 16px; margin-bottom: 8px;}

    .footbot{padding:8px 0px;}
}
@media (min-width: 768px){
    .footopul{position: relative;}
    .footopul:after{content: ""; display: inline-table; width: 1px; height:100%; background: #dcdcdc; position: absolute; right: 32%; top: 0px;}
    
    .footopul .flogo{float: right;}
}