body{min-width: 1200px; font-family: "Microsoft Yahei",SimHei;}
.container{max-width: 1200px;}
.pro-c-nav a:hover{color: #e47c0c!important;}


.page-num, .page-link{color:#2f4052; }
.page-num-current{background: #2f4052;border-color: #2f4052;color: #fff;}


.bg-purple{background: #2f4052;}
.text-base{color: #2f4052;}
.text-warning{color: #e47c0c!important;}
.bg-orange{background: #e47c0c;}


.top-nav{border-bottom:3px solid #2f4052;position: sticky;top: 0;z-index: 9;}
.nav .nav-item{position: relative;}
.nav .nav-item.active:after{content: '';width: 55%; height: 3px;position: absolute;left: 0;right: 0;bottom: -3px;margin:auto;  background: #e47c0c;}
.nav .active a{color: #e47c0c!important;}

.nav .nav-item,.nav .nav-item a{transition: all 0.3s;}
.nav .nav-item:after{content: '';width: 0%; height: 3px;position: absolute;left: 0;right: 0;bottom: -3px;margin:auto;  background: #e47c0c;transition: all 0.3s}
.nav .nav-item:hover:after{content: '';width: 55%;}
.nav .nav-item:hover a{color: #e47c0c!important;}

.a_ico_title{position: relative;}
.a_ico_title:after{content: '';width: 27px;height: 3px;position: absolute;left: 0;right:0;bottom: 0;margin: auto;background: #000;}

.products{background: url(../images/pro_bg.jpg);background-attachment: fixed;background-position: center; background-size: cover;padding-bottom: 159px;}
.pro-line{width: 700px;height: 2px;background: #fff;position: absolute;left: 0;right: 0;top: 0;bottom: 0;margin:auto;z-index: 0;}
.pro-subtitle{position: relative;z-index: 2;}
.pro-subtitle:before,
.pro-subtitle:after{content: '';position: absolute;width: 0;height: 0;border:17.5px solid transparent;top: 0;bottom: 0;margin: auto;}
.pro-subtitle:before{left: -35px;border-right-color: #fff;}
.pro-subtitle:after{right: -35px;border-left-color: #fff;}

.centerbanner{margin-top: -103px;}

.adv-t-ico{font-size: 32px; color: #fff; background: #2f4052; border-radius: 11px;position: relative;}
.adv-t-ico:after{content: '';width: 0;height: 0;position: absolute;border:18px solid transparent;border-right: #2f4052;top: 0;bottom: 0;right: -36px;}
.advantages{background: #fff url(../images/adv_bg.jpg) bottom center no-repeat;}
.adv-content{position: relative;padding-bottom: 89px; padding-top: 65px;}
.adv_list1{position: absolute;top: 123px;left: 80px;}
.adv_list2{position: absolute;top: 123px;right: 80px;}
.adv_list3{position: absolute;top: 400px;left: 60px;}
.adv_list4{position: absolute;top: 400px;right: 60px;}

.centerbanner1{background: url(../images/center.jpg) center center no-repeat;height: 270px;}

.company{background: url(../images/com_bg.jpg) top center no-repeat;position: relative;}
.company:after{content: '';width: 0;height: 0;position: absolute;left: 0;right: 0;margin: auto; border:26px solid transparent;border-top-color: #2b3c4f;bottom: -52px;z-index: 4;}

.case{background: url(../images/case_bg.jpg) top center no-repeat;position: relative;}
.news-t-l span{position: relative;}
.news-t-l span:before{content: '';height: 100%;width: 2px;background: #fff;position: absolute;left: 9px;top: 0;}
.news-t-l span:after{content: '';height: 0;width: 0;background: #fff;position: absolute;border:20px solid #2f4052;border-right-color: #fff;top: 0;right: -20px;}


.top_p_nav{position: relative;}
.top_p_nav:after{content: '';position: absolute;width: 0%;height: 2px;background: #2f4052;left: 0;right: 0;bottom: -12px;margin: auto;transition: all 0.3s;}
.p_on,.top_p_nav:hover{color: #2f4052;}
.p_on.top_p_nav:after,.top_p_nav:hover:after{width: 70%;}

.c-l-on{position: relative;background: #e47c0c;cursor: pointer;}
.c-l-on:after{content: '';position: absolute;width: 0;height: 0;border:15px solid transparent;border-top-color: #e47c0c; left: 0;right: 0;bottom: -30px;margin: auto;}


.center-title{position: absolute;top: 110px;left: 0;right: 0;margin: auto;}
.c-t-btn{border-radius: 9px; position: relative;letter-spacing: 2px;}
.c-t-btn:after{content: '';width: 0;height: 0;border:15px solid transparent;border-left-color: #2f4052;position: absolute;right: -28px;top: 0;bottom: 0;margin:auto; }
.adv-title,.adv-con{position: absolute;}
.adv-con{font-size: 15px;width: 420px;}

.t1{top: 300px;left: 0px;}
.st1{top: 330px;left: 0px;}
.c1{top: 378px;left: 20px;}
.c2{top: 412px;left: 14px;}
.c3{top: 448px;left: 14px;}

.t2{top: 695px;left: 638px;}
.st2{top: 725px;left: 638px;}
.c4{top: 788px;left: 658px;}
.c5{top: 821px;left: 658px;}

.t3{top: 1155px;left: 0px;}
.st3{top: 1185px;left: 0px;}
.c6{top: 1248px;left: 20px;}
.c7{top: 1282px;left: 20px;}

.t4{top: 1517px;left: 638px;}
.st4{top: 1547px;left: 638px;}
.c8{top: 1609px;left: 650px;}
.c9{top: 1643px;left: 650px;}
.c10{top: 1678px;left: 650px;}