@charset "utf-8";
/* CSS Document */
@font-face{font-weight:400;font-style:normal;font-family:fontawesome;src:url(http://:/) format("no404"),url(../font-awesome/fontawesome-webfont.woff) format("woff"),url(../font-awesome/fontawesome-webfont.ttf) format("truetype")}
@font-face{font-weight:400;font-style:normal;font-family:mob;src:url(http://:/) format("no404"),url(../font/Montserrat-Bold.woff) format("woff"),url(../font/Montserrat-Bold.ttf) format("truetype")}
@font-face{font-weight:400;font-style:normal;font-family:mol;src:url(http://:/) format("no404"),url(../font/Montserrat-Light.woff) format("woff"),url(../font/Montserrat-Light.ttf) format("truetype")}
@font-face{font-weight:400;font-style:normal;font-family:mor;src:url(http://:/) format("no404"),url(../font/Montserrat-Regular.woff) format("woff"),url(../font/Montserrat-Regular.ttf) format("truetype")}
@font-face{font-weight:400;font-style:normal;font-family:mos;src:url(http://:/) format("no404"),url(../font/Montserrat-Semibold.woff) format("woff"),url(../font/Montserrat-Semibold.ttf) format("truetype")}
/*basic*/
img,object{max-width:100%}
img{-ms-interpolation-mode:bicubic;border:0}
body{background:#fff;color:#444;font-size:15px; font-family:Arial, Helvetica, sans-serif;line-height:24px}
*,li,ol,ul{margin:0;padding:0}
li,ol,ul{float:left;list-style:none}
.clear{clear:both;margin:0;padding:0;height:0;font-size:0;line-height:0;width:0}
a{color:#165DFF;}
a:hover{color:#ff8f00}
a:focus{outline:0; text-decoration:none}
a,a:hover{text-decoration:none}
a.link{color:#ff8f00; text-decoration:underline;}
a.link:hover{color:#032e24;}
p{ margin-bottom:15px;}
p.half{ width:48%; float:left; margin-right:2%}
b{color:#333; font-size:18px;padding:8px 0 15px 0px; line-height:20px;display:inline-block; margin:10px 0; position:relative;}
b:before{ content: '';position: absolute;bottom: 0px;width: 100px;height: 2px;background: #E6E6E6;z-index:0;}
/*
b:after{content: '';width: 12px;height: 12px; border-radius: 50%;border: 2px solid #165DFF;background: #fff;position: absolute;bottom: -5px;left:0px;z-index:1;}
b span:before{content: '';width: 5px; height: 5px;background: #165DFF;border-radius: 50%;position: absolute; bottom: -2px;left: 3.5px;z-index:2;}
*/
.paddtop{ padding-top:20px;}
.fontsize{ font-size:18px; line-height:26px; color:#000; margin-top:10px;}
strong{ color:#444;}
.link a{ color:#ff8f00;  margin:10px auto 5px auto; display:inline-block; text-decoration:underline; position:relative; padding-left:25px; font-weight:700; font-size:15px;}
.link a:before{ content:"\f08e"; font-family:fontawesome; position:absolute; left:1px; top:2px;}
.link a:hover{ color:#165DFF;}
.brief,.relatednames{width:auto; margin:20px 0; color:#999;font-size:13px;line-height:20px; overflow:hidden}
h2{display:block; margin:0; padding:15px 0; font-size:24px; line-height:26px; font-weight:100; color:#000;}
.subtitle{font-size:20px;line-height:20px; font-weight:100; color:#555;}
hr{ border:none; border-bottom:1px dashed #ddd; margin:0 0 20px 0}
.bos_hometitle{ padding:15px 0;text-align:center; margin:15px 0;}
.bos_hometitle div{color: #3a3a3a;display: inline-block;font-size:30px;margin: 0;padding-bottom:18px;position: relative; font-weight:bold; line-height:32px;}
/*
.bos_hometitle div{border-bottom: 1px dashed #787876;color: #3a3a3a;display: inline-block;font-size:30px;margin: 0;padding-bottom: 22px;position: relative; font-weight:bold; line-height:32px;}
.bos_hometitle div:before {content: "";background:#165DFF;bottom: -5px;height: 10px;left: 50%;margin-left: -5px;position: absolute;width: 10px;}
*/
.bos_hometitle a{color:#ff8f00}
.bos_hometitle a:hover{color:#165DFF}

.table-responsive{ margin-bottom:20px;}
.table{margin:6px 0 0 0; font-size:14px;}
.table tr.top{ background:#f9f9f9 !important;}
.table tr.top td{padding:6px 10px !important;}
.table tr td{ vertical-align:middle !important; padding:5px 10px !important}
table,td{border:1px solid #165DFF!important}
table tr span{ text-align:center; display:block;}
.tab1 tr td:nth-child(1){width: 64%;background:#f9f9f9 !important;}
.tab2 tr td:nth-child(1){width: 50%;background:#f9f9f9 !important;}
inquiry,u.inquiry {text-decoration:none;color:#3d3d3d; display:inline-block; margin:2px 0; font-weight:100;}
u.inquiry:after{content:"Форма запроса"; background:#ff8f00; border-radius:2px; color:#fff; text-align:center; line-height:1; padding:4px 8px; font-size:12px; display:inline-block;}
u.inquiry:hover:after{ background:#165DFF}
.about{ display:block; margin:-2px auto 0 auto; padding:15px 3% 20px 3%;width:95%; height:auto; border-top:2px solid #eee; border-left:2px solid #eee; overflow:hidden;}
.about .img_left img,.about .img_right img{ border:none !important;}
#bos_top{position:fixed;right:100px;bottom:120px;z-index:999;text-align:center; display:none}
#bos_top,#bos_top a{width:40px;height:40px;line-height:46px;border-radius:50%; color:#fff; background:#165DFF;}
#bos_top a{display:block;transition:all ease-in-out .4s;-moz-transition:all ease-in-out .4s;-webkit-transition:all ease-in-out .4s;-ms-transition:all ease-in-out .4s;-o-transition:all ease-in-out .4s}
#bos_top a:hover{cursor:pointer;line-height:32px; background:#ff8f00;}
.bos_pdf a{ width:100%; display:block; float:left; padding-left:20px; margin:3px 0 15px 0; color:#ff8f00; position:relative}
.bos_pdf a:before{content:"\f1c1"; font-family:fontawesome; font-size:16px; position:absolute; left:0; top:0; color:#ff8f00;}
.bos_pdf a:hover{ color:#165DFF;}
.margintop{ margin-top:0px !important;}
/****header****/
#header{width:100%;height:auto;margin:0 auto;position: fixed; background:#f7f7f7; z-index:99;}

#headerin{width:100%; height:auto; margin:0 auto; max-width:1030px;}
.hradpadd{ padding-bottom:20px;}
#bos_logo{width:110px; height:auto; float:left; margin:23px 0 15px 2px; }
#bos_language{float:right;text-align:right;margin:0px auto;margin-top:16px; margin-bottom:10px;width: 50%; min-height:23px;}
#bos_language ul li{color:#787878;line-height:12px;padding:0 15px 0 0px;display:inline-block;}
#bos_language ul li:hover{color:#ff8f00}
.top-nav{ float:right; margin-top: 23px;}
.content{ padding:0 15px; max-width:1024px; margin:0 auto;}
.navbar,.navbar-default,.navbar-default .navbar-collapse,.navbar-header,.navbar-nav{background:0;border:0;min-height:inherit;padding:0;margin:0;width:100%}
.navbar-default .navbar-nav li{width:auto;float:none;display:inline-block;}
.navbar-default .navbar-nav>li>a{ padding:10px 12px; color:#6b6b6b; font-size:16px; font-family:mob;}
.navbar-default .navbar-nav>li>a span{position:relative; display:inline-block;}
.navbar-default .navbar-nav>li>a.dq{color:#165DFF;}
.navbar-default .navbar-nav>li>a:focus, .navbar-default .navbar-nav>li>a:hover{color:#165DFF;}
.navbar-default .navbar-nav>.open>a,.navbar-default .navbar-nav>.open>a:focus,.navbar-default .navbar-nav>.open>a:hover{ color:#165DFF; background:none;}
.navbar-default .dropdown-menu{ width:280px; left:0; padding:20px 20px 10px 20px; background:#fff}
.navbar-default .dropdown-menu>li{ margin-bottom:5px; width:100%;}
.navbar-default .dropdown-menu>li:last-child{ margin-bottom:0;}
.navbar-default .dropdown-menu>li>a{ width:100%; display:block; padding:0; white-space:normal; float:left; line-height:18px;color:#333; padding-bottom:5px;}
.navbar-default .dropdown-menu li a:hover,.navbar-default .dropdown-menu li a.dq{ background:none;  position:relative;}
.navbar-default .dropdown-menu li a:hover{color:#57aaf3 !important;}
.navbar-default .dropdown-menu li ol{ width:100%; display:block;}
.navbar-default .dropdown-menu li ol a{ font-size:13px; color:#333; line-height:16px; padding:6px 10px 6px 14px; width:100%; position:relative; display:block;}
.navbar-default .dropdown-menu li ol a:before{ content:""; position:absolute; left:2px; top:11px; width:6px; height:6px; border-radius:50%; background:#ccc;}
.navbar-default .dropdown-menu li ol a:hover:before,.navbar-default .dropdown-menu li ol a.dq:before{ background:#ee2e24;}
.navbar-default .dropdown-menus{width:auto!important;left:0!important;padding:10px 15px 5px 15px; min-width:200px;}
.navbar-default .dropdown-menus li{border:none;padding-bottom:0;margin-bottom:0}
.navbar-default .dropdown-menus li a{padding:1px 4px 1px 14px; font-weight:100; font-size:13px; margin-bottom:0;white-space:nowrap; width:100%; line-height:18px; color:#666; border:none; position:relative;}
.navbar-default .dropdown-menus li a:after{ position:absolute; left:0; content:"\f105"; font-family:"fontawesome";}
.navbar-default .dropdown-menus li a.dq,.navbar-default .navbar-nav .dropdown-menus li a:hover{background:0 0;color:#57aaf3;}
.navbar-default .dropdown-menus li a.dq:after,.navbar-default .navbar-nav .dropdown-menus li a:hover:after{ color:#57aaf3;}
.navbar-brand{display:none}

.bos_menu{ width:100%; margin-top:9px; float:left; background:#165DFF;}
.bos_menu .navbar-nav>li>a{ display:inline-block; color:#fff;padding-top:10px; padding-bottom:10px;font-size:14px; font-family:mob; margin-right:20px;}
.bos_menu .navbar-nav>li>a.dq{color:#fff;background:#165DFF}
.bos_menu .navbar-nav>li>a:hover{color:#fff; background:#165DFF!important;}
.bos_menu .nav .open>a, .nav.open>a:focus, .nav .open>a:hover{background:#165DFF;}
.bos_menu .dropdown-menus{width:auto!important;left:0!important;padding:10px 15px 5px 15px; min-width:200px;}
.bos_menu .dropdown-menus li{border:none;padding-bottom:0;margin-bottom:0; width:100%;}
.bos_menu .dropdown-menus li a{padding:4px 4px 4px 14px; font-weight:100; font-size:13px; margin-bottom:0;white-space:nowrap; width:100%; line-height:18px; color:#333; border:none; position:relative;}
.bos_menu .dropdown-menus li a.dq,.bos_menu .dropdown-menus li a:hover{background:none;color:#57aaf3!important;}
.bos_menu .dropdown-menus li a:after{ position:absolute; left:0; content:"\f105"; font-family:"fontawesome";}
.bos_menu .dropdown-menus li a.dq:after,.bos_menu .dropdown-menus li a:hover:after{ color:#57aaf3;}
.bos_menu .dropdown-menus li ol li a{color:#666;padding:1px 4px 1px 30px;}
.bos_menu .dropdown-menus li ol li a:after{ content:""; position:absolute; left:15px; top:45%; width:5px; height:5px; border-radius:50%; background:#666;box-shadow:inset 1px 1px 2px #fff;}
/****banner****/
#bos_banner{width:100%;height:auto;position:relative}
.banner_txt{width:660px;font-size:16px; line-height:24px;margin:0 auto; position:absolute; left:0; right:0px; top:45%;color:#fff; text-shadow: 1px 1px 1px #000; background:rgba(51,51,51,.9); padding:10px 0 10px 20px;}
.banner_txt span{color:#fff; font-size:26px; font-family:mob;line-height:36px;letter-spacing: .6px;display:block}

/****container****/
#container{width:100%;height:auto;margin:92px auto 0 auto; overflow:hidden; background:#fff;}
.home_conbg{width:100%;background:#f2f2f2; overflow:hidden;}
#bos_container{width:92%;max-width:1030px; margin:0 auto;padding:5px 0 20px 0; position:relative; overflow:hidden;}
.company{ width:100%; background:#fff; float:left; margin:30px auto 40px auto;}
.company_txt{ width:92%; max-width:1030px; margin:0 auto; color:#333; overflow:hidden; padding-top:20px;}
.company_txt h2{ color:#6f6f6f; font-size:24px; padding:0 0 10px 0; line-height:30px; width:610px; font-family:mob;}
.company_txt h2 span{ font-family:mor; font-size:22px;}
.company_txt p{ margin-top:10px;}
 a.more{ color:#fff; font-size:13px; background:#165DFF; display:inline-block; width:100px; text-align:center; padding:5px 0;transition:.3s; text-transform:uppercase;}
 a.more:hover{background:#184b9a;}
.company_txt a.more{font-size:14px;width:128px;padding:8px 0;}
 

.bos_video{width:24%;overflow:hidden;position:relative;margin:8px auto 10px auto;float:left;height:140px;background:url(../images/video.jpg) no-repeat center;background-size:cover; border:1px #131210 solid;}
.bos_video a{top:30%; font-size:24px; color:#fff; position:absolute; left:0; right:0; margin:auto; text-align:center;}
.bos_video a span{ font-size:20px; background:rgba(0,47,78,.5); border-radius:50%; width:45px; height:45px; line-height:26px; display:inline-block; padding-left:4px; padding-top:9px; transition:.3s; border:3px #fff solid;}
.bos_video a:hover span{background:rgba(153,153,153,.5); color:#1d67ca; border-color:#1d67ca;}
.home_video{ width:28%; height:211px; margin:10px 4% 0 0;}
.home_video a{top:36%}


.videoall ul li{width:49%;float:left;margin:15px 2% 5px 0;}
.videoall ul li a{display:block;text-align:center; line-height:18px; font-size:14px;color: #555}
.videoall ul li:nth-child(2n){margin:15px 0px 5px;margin-right: 0}
.videoall ul li:nth-child(2n+1){clear: both;}
.videoall ul li a span{display:block;margin-bottom:10px;}
.videoall ul li a span{border:1px solid #999;display:block;position:relative;color:#fff;font-size:26px;}


.our_bg {width:100%; margin:0 auto; background:#1c1c1c; padding-top:20px; overflow:hidden;}
.ourrange{width:100%; max-width:1030px; margin:0 auto; padding-bottom:30px; overflow:hidden;}
.ourrange .bos_hometitle{ color:#fff;text-align:center;display:block;line-height:30px;padding:8px 0px;font-size:24px; margin:5px 0 15px 0;text-align:center; font-weight:bold;}
.ourrange ul>li{ width:25%; margin:0 0 20px 0; }
.ourrange ul li:nth-child(4n){ margin-right:0;}
.ourrange ul li:nth-child(4n+1){ clear:both}
.ourrange ul li ol,.ourrange ul li ol li{ width:100%;}
.ourrange ul li ol li.product_img{ text-align:center; overflow:hidden; border-bottom:2px #000000 solid; position: relative;}
.ourrange ul li ol li.product_img a img{transition:.5s; -webkit-transition:.5s; -moz-transition:.5s;}
.ourrange ul li ol li.product_img span{color:#fff; display:block; font-size:17px; position:absolute;top:45%; left:0px; right:0px; margin:0 auto; text-align:center;}
.ourrange ul li ol li.product_img a:hover img{ transform:scale(1.05);opacity:.7;}
.ourrange ul li ol li.product_con{ color:#fff; font-size:13px; line-height:16px; display:block; text-align:center; padding:25px 10px 10px 10px;}

.mainpro{ width:100%; margin:0 auto; padding-top:20px; position:relative;}
.mainpro .bos_hometitle{color:#333333;text-align:center;display:block;line-height:24px;padding:8px 0px;font-size:22px; margin:5px 0 15px 0;text-align:center; font-weight:bold;}
.mainpro ul { width:100%; margin:6px 0;}
.mainpro ul>li{ width:23%; margin:0 2% 20px 0; }
.mainpro ul li:nth-child(4n){ margin-right:0;}
.mainpro ul li:nth-child(4n+1){ clear:both}
.mainpro ul li ol,.mainpro ul li ol li{ width:100%;}
.mainpro ul li ol li.product_img{ text-align:center; overflow:hidden;}
.mainpro ul li ol li.product_img a img{transition:.5s; -webkit-transition:.5s; -moz-transition:.5s;}
.mainpro ul li ol li.product_img a:hover img{ transform:scale(1.05);opacity:.7;}
.mainpro ul li ol li.product_con{ background:#fff; padding:15px 0 20px 0;}
.mainpro ul li ol li.product_con a{color:#fff; display:block; padding:5px 10px 5px 10px;font-size:14px; background:#999; line-height:16px; text-align:center; min-height:56px;display:flex;justify-content:center;align-items: Center;transition:.2s}
.mainpro ul li ol li.product_con a:hover{background:#ff8f00;}

.application{width:94%;margin:0 auto;overflow:hidden;max-width:1030px;padding:40px 0 40px 0}
.app_left{ width:32%; float:left;}
.app_left .bos_hometitle{ color:#fff; font-size:24px; background:#165DFF; display:inline-block; width:100%; max-width:250px; text-align:center; padding:5px 0; font-weight:bold; line-height:46px;}
.app_left ul{ padding-top:20px;}
.app_left ul li{ width:100%;}
.app_left ul li a{ padding-left:20px; line-height:18px; margin:5px 0px; color:#6f6f6f; display:block; position:relative;}
.app_left ul li a:before{content:"\f013";position:absolute;font-family:FontAwesome;left:1px;top:-1px;color:#165DFF;font-size:14px}
.app_left ul li a:hover{ color:#165DFF;}
.app_right{ width:64%; float:right;}
.app_right li{ width:33.333333%; float:left; overflow:hidden;}
.app_right li a img{transition:.5s; -webkit-transition:.5s; -moz-transition:.5s;}
.app_right li a:hover img{ transform:scale(1.05);opacity:.7;}

#home_bg{width:100%;overflow:hidden;padding:50px 0 30px 0;background:#dbdbdb;}
#home_list{width:94%;margin:0 auto;max-width:1000px}
#home_list .bos_hometitle{ margin:0px; padding-top:0px;}
#home_list .bos_hometitle a{font-size:16px;color:#165DFF;font-family:mos; padding-bottom:10px!important; text-align:inherit;float: left; clear:both; text-align:left; line-height:20px;}
#home_list .bos_hometitle a:hover{color:#165DFF}
#home_list #bos_prolist{width: 70%;margin:0 4% 0 0; float:left;}
#home_list #bos_prolist ul{width:48%;}
#home_list #bos_prolist ul:nth-child(1){ margin-right:4%;}
#home_list #bos_prolist ul li{ width:100%;}
#home_list #bos_prolist ul li a{ color:#6f6f6f; font-size:12px; line-height:14px; padding-left:15px; position:relative; display:block; padding-bottom:8px;}
#home_list #bos_prolist ul li a:before{content: "\f067"; position: absolute; font-size:12px; color:#165DFF;left:0px; top:0; font-family:fontawesome; font-weight:normal;}
#home_list #bos_prolist ul li a:hover{ color:#165DFF}

#home_list .bos_contactin{width:19.5%;margin:0 4% 10px 0;float:left}
#home_list .bos_contact{font-size:12px;line-height:20px;color:#6f6f6f}
#home_list .bos_contact strong{color:#6f6f6f;font-size:13px;line-height:18px; display:inline-block;}
#home_list .bos_contact a{color:#6f6f6f}
#home_list .bos_contact a:hover{color:#165DFF}
#home_list .home_company{background:url(../images/home.png) left 3px no-repeat; font-family:mob; line-height:16px; padding-left:35px; padding-bottom:10px;}
#home_list .home_tel{background:url(../images/tel.png) left top no-repeat;line-height:20px; padding-left:35px;}
#home_list .home_email{background:url(../images/email.png) left top no-repeat;line-height:30px; padding-left:35px;}

#home_list .qrcode{background:#fff;padding:4px;float:left; margin-top:10px;}
#home_list #tags{width:100%;float:right;margin:0; background:none;padding:0; font-size:20px;}
#home_list #tags #tags_title{padding:0 0 20px 0;margin-bottom:0;border:none;font-size:20px;line-height:16px;color:#165DFF}
#home_list #tags a{background:#f3f3f3; border:none; color:#6f6f6f;}
#home_list #tags a:hover{background:#165DFF;color: #ffffff;}.bos_other{ width:100%; border-top:1px solid #eee; padding-top:20px;}
.bos_other .bos_hometitle{ color:#fff;text-align:center;display:block;line-height:20px;padding:8px 25px;font-size:20px;float:left; margin:15px 10px;position:relative}
.bos_other .bos_hometitle:after,.bos_other .bos_hometitle:before{position:absolute;content:'';transform:skew(-25deg);width:100%;height:100%;background:#3f74a3;display:block;left:0;top:0;transition:all ease-in-out .3s;-moz-transition:all ease-in-out .3s;-webkit-transition:all ease-in-out .3s;-o-transition:all ease-in-out .3s;-ms-transition:all ease-in-out .3s}
.bos_other .bos_hometitle:before{background:#165DFF;top:-6px;left:9px}
.bos_other .bos_hometitle span{display:block;position:relative;z-index:1}
.bos_other p{ color:#555; font-size:14px;}
.stitle a{ color:#165DFF; font-size:18px; font-weight:700; display:inline-block; margin:10px 0; position:relative;}
.stitle a:before{ content:"\f18e";font-family:fontawesome; position:absolute; top:1px; right:-30px; font-size:22px; font-weight:100;}
.stitle span{color:#165DFF; font-size:18px; font-weight:700; display:inline-block; margin:10px 0; position:relative;}
.stitle a:hover{ color:#ff8f00;}
.accordion{position:relative;}
.accordionTitle{background-color:#eee;font-weight:700;display:block; color:#222 !important; text-transform:uppercase; padding:8px 15px; position:relative; margin-bottom:3px;}
.accordionTitle:before{position:absolute;content:"\f105";font-family:fontawesome; transition:.5s; top:4px; right:20px; font-size:20px;}
.accordionTitle:hover{ background-color:#ddd;}
.accordionTitle:hover:before{color:#ff8f00;}
.accordionTitle.is-expanded:before,.accordionTitleActive:before{-webkit-transform:rotate(90deg);transform:rotate(90deg); color:#ff8f00;}
.accordionItem{height:auto;overflow:hidden;max-height:50em;-webkit-transition:max-height 1s;transition:max-height 1s}
.accordionItem.is-collapsed{max-height:0}
.no-js .accordionItem.is-collapsed{max-height:auto}
.animateIn{-webkit-animation:accordionIn .45s normal ease-in-out both 1;animation:accordionIn .45s normal ease-in-out both 1}
.animateOut{-webkit-animation:accordionOut .45s alternate ease-in-out both 1;animation:accordionOut .45s alternate ease-in-out both 1}
.accordion p{ padding:10px 15px; color:#888; font-size:13px;}
@-webkit-keyframes accordionIn{0%{opacity:0;-webkit-transform:scale(.9) rotateX(-60deg);transform:scale(.9) rotateX(-60deg);-webkit-transform-origin:50% 0;transform-origin:50% 0}
100%{opacity:1;-webkit-transform:scale(1);transform:scale(1)}
}
@keyframes accordionIn{0%{opacity:0;-webkit-transform:scale(.9) rotateX(-60deg);transform:scale(.9) rotateX(-60deg);-webkit-transform-origin:50% 0;transform-origin:50% 0}
100%{opacity:1;-webkit-transform:scale(1);transform:scale(1)}
}
@-webkit-keyframes accordionOut{0%{opacity:1;-webkit-transform:scale(1);transform:scale(1)}
100%{opacity:0;-webkit-transform:scale(.9) rotateX(-60deg);transform:scale(.9) rotateX(-60deg)}
}
@keyframes accordionOut{0%{opacity:1;-webkit-transform:scale(1);transform:scale(1)}
100%{opacity:0;-webkit-transform:scale(.9) rotateX(-60deg);transform:scale(.9) rotateX(-60deg)}
}


.quicklink{ width:100%; height:a; float:left; margin:10px 0 20px 0;}
.quicklink ul{ width:100%; height:auto; float:left;}
.quicklink ul li{ width:23%; float:left; margin:0 2.6% 0 0;} 
.quicklink ul li:nth-child(4) { margin-right:0}
.quicklink ul li a{ display:block; background:#165DFF; text-align:center; position:relative; border:3px outset #165DFF;}
.quicklink ul li a:before{ content:"\f046"; font-family:fontawesome; position:absolute; margin:auto; left:0; right:0; top:24px; color:#fff; font-size:40px;}
.quicklink ul li:nth-child(2) a:before{ content:"\f29c";}
.quicklink ul li:nth-child(3) a:before{ content:"\f085";}
.quicklink ul li:last-child a:before{ content:"\f248";}
.quicklink ul li a span{ display:block; color:#fff; line-height:20px; font-size:14px; padding:60px 10px 20px 10px;}
.quicklink ul li a:hover,.quicklink ul li a.dq{ background:#ff8f00; border-style:inset;}

.bos_bottom{ width:100%; overflow:hidden;background:#eee; margin-top:40px;}
.bottom{ width:92%;max-width:1030px; margin:0 auto; padding:20px 0; overflow:hidden; }
.bottom .bos_hometitle{ color:#165DFF; font-size:18px; font-weight:700; padding:8px 0; border-bottom:1px solid #165DFF; margin-bottom:10px;}
.bottom .bos_hometitle a{ color:#165DFF; position:relative; transition:.2s}
.bottom .bos_hometitle a:hover{ color:#ff8f00;}
.productlist{ width:20%; float:left; margin-right:4%; position:relative;}
.productlist ul,.productlist ul li{ width:100%;}
.productlist ul>li>a{ line-height:18px; color:#333; display:block; padding:5px 0 5px 15px; font-size:14px; position:relative; transition:.2s}
.productlist ul>li>a:before{ content:""; position:absolute; left:0; top:11px; background:#666; border-radius:50%; width:6px; height:6px; transition:.2s}
.productlist ul>li>a:hover{ color:#ff8f00;}
.productlist ul>li>a:hover:before{ background:#ff8f00;}
.contact{ float:left; width:52%;  margin-right:4%; color:#555; position:relative;}
.contact p{ margin-bottom:8px; line-height:22px; font-size:14px;}
.contact p a{ color:#165DFF;}
.contact p a:hover{ color:#ff8f00;}
.contact .qrcode{ float:right; margin:20px 0 0 2%; padding:3px; background:#fff;}
#tagsin{ float:right; width:20%;}
#tagsin #tags_title{ color:#165DFF; font-size:18px; font-weight:700; padding:8px 0; border-bottom:1px solid #165DFF; margin-bottom:15px; line-height:26px;}
#tagsin a{ border:1px solid #333;padding:4px 6px; margin:3px 3px 3px 0px;color:#333;display:inline-block;line-height:1;font-size:13px; transition:.2s}
#tagsin a:hover{background:#165DFF; color:#fff;}
.feedback{ width:96%; height:auto; margin:0 auto; text-align:center;} 
.feedback a{ display:inline-block; width:auto; color:#fff; background:#d61f1f; font-size:18px;text-align:center; padding:1rem 2.5rem 1rem 3.5rem; border-radius:25px; position:relative; font-weight:600 }
.feedback a:before{ position:absolute; top:1rem; left:1.2rem; content:"\f0e0"; font-family: FontAwesome;}
.feedback a:hover{background:#10326a;text-decoration: none;} 


/**inside_part**/
#bos_right{ width:68%; float:right;}
#bos_sidebar{ width:27%; float:left;}
#bos_sidebar .bos_hometitle{font-size:20px;line-height:20px;padding:0;padding:12px 0;margin-bottom:12px;color:#222;position:relative; text-align:left; font-weight:bold;}
#bos_sidebar .bos_hometitle:after,#bos_sidebar .bos_hometitle:before{position:absolute;content:'';border-top: 1px #1f4847 solid;width:82%;height:1px;left:0;bottom:0}
#bos_sidebar .bos_hometitle:after{width:92%;bottom:4px;left:5%;}
#bos_sidebar .bos_hometitle a{color:#333;display:block}
#bos_sidebar .bos_hometitle a:hover{color:#165DFF}

#bos_sidebar .bos_contactin{width:100%;overflow:hidden;color:#444;font-size:14px;line-height:22px;margin-bottom:30px;}
#bos_sidebar .bos_contact{margin-top:10px;padding-left:5px}
#bos_sidebar .bos_contactin p{margin-bottom:10px}
#bos_sidebar .bos_contactin p a{color:#165DFF}
#bos_sidebar .bos_contactin p a:hover{ color:#ff8f00}
#bos_sidebar .qrcode{ float:left; padding:5px; background:#fff;}
.share{width:auto;height:auto;padding:0 0 10px 0;overflow:hidden}
.share a{text-align:center;margin:0 5px 0 0;width:28px;display:block;float:left;height:28px;line-height:28px;font-size:13px;position:relative;border-radius:3px;background:#165DFF!important;color:#fff!important;cursor:pointer}
.share a:hover{background:#ff8f00!important; color:#fff!important;}
.home_share{ margin-top:10px; border-top:1px #0065ab solid; padding-top:20px;}
.home_share a{ margin-right:8px;}
#tags{margin:20px 0;}
#tags #tags_title{color:#333;font-size:20px;line-height:20px;padding:10px 0;margin-bottom:6px; font-weight:700;}
#tags a{border:1px solid #777;padding:4px 6px;margin:0 3px 3px 0;color:#333;display:inline-block;font-size:12px;text-transform:capitalize;line-height:16px}
#tags a:hover{background:#165DFF; border-color:#aaa;color: #fff;}


.abouts{ width:100%; background:linear-gradient(to left bottom, transparent 50%, #eaeaea 0) no-repeat 100% 0 / 2em 2em,  
linear-gradient(-135deg, transparent 1.4em, #f8f8f8 0); padding:20px 40px 10px 20px; margin:10px auto 30px auto; overflow:hidden; box-shadow:0 23px 15px -30px #666;}
.abouts p{ margin-bottom:10px;}
.abouts strong{ color:#165DFF; font-size:16px;}
.abouts .img_right img{ border:none;}

.step{width:auto;margin-bottom:10px;overflow:hidden;counter-reset:step 0; float:none;}
.step li{width:100%;display:block;position:relative;padding:8px 0 6px 20px; border-bottom:1px dashed #eee;}
.step li:before{content:counter(step) ".";counter-increment:step;position:absolute;left:0;top:8px; color:#333;}

ul.proitem{ margin-bottom:15px; float:none;}
ul.proitem>li{ width:auto; margin:4px 0 8px 20px; list-style:decimal; line-height:20px; float:none;}
ul.proitem1 >li{ width:45%!important; float:left; padding-right:4%;}
ul.proitem1 >li:nth-child(2n+1) a{ padding-right:0;}
ul.protable{ width:100%; float:right; margin:5px 0 30px 0;}
ul.protables{ width:48%;}
ul.protable li{ width:100%; border-bottom:1px dotted #ddd; padding:5px 0; color:#666;}
ul.protable li strong{ width:20%; display:inline-block; font-weight:100; color:#165DFF;}
ul.protables li strong{ width:40%; font-weight:700; color:#444;}
ul.protables li span{ width:59%; float:right; display:block;}

ul.item1{ margin-bottom:15px; float:none;}
ul.item1>li{ width:auto; margin:4px 0 8px 0px; line-height:20px; float:none;}
ul.lipar{float:none;margin-bottom:20px}
ul.lipar>li{float:none;margin:3px 0 8px 20px;padding:0; list-style:disc;}

#bos_producttitle{margin:8px auto; height:auto; color:#333; line-height:18px; font-size:13px; overflow:hidden;}
#bos_producttitle a{color:#000; color:#999; padding-right:6px}
#bos_producttitle li{display:inline-block}
#bos_producttitle li+li::before{padding:0 5px;color:#ccc;content:"/\00a0"}
#bos_producttitle a:hover{color:#ff8f00}#bos_productlist{ width:100%; overflow:hidden; margin:25px 0 20px 0;}
#bos_productlist ul,#bos_productlist ul li,#bos_productlist ul li ol{ display:block; width:100%;}
#bos_productlist ul{border-left: 2px solid #165DFF;padding: 0px 20px;}
#bos_productlist ul>li{border-bottom: 1px solid #eaeaea;}
#bos_productlist ul>li:last-child{ border:none;}
#bos_productlist ul li a{ display:block; line-height:18px; }
#bos_productlist ul>li>a{color:#848484; padding:15px 5px 15px 0px; display:block;font-size: 15px;}

#bos_productlist ul>li>ol>li>a{font-size:13px; color:#666; line-height:16px; padding:7px 10px 6px 10px; width:96%; float:right; border-left:1px solid #ccc; position:relative;}
#bos_productlist ul>li>ol>li>a:before{ content:""; position:absolute; left:-5px; top:11px; width:9px; height:9px; border:1px solid #aaa; border-radius:50%; background:#fff;}
#bos_productlist ul li a:hover,#bos_productlist ul li a.dq{color:#165DFF;}
#bos_productlist ul>li>ol>li>a:hover:before,#bos_productlist ul>li>ol>li>a.dq:before{ border:1px solid #ff8f00;}

.stripes {height:8px; width:100%; overflow:hidden; background-size:9px 9px; margin:10px auto 15px auto;}
.angled-135{background-image: linear-gradient(-45deg, rgba(220,220,220,.5) 25%, transparent 25%,transparent 50%, rgba(204,204,204,.5) 50%, rgba(204,204,204,.5) 75%,transparent 75%, transparent);}

/*products*/
.moretop{ margin-top:20px}
.lesstop{ margin-top:10px}
.lessbtm{ margin-bottom:6px}
.protitle{ font-size:16px; display:block; margin:20px 0 12px 0; border-bottom:1px solid #ddd; position:relative; padding:0 0 6px 24px; color:#333;  font-weight:700;}
.protitle:before,.protitle:after{ content:""; position:absolute; left:0; top:4px; border:1px solid #ff8f00; width:10px; height:10px;}
.protitle:after{ left:4px; top:8px; background:#ff8f00; border:none;}
.protitle a{ color:#333}
.protitle a:hover{ color:#ff8f00}

.protitle1{color:#000; font-size:16px;padding:5px 0 5px 0px; line-height:28px; border-bottom:1px dashed #1d67ca; display:inline-block;}

.protitle2 a{ color:#1b98e0;  margin:10px auto; display:inline-block; text-decoration:underline; position:relative; padding-left:30px;}
.protitle2 a:before{ content:"\f08e"; font-family:fontawesome; position:absolute; left:1px; top:2px; font-weight:700; font-size:16px;}
.protitle2 a:hover{ color:#1b273d;}

.protitle3{font-size:18px;line-height:22px;padding:8px 0;width:100%;overflow:hidden;clear:both;text-transform:capitalize;color:#555;margin:20px 0;border-bottom:1px solid #888;}
.protitle3 a{color:#165DFF;padding-left:22px;position:relative}
.protitle3 a:before{position:absolute;content:"\f096";font-family:FontAwesome;left:1px;top:0px;font-size:16px}
.protitle3 a:hover:before{content:"\f046"}

.btitle{ width:100%; display:block; position:relative; margin-bottom:20px; padding-top:15px;}
.btitle:before{ content:""; position:absolute; left:0; bottom:-9px; width:0; height:0; border-right:22px solid #ff8f00; border-bottom:10px solid transparent;}
.btitle span{ background:#ff8f00; display:inline-block; color:#fff; padding:3px 55px 3px 10px; position:relative; font-weight:100;}
.btitle span:hover{ color:#fff;}
.btitle span:before{ position:absolute; content:""; width:11px; height:32px; transform:skew(21deg); -webkit-transform:skew(21deg); -moz-transform:skew(21deg); background:#fff; top:0; right:18px; z-index:2}
.btitle span:after{ position:absolute; content:""; right:0; bottom:0; background:#fff; z-index:1; border-color:#fff #fff #ff8f00 #ff8f00; border-width:0 12px 30px 0; border-style:solid}

.parli{ padding-bottom:20px; overflow:hidden;}
.parli ul>li{ width:48%; margin-right:4%; float:left;min-height:380px; padding:20px;box-shadow: 0 2px 8px rgba(0,0,0,.4);transition: all ease-in-out .3s;border: 1px #999 solid;}
.parli ul>li>span{ font-size:18px;border-bottom: 1px dashed #1d67ca;}
.parli ul>li:nth-child(2n){ margin-right:0}
.parli ul>li ol{ padding-left:20px; padding-top:10px;}
.parli ul>li ol li{ list-style:disc; width:100%; line-height:20px; padding:3px 0;}
.parli ul>li:hover{background: #f7f7f7;}

.more1{display:block;color:#165dff;font-size:13px;line-height:13px;position:relative;width:100px!important;text-decoration:underline!important;letter-spacing:.3px; float:right!important; margin-top:15px;}
.more1:after{content:"\f178";position:absolute;right:5px;top:0;font-family:FontAwesome;color:#165dff;font-size:16px;transition:all ease-in-out .3s}
.more1:hover{text-decoration:none!important;}
.more1:hover:after{right:0}

.bos_products,.bos_products ul,.bos_products ul li,.bos_products ul li ol{ width:100%; height:auto; overflow:hidden}
.bos_products ul>li{ margin-bottom:20px}
.bos_products ul li ol li.product_img{ width:24%; height:auto; float:left; border:1px solid #b3b3b3;}
.bos_products ul li ol li.product_img:hover{ border:1px solid #165DFF}
.bos_products ul li ol li.product_con{ width:73%; height:auto; float:right; text-align:left; color:#777; line-height:22px;}
.bos_products ul li ol li.product_con a{color:#000;display:block;line-height:24px;padding:0 20px 5px 0;border-bottom:1px dashed #999;margin-bottom:8px;overflow:hidden;position:relative;font-size:16px;}
.bos_products ul li ol li.product_con a:after{content:"\f18e";position:absolute;right:3px;bottom:-100%;font-family:FontAwesome;color:#ff8f00;font-size:16px;transition:all ease-in-out .3s;-moz-transition:all ease-in-out .3s;-webkit-transition:all ease-in-out .3s;-o-transition:all ease-in-out .3s;-ms-transition:all ease-in-out .3s}
.bos_products ul li ol li.product_con a:hover:after{bottom:3px}

.bos_products ul li ol li.product_con a:hover{ color:#ff8f00;}
.bos_products ul li ol li.product_con span{ display:block; line-height:20px; font-size:14px;}
.bos_products ul li ol li.product_con span i{ font-weight:700;}

.bos_products1,.bos_products1 ul{ width:100%; height:auto; overflow:hidden;}
.bos_products1 ul>li{ width:23.5%; margin:0 2% 2% 0}
.bos_products1 ul>li:nth-child(4n){ margin-right:0}
.bos_products1 ul>li:nth-child(4n+1){ clear:both}
.bos_products1 ul li ol,.bos_products1 ul li ol li{ width:100%;}
.bos_products1 ul li ol li.product_img,.bos_products1 ul li ol li.product_con{ width:100%;}
.bos_products1 ul li ol li.product_img{ text-align:center; transition:.3s; border:1px #818b94 solid; } 
.bos_products1 ul li:hover ol li.product_img{ border-color:#165DFF;opacity: .7;}
.bos_products1 ul li ol li.product_con{ background:#f5f6f8;}
.bos_products1 ul li ol li.product_con a{ color:#888; line-height:16px; display:block; text-align:center; margin:12px 0; font-size:14px;}
.bos_products1 ul li:hover ol li.product_con a{ color:#165DFF;}
.underline ul li ol li.product_con a{ text-decoration:underline;}

.bos_products2,.bos_products2 ul{ width:100%; height:auto; overflow:hidden}
.bos_products2>ul>li{ width:100%;}
.bos_products2 ul li a.ptitle{ display:inline-block; background:linear-gradient(to right, #165DFF, #fff); color:#fff; font-size:16px; padding:6px 100px 6px 40px; text-shadow:1px 1px 1px #999; position:relative; font-weight:700;}
.bos_products2 ul li a.ptitle:before{ content:"\f1b2"; font-family:fontawesome; position:absolute; left:2.2%; top:6px; font-weight:100; text-shadow:none;}
.bos_products2 ul li a.ptitle:hover{ background:linear-gradient(to right, #165DFF, #fff);}
.bos_products2 ul li ol{ width:98%; float:right; border-left:2px solid #4295ce; display:block; padding:20px 0 40px 20px; position:relative;}
.bos_products2 ul li:last-child ol{ border-bottom:1px dashed #4295ce;}
.bos_products2 ul li ol:before{ content:""; position:absolute; left:-1.5%; border-left:8px solid #4295ce; border-top:5px solid transparent; border-bottom:5px solid transparent;}
.bos_products2 ul li ol li.pimg{ width:24%; margin-right:3%; float:left; transition:.3s;text-align: center;}
.bos_products2 ul li ol li.pimg img{border:1px solid #eee; }
.bos_products2 ul li ol li.pimg img:hover{ border:1px solid #ff8f00; opacity:.8}
.bos_products2 ul li ol li.ptxt{ width:63%; font-size:14px; line-height:20px; margin-right:3%; color:#666;}
.bos_products2 ul li ol li.ptxt1{ margin-right:0}
.bos_products2 ul li ol li.ptxt strong{ font-size:16px; line-height:24px; display:block; padding:5px 0; margin-bottom:10px; color:#4295ce; border-bottom:1px dotted #ccc;}
.bos_products2 ul li ol li.ptxt i{ display:block; position:relative; padding:2px 0 2px 15px; font-style:normal;}
.bos_products2 ul li ol li.ptxt i:before{ content:""; position:absolute; left:0; width:6px; height:6px; top:10px; background:#999; border-radius:50%;}
.bos_products2 ul li ol li.ptxt a{ width:32%; margin-right:2%; position:relative; display:block; float:left;}
.bos_products2 ul li ol li.ptxt a:last-child{ margin-right:0}
.bos_products2 ul li ol li.ptxt a span{position:absolute;width:100%;height:100%;top:0;left:0;display:block;}
.bos_products2 .tooltip{ font-size:13px;}

.bos_point{width:100%;float:left; margin:15px 0;}
.bos_point ul{ width:100%; position:relative; margin-bottom:15px;}
.bos_point ul:before{position:absolute;content:'';border-top:1px solid #666;left:0;top:75px;width:100%}
.bos_point li{width:14%; margin:0 4% 0 0;float:left;}
.bos_point li:last-child{ margin-right:0}
.bos_point li a{width:100%;display:block;font-size:14px;line-height:18px;padding:5px 0;color:#666;position:relative;text-align:center;cursor:pointer;}
.bos_point li a img{display:block;width:100%; max-width:70px; margin:0 auto 30px auto}
.bos_point li a:before{position:absolute;content:"";width:10px;height:10px;left:0;right:0;margin:0 auto;top:71px;background:#fff;border:1px #666 solid;border-radius:50%}
.bos_point li a.dq,.bos_point li a:hover{color:#165DFF}
.bos_point li a.dq:before,.bos_point li a:hover:before{background:#165DFF;border-color:#165DFF}.bos_team{ padding-top:10px;}
.bos_team,.bos_team ul{ width:100%; height:auto; overflow:hidden;}
.bos_team ul li{ width:18.4%; margin:0 2% 2% 0}
.bos_team ul li:nth-child(5n){ margin-right:0}
.bos_team ul li:nth-child(5n+1){ clear:both}
.bos_team ul li a img{ text-align:center; transition:.3s; padding:3px; border:1px #eee solid; } 
.bos_team ul li a:hover{ border-color:#ff8f00;opacity: .7;}
.bos_team ul li span{font-size: 16px;font-weight: bold;color: #222E35;line-height: 26px; padding:15px 5px 10px 0; margin-bottom:8px; display:block;border-bottom: 1px solid #E6E6E6;}
.bos_team ul li p {font-size: 14px;color: #9C9C9C;}

/*bos_photo*/
.picbs{width:45%;float:right;margin:10px 0 10px 2%;display:block;overflow:hidden}
.main_pic{ width:100%; float:right; text-align:center; box-shadow:0 0 4px 2px inset #eee; padding:5px;  margin-bottom:4%;}
.main_pic img{ transition:.3s}
.main_pic img:hover{ opacity:.8}
.related_pic{width:100%; display:block; float:right; margin-bottom:10px; padding:0 5px;}
.related_pic figure{ display:inline}
.related_pic img{ padding-bottom:4px; float:left; width:100%; display:inline-block; box-shadow:0 15px 15px -16px #ccc; width:15%; margin:0 2% 2% 0}
.related_pic figure:nth-child(6n) img{ margin-right:0}
.img_center{width:100%;clear:both;margin:5px auto 5px auto;text-align:center; background:#fff;}
.img_center1{ text-align:left;}
.whole{ border:1px solid #dfdfdf;}
.img_center img{display:block;margin:0 auto;}
.img_left,.img_right{width:32.66%;float:right; margin:0 0 14px 2%; text-align:center;}
.swidth{ width:22%; min-width:150px;}
.sswidth{ width:12%; min-width:50px;}
.bwidth{ width:40%; min-width:150px; margin-top:5px}
.bbwidth{ width:45.5%; min-width:150px; margin-top:5px}
.img_left{float:left; margin:0 2% 14px 0}
.img_left img,.img_right img{ display:block; width:100%; border:1px solid #ddd; padding:2px; transition:.3s}
.img_left a img:hover,.img_right a img:hover{ border-color:#165DFF; opacity:.8}
.nobd img{ border:none !important;}
.bos_photo{ margin:5px 0;width:100%;height:auto; overflow:hidden; font-size:14px;} 
.bos_photo ul{display:block;width:100%;height:auto}
.bos_photo ul li{display:block;margin:0 2% 14px 0;text-align:center;line-height:18px;}
.bos_photo ul li img{display:block; width:100%; margin-bottom:8px; padding:2px; border:1px solid #ddd; transition:.3s} 
.bos_photo ul li a img:hover{ border-color:#165DFF;}
.bos_photo ul li span{ display:block; margin-bottom:10px;}
.bos_photo ul li p{ margin-bottom:12px; text-align:left; display:block; padding-right:10px; line-height:22px; font-size:15px;}
.bos_pic2 ul,.bos_pic3 ul,.bos_pic4 ul,.bos_pic5 ul,.bos_pic6 ul{margin:0}
.bos_pic2 ul li{width:49%}
.bos_pic3 ul li{width:32%}
.bos_pic4 ul li{width:23.5%}
.bos_pic5 ul li{width:18.4%}
.bos_pic6 ul li{width:15%}
.bos_pic2 ul li:nth-child(2n),.bos_pic3 ul li:nth-child(3n),.bos_pic4 ul li:nth-child(4n),.bos_pic5 ul li:nth-child(5n),.bos_pic6 ul li:nth-child(6n){margin-right:0}
.bos_pic2 ul li:nth-child(2n+1),.bos_pic3 ul li:nth-child(3n+1),.bos_pic4 ul li:nth-child(4n+1),.bos_pic5 ul li:nth-child(5n+1),.bos_pic6 ul li:nth-child(6n+1){ clear:both;}

/*other & related*/
.otherpro{ width:100%; overflow:hidden; margin:0 auto 20px auto;}
.otherpro ul{ width:100%;}
.otherpro>ul>li{width:23.5%;margin:5px 2% 5px 0}
.otherpro>ul>li>ol{width:100%;}
.otherpro>ul>li:last-child{margin-right:0}
.otherpro ul li ol li.product_img{ width:100%; border:1px solid #eee; padding:2px; transition:.3s}
.otherpro ul li:hover ol li.product_img{ opacity:.8}
.otherpro ul li ol li.product_con{ width:100%}
.otherpro ul li ol li.product_con a{ text-align:center; color:#666; line-height:20px; display:block; margin:8px 0; font-size:13px; transition:.3s}
.otherpro ul li:hover ol li.product_con a{ color:#ff8f00;}

.relatedpro{width:100%;overflow:hidden;margin:20px auto}
.relatedpro ul{width:100%;margin-bottom:5px;padding:15px 0; background:linear-gradient(to left bottom, transparent 50%, #eaeaea 0) no-repeat 100% 0 / 2em 2em,linear-gradient(-135deg, transparent 1.4em, #f8f8f8 0);box-shadow: 0 23px 15px -30px #666;}
.relatedpro ul li{width:50%}
.relatedpro ul li:nth-child(2n+1){clear:both}
.relatedpro ul li a{padding:6px 10px 6px 28px;display:block;overflow:hidden;color:#666;position:relative;line-height:16px;font-size:13px}
.relatedpro ul li a:before{position:absolute;content:'';width:5px;height:5px;left:15px;top:11px;background:#777;transform:rotate(45deg);-moz-transform:rotate(45deg);-webkit-transform:rotate(45deg);-ms-transform:rotate(45deg)}
.relatedpro ul li a.dq,.relatedpro ul li a:hover{color:#ff8f00}
.relatedpro ul li a.dq:before,.relatedpro ul li a:hover:before{background:#ff8f00} 


.history_date-list{padding-left:10px}
.history_date-list li{border-left:1px solid #444;box-sizing:border-box;cursor:pointer;padding:15px 10px 10px 10px;;position:relative;width:100%;height:auto}
.history_date-list .bos_photo{padding-left:15px}
.history_date-list .bos_photo ul li{border:none;padding:0}
.history_date-list li strong{padding:10px 0 10px 15px;font-size:18px;top:33%;display:block;line-height:22px}
.history_date-list li span.bullet_point{background-color:#ff8f00;border-radius:50%;display:block;position:absolute;top:40px;left:-6px;height:11px;width:11px;transition:all .5s}
.history_date-list li:focus span.bullet_point,.history_date-list li:hover span.bullet_point{height:21px;width:21px;left:-11px;top:35px}
.history_date-list li p{position:relative;display:inline-block;margin-bottom:10px;padding-left:15px;font-size:16px}
.history_date-list li span.image_wrap{border:2px solid #193441;display:block;position:absolute;top:-20px;left:-155px;transition:all .5s}
.history_date-list li:focus span.image_wrap,.history_date-list li:hover span.image_wrap{left:-170px}

/*contact us*/
#bos_contactin{ width:57%; height:auto; float:left; margin-top:8px;}
#bos_contactin p a{ color:#165DFF;}
#bos_contactin p a:hover{color:#ff8f00;}
#bos_contactin p{ margin-bottom:10px!important}
.location{ width:57%; height:auto; float:left; margin-top:10px;}
#bos_set_feedback_form{ float:right; width:39%; overflow: hidden;height:auto; box-shadow:0 0 2px #999;background:#fff;text-align:center}
#bos_form_title{overflow:hidden;padding-left:2%;background:#f8f8f8;text-align:left;font-weight:700;line-height:35px;font-size:16px;margin-bottom:12px; }
#bos_form_title .icon-envelope{padding-right:10px}
#floatchatiframe2011{ height:500px;}
#bos_form{width:100%;}
#bos_form #bos_set_feedback_form{border-radius:5px;margin:20px 0 20px 2%;width:49%;float:right}
#bos_form #bos_form_title{font-size:16px;padding:2px 0 0 20px}
#bos_form .bos_contactin{width:49%;margin:20px 0;height:550px;border-radius:5px; float:right; background:#fff; box-shadow:0 0 3px #999;}
#bos_form .bos_hometitle{ background:#f0f0f0;text-align:left;line-height:34px;margin-bottom:12px;color:#3d3d3d;font-size:16px;padding:2px 0 0 20px; font-weight:700;}
#bos_form .bos_hometitle span{padding-right:5px}
#bos_form .bos_hometitle a{color:#3d3d3d}
#bos_form .bos_hometitle a:hover{color:#ff8f00}
#bos_form .bos_contact{padding:0 20px}
#bos_form .bos_contact p{ margin-bottom:8px;}
#bos_form .bos_contact p a{ color:#165DFF}
#bos_form .bos_contact p a:hover{ color:#ff8f00}

/*sitemap*/
#bos_map{width:100%;margin:0 auto}
#bos_map .name{width:100%;color:#06c;background:#eee;margin-top:6px;line-height:26px;display:block;margin-bottom:4px; padding-left:3px;}
#bos_map a{color:#ff8f00;width:100%;display:block;margin-top:5px}
#bos_map a:hover{text-decoration:none}
#bos_map .name a{color:#ff8f00;margin:0;font-weight:700;text-decoration:none}
#bos_map .name a:hover{text-decoration:underline}
#bos_map .list_m{ width:100%; height:auto; margin-bottom:15px; overflow:hidden}
#bos_map .list_m a{ width:50%; display:block; float:left; color:#888; text-decoration:none; line-height:20px; padding:5px 0}
#bos_map .list_m a:nth-child(2n+1){ clear:both}
#bos_map .list_m a:hover{text-decoration:underline; color:#ff8f00}
#bos_map .list_m a.subname{ width:100%;display:block;text-decoration:underline; color:#666}
/*news*/
#app_new_pro{ display:none}
.news_list{width:100%;float:left}
.news_list ul{margin:20px auto}
.news_list ul>li>ol>li.product_img{float:left;width:26%;height:150px;overflow:hidden}
.news_list ul>li>ol>li.product_con{float:right;width:72%}
.news_list ul>li>ol>li.product_con a{font-size:18px;line-height:24px;color:#111;border-bottom:1px solid #333;display:block;padding:5px 0;margin-bottom:10px;transition:all ease-in-out .4s;-moz-transition:all ease-in-out .4s;-webkit-transition:all ease-in-out .4s;-o-transition:all ease-in-out .4s;-ms-transition:all ease-in-out .4s;text-decoration:none!important}
.news_list ul>li>ol>li.product_con a:hover{color:#ff8f00}
.news_list b{color:#01348b;font-size:17px;font-weight:400}
.news_list img{margin:0 auto;display:block}
.news_detail{ text-align:center;}

/*exbition*/
.layui-layer{background:#e6e6e6 !important;}
.layui-layer-dialog .layui-layer-content{word-break:keep-all !important;}
.layui-layer-title{color:#800 !important;font-size:18px !important;font-weight:700 !important;}
#myExhibition.layui-layer-content{padding:10px;}
.layui-layer-content img{margin-bottom:8px;}

/****footer****/
#footer{ width:100%;height:auto; font-size:13px;padding:15px 0 20px 0; background:#165DFF;}
#chatbox{z-index:999}
#bos_footin{margin:0 auto;width:100%; max-width:1030px;overflow:hidden;text-align:center;}
#bos_homefooter{overflow:hidden;width:100%;height:auto;margin-bottom:6px;padding: 15px 0 10px 0;}
#bos_homefooter a{padding:0 18px; color:#fff;line-height:18px; font-size:16px; margin:6px 0;}
#bos_homefooter a:hover{color:#ff8f00}
#bos_coper{margin-top:2px;width:100%;line-height:22px}
#bos_coper a{color:#fff}
#otherlink{clear:both;width:100%;height:auto; padding:12px 0;border-bottom: 1px solid #eeeeee;margin-bottom: 30px;}
#otherlink a{color:#fff; display:inline-block;padding:0 4px;font-size:13px; margin-right:5px; line-height:22px; border:1px #fff solid;}
#otherlink a span{opacity:.5;position:relative;top:0;font-size:12px}
#otherlink a:hover{color:#ff8f00; border-color:#ff8f00;}
#otherlink a:hover span{opacity:1;top:-2px;transition:all .3s ease-in-out}

/*responsive*/
@media screen and (max-width:980px){
#bos_sidebar,#bos_right{ width:100%; border:none}
#bos_productlist,.productlist{ display:none}
.bos_video{width:100%;max-width:980px;float:none}
.home_video{ margin:20px auto; height:120px;}
.home_video a{ top:30%}
#bos_banner{ display:none}
.contact{ width:100%; border:none; padding:0; float:none;}
#tagsin,#tags{ width:100%; float:none; margin-top:20px; clear:both;}
#bos_top{ display:none !important}
.navbar-default .navbar-nav>li>a{ padding:0 10px; font-size:14px;}
.navbar-default .dropdown-menu li ol{ display:none;}
#bos_prolist{ width:100%!important;}
.company{ margin:10px auto;}
#home_bg{padding:30px 0}
#home_list #tags,#home_list .bos_contactin{width:100%;margin:10px 0}
#bos_prolist{ width:100%!important;}
#bos_prolist ul{ width:40%!important;}
#home_list .home_company{ margin-bottom:15px; padding-top:9px;}
#home_list .qrcode{ float:left;}
.app_left{ width:40%;}
.app_right{ width:55%;}
.ourrange ul li ol li.product_con{ display:none;}
}

@media screen and (max-width:767px){
#header{ position:inherit;}
#container{ margin-top:0px;}
/* #bos_language{ margin:25px 10px 0 0; width:auto;} */
.top-nav{ width:100%; margin:0; border:none; padding:0}
.container-fluid,.dropdown-menu,.top-nav{padding:0}
.navbar,.navbar-default{background:#165DFF}
.navbar-toggle{width:40px;line-height:40px;font-size:20px;color:#fff;padding:2px 0;margin:0;border-radius:0;border:0;background:0}
.navbar-default .navbar-toggle:focus,.navbar-default .navbar-toggle:hover{background:0;color:#b2b2b2}
.navbar-default .navbar-nav li{display:block;width:100%;text-align:left; float:none}
.navbar-default .dropdown-menu{ width:100% !important; padding:0; left:0 !important;}
.navbar-default .dropdown-menu > li{ margin-bottom:0; padding-bottom:0; border-bottom:none;}
.navbar-default .navbar-nav>li> a{ margin:0px;}
.navbar-default .dropdown-menu li a{ overflow:hidden;}
.navbar-default .dropdown-menu li a img{ display:none;}
.navbar-default .dropdown-menu li a span{ width:100%; float:left; padding:0;box-shadow:none; border:none; margin:0; display:block; background:none; color:#666; font-weight:100;}
.navbar-default .dropdown-menus li a::after{ left:20px;}
.navbar-default .dropdown-menu li a:hover span{ box-shadow:none; color:#ff8f00;}
.navbar-default .navbar-nav li a{border-bottom:1px solid #999;color:#151515;background:#fff;padding:10px 10px 8px 10px; font-size:15px; border-radius:0; font-weight:100; white-space:normal;}
.navbar-default .navbar-nav .open .dropdown-menu li a{color:#666;background:#fff;font-size:14px; margin-bottom:0; padding:5px 10px 5px 30px; float:none;}
.navbar-default .navbar-nav li a.dq,.navbar-default .navbar-nav li a:hover{border-radius:0; color:#ff8f00 !important; background:#fff; border-bottom:1px solid #999;}
.navbar-default .navbar-nav>.open>a,.navbar-default .navbar-nav>.open>a:focus,.navbar-default .navbar-nav>.open>a:hover{background:#fff; color:#ff8f00; border-bottom:1px solid #999; border-right:none}
.navbar-default .navbar-nav .open .dropdown-menu>li>a:focus,.navbar-default .navbar-nav .open .dropdown-menu>li>a:hover{color:#ff8f00; background:#fff;}
.navbar-default .navbar-nav>.open>a:before,.navbar-default .navbar-nav>.open>a:focus:before,.navbar-default .navbar-nav>.open>a:hover:before,.navbar-default .navbar-nav>li>a.dq:before,.navbar-default .navbar-nav>li>a:hover:before{width:0;}

.bos_menu{ display:none;}

.table-responsive{border:none}
p.half{ width:100%;}
.bos_pdf a{ width:50%;}
.bos_products1 ul>li:nth-child(3n){ margin-right:2%;}
.bos_products1 ul>li:nth-child(3n+1){ clear:none;}
.bos_products ul li,.bos_products1 ul li{ width:49%; margin-right:2%}
.bos_products ul li:nth-child(2n),.bos_products1 ul li:nth-child(2n){margin-right:0}
.bos_products ul li:nth-child(2n+1),.bos_products1 ul li:nth-child(2n+1){clear:both}
.bos_products ul li ol li.product_img,.bos_products ul li ol li.product_con{ width:100%; float:none; text-align:center}
.bos_products ul li ol li.product_con a{ font-size:14px; padding-top:8px; text-align:center;}
.bos_products ul li ol li.product_con span{ display:none;}
.bos_products2>ul>li{ width:100%; margin-right:0;}
.bos_products2 ul li a.ptitle{ font-size:15px; width:100%; line-height:22px;}
.bos_products2 ul li ol{ width:100%; float:none; border:none; padding:0;}
.bos_products2 ul li ol:before{ content:normal;}
.bos_products2 ul li ol li.pimg{ width:100%; margin-right:0;}
.bos_products2 ul li ol li.ptxt{ width:100%; margin:10px 0 20px 0}
.bos_products2 ul li ol li.ptxt1{ display:none;}
#bos_contactin{ width:100%;}
#bos_set_feedback_form{ width:100%; margin:20px auto}
#bos_map .list_m a{ width:100%}
.bos_pic6 ul li{width:32%;}
.bos_pic6 ul li:nth-child(3n){ margin-right:0}
.bos_pic6 ul li:nth-child(3n+1){clear:both}
#bos_form #bos_set_feedback_form,#bos_form .bos_contactin{width:100%;margin:10px 0}
#bos_form .bos_contactin{height:auto}
/*------------------------*/
#chatbox,.location,.qrcode,.company_txt span,#bos_producttitle,#bos_banner,.productlist,.about_info p,.bos_products inquiry{display:none}
/*------------------------*/
.quicklink ul li{ width:48%; margin:0 4% 4% 0;}
.quicklink ul li:nth-child(2n){ margin-right:0;}
.protitle{ margin-top:20px;}
.mainpro ul>li{ width:49%; margin:0 2% 20px 0;}
.mainpro ul li:nth-child(4n){ margin-right:2%;}
.mainpro ul li:nth-child(4n+1){ clear:none}
.mainpro ul li:nth-child(2n){ margin-right:0;}
.mainpro ul li:nth-child(2n+1){ clear:both}
.appbg{ display:none;}

#home_list #tags{ display:none;}
.application{ padding-top:0px;}
.app_left{ width:100%;}
.app_right{ width:100%; padding-top:20px;}
.app_left .bos_hometitle{color: #6f6f6f; background:none; text-align:center; max-width:100%;font-family: mob;}
.app_left ul{ padding-top:5px;}
.ourrange ul>li{ width:50%; margin:0 0 20px 0; }
.ourrange ul li:nth-child(2n){ margin-right:0;}
.ourrange ul li:nth-child(2n+1){ clear:both}
.our_bg{ background:none;}
.ourrange{ padding-bottom:10px;}
.ourrange .bos_hometitle{color: #6f6f6f;}

.bos_team ul li{ width:32%; margin:0 2% 2% 0}
.bos_team ul li:nth-child(5n){ margin-right:2%}
.bos_team ul li:nth-child(5n+1){ clear:none}
.bos_team ul li:nth-child(3n){ margin-right:0}
.bos_team ul li:nth-child(3n+1){ clear:both}
}

@media screen and (max-width:650px){
.bos_pic4 ul li{width:49%;}
.bos_pic4 ul li:nth-child(2n){margin-right:0}
.bos_pic4 ul li:nth-child(2n+1){clear:both}
.bos_pic5 ul li{width:32%}
.bos_pic5 ul li:nth-child(5n){margin-right:2%}
.bos_pic5 ul li:nth-child(3n){margin-right:0}
.bos_pic5 ul li:nth-child(5n+1){clear:none}
.bos_pic5 ul li:nth-child(3n+1){clear:both}
.relatedpro ul li{ width:50%;}
.img_left,.img_right{width:100%; margin:10px 0}
ul.protable{ width:100%;}
.picbs{ width:100%;}
ul.protable li strong,ul.protable li span{ width:100%;}
.step{ width:100%;}
ul.proitem1 >li{ width:100%!important; float:left; padding-right:0;}
ul.proitem1 >li:nth-child(2n+1) a{ padding-right:0;}
.bos_team ul li{ width:48%;}
.bos_team ul li:nth-child(3n){margin-right:2%;}
.bos_team ul li:nth-child(3n+1){clear:none}
.bos_team ul li:nth-child(2n){margin-right:0px;}
.bos_team ul li:nth-child(2n+1){clear: both;}
.parli ul>li{ width:100%; margin-right:0; margin-bottom:15px;box-shadow: 0 0 0 0; border:none; min-height:inherit;}
}

@media screen and (max-width:480px){
.bos_pic2 ul li{width:100%}
.bos_pic3 ul li,.bos_pic3 ul li:nth-child(3n),.bos_pic5 ul li,.bos_pic6 ul li{width:49%;margin-right:2%}
.bos_pic3 ul li:nth-child(2n){margin-right:0}
.bos_pic3 ul li:nth-child(3n+1){clear:none}
.bos_pic3 ul li:nth-child(2n+1){clear:both}
.bos_pic5 ul li:nth-child(3n),.bos_pic5 ul li:nth-child(5n),.bos_pic6 ul li:nth-child(3n){margin-right:2%}
.bos_pic5 ul li:nth-child(2n),.bos_pic6 ul li:nth-child(2n){margin-right:0}
.bos_pic5 ul li:nth-child(2n+1),.bos_pic6 ul li:nth-child(2n+1){clear:both}
.bos_pic5 ul li:nth-child(3n+1),.bos_pic6 ul li:nth-child(3n+1){clear:none}
.otherpro>ul>li{ width:48%; margin-right:4%}
.otherpro>ul>li:nth-child(2n){ margin-right:0}
.otherpro>ul>li:nth-child(2n+1){ clear:both}
.bos_pdf a{ width:100%;}
.mainpro ul li{ width:100%; margin-right:0;}
.bos_products ul>li{ width:100%; margin-right:0}
.bos_other{ display:none;}
.videoall ul li{width: 100%;}
#bos_prolist ul{ display:none;}
.bos_team ul li{ width:100%; margin-right:0px;}
}

.carousel-wrapper {
      width: 100%;
      overflow: hidden;
      box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
      background: #fff;
    }

    /* Swiper 容器 */
    .swiper {
      width: 100%;
      height: auto;
      aspect-ratio: 16 / 7; /* 宽高比可根据需要调整 */
    }

    .swiper-slide {
      position: relative;
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
    }

    .swiper-slide img {
      display: block;
      width: 100%;
      height: 100%;
      transition: transform 0.3s;
    }

    /* 幻灯片内容（浮在图片上） */
    .slide-content {
      position: absolute;
      bottom: 12%;
      left: 8%;
      right: 8%;
      color: #fff;
      text-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
      max-width: 600px;
      pointer-events: none; /* 让点击穿透，避免干扰滑动 */
    }

    .slide-content h2 {
      font-size: clamp(1.8rem, 5vw, 3.5rem);
      font-weight: 700;
      letter-spacing: -0.02em;
      margin-bottom: 0.5rem;
      line-height: 1.2;
    }

    .slide-content p {
      font-size: clamp(1rem, 2vw, 1.25rem);
      opacity: 0.9;
      font-weight: 400;
      line-height: 1.6;
      max-width: 80%;
    }

    .swiper-horizontal {
        touch-action: pan-y;
    }
    .swiper {
        margin-left: auto;
        margin-right: auto;
        position: relative;
        overflow: hidden;
        list-style: none;
        padding: 0;
        z-index: 1;
        display: block;
    }
    /* cdn 引入 */
    .swiper-wrapper {
        position: relative;
        width: 100%;
        height: 100%;
        z-index: 1;
        display: flex;
        transition-property: transform;
        transition-timing-function: var(--swiper-wrapper-transition-timing-function,initial);
        box-sizing: content-box;
    }
    .swiper-backface-hidden .swiper-slide {
        transform: translateZ(0);
        -webkit-backface-visibility: hidden;
        backface-visibility: hidden;
    }
    .swiper-slide {
        flex-shrink: 0;
        width: 100%;
        height: 100%;
        position: relative;
        transition-property: transform;
        display: block;
    }
    .swiper-button-next, .swiper-rtl .swiper-button-prev {
        right: var(--swiper-navigation-sides-offset,10px);
        left: auto;
    }
    .swiper-button-next, .swiper-button-prev {
        position: absolute;
        top: var(--swiper-navigation-top-offset,50%);
        width: calc(var(--swiper-navigation-size)/ 44 * 27);
        height: var(--swiper-navigation-size);
        margin-top: calc(0px - (var(--swiper-navigation-size)/ 2));
        z-index: 10;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--swiper-navigation-color,var(--swiper-theme-color));
    }
    .swiper-button-prev, .swiper-rtl .swiper-button-next {
        left: var(--swiper-navigation-sides-offset,10px);
        right: auto;
    }
    .swiper-horizontal>.swiper-pagination-bullets, .swiper-pagination-bullets.swiper-pagination-horizontal, .swiper-pagination-custom, .swiper-pagination-fraction {
        bottom: var(--swiper-pagination-bottom,8px);
        top: var(--swiper-pagination-top,auto);
        left: 0;
        width: 100%;
    }
    .swiper-pagination {
        position: absolute;
        text-align: center;
        transition: .3s opacity;
        transform: translate3d(0,0,0);
        z-index: 10;
    }
    .swiper .swiper-notification {
        position: absolute;
        left: 0;
        top: 0;
        pointer-events: none;
        opacity: 0;
        z-index: -1000;
    }
    .swiper-horizontal>.swiper-pagination-bullets .swiper-pagination-bullet, .swiper-pagination-horizontal.swiper-pagination-bullets .swiper-pagination-bullet {
        margin: 0 var(--swiper-pagination-bullet-horizontal-gap,4px);
    }
    .swiper-pagination-clickable .swiper-pagination-bullet {
        cursor: pointer;
    }
    .swiper-pagination-bullet {
        width: var(--swiper-pagination-bullet-width,var(--swiper-pagination-bullet-size,8px));
        height: var(--swiper-pagination-bullet-height,var(--swiper-pagination-bullet-size,8px));
        display: inline-block;
        border-radius: var(--swiper-pagination-bullet-border-radius,50%);
        background: var(--swiper-pagination-bullet-inactive-color,#000);
        opacity: var(--swiper-pagination-bullet-inactive-opacity, .2);
    }
    .swiper-pagination-bullet-active {
        opacity: var(--swiper-pagination-bullet-opacity, 1);
        background: var(--swiper-pagination-color,var(--swiper-theme-color));
    }
    .swiper-pagination-bullet {
        width: 10px;
        height: 10px;
        opacity: 1;
        transition: all 0.3s;
    }
        

    /* 自定义导航按钮（毛玻璃效果） */
    .swiper-button-next,
    .swiper-button-prev {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      border: 1px solid rgba(255, 255, 255, 0.3);
      transition: all 0.2s;
      color: #d7dff1;
      font-size: 36px;
    }

    .swiper-button-next:hover,
    .swiper-button-prev:hover {
      transform: scale(1.05);
    }

    .swiper-button-next::after,
    .swiper-button-prev::after {
      font-size: 20px;
      font-weight: bold;
    }

    /* 分页器（圆点） */
    .swiper-pagination {
      bottom: 20px !important;
    }
    /* 圆点样式 */
    .swiper-pagination-bullet {
      width: 14px;
      height: 14px;
      background: rgba(255, 255, 255, 0.5);
      opacity: 1;
      transition: all 0.3s;
    }
    /* 选中圆点样式 */
    .swiper-pagination-bullet-active {
      background: #165DFF;
      width: 28px;
      border-radius: 6px;
      box-shadow: 0 0 12px rgba(255, 255, 255, 0.5);
    }

    /* 响应式微调 */
    @media (max-width: 768px) {
      .swiper {
        aspect-ratio: 16 / 9;
      }

      .slide-content {
        bottom: 8%;
        left: 6%;
        right: 6%;
      }

      .slide-content p {
        max-width: 100%;
        font-size: 0.95rem;
      }

      .swiper-button-next,
      .swiper-button-prev {
        display: none; /* 移动端隐藏箭头，依靠滑动 */
      }
    }

    /* 占位文字（无图备用） */
    .swiper-slide .placeholder {
      background: linear-gradient(135deg, #0f172a, #1e293b);
      width: 100%;
      height: 100%;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      color: #fff;
      text-align: center;
      padding: 2rem;
    }

    .swiper-slide .placeholder h2 {
      font-size: 3rem;
    }

    /* 轮播图内容样式 */
    .slide-content {
        top: 46%;
        left: 8%;
        transform: translateY(-50%);
        width: 45%;
        max-width: 560px;
        padding: 30px 35px;
        background: rgba(0, 0, 0, 0.55);
        border-left: 4px solid #00a8ff;
        border-radius: 0 12px 12px 0;
        color: #fff;
        text-align: left;
    }

    .slide-content h2 {
        font-size: 2.4rem;
        font-weight: 600;
        margin-bottom: 15px;
        color: #00a8ff; /* 标题用亮色突出 */
    }

    .slide-content p {
        font-size: 0.95rem;
        line-height: 1.6;
        opacity: 0.9;
        font-size: 14px;
    }
    /* 下拉框 */
    /* 让下拉菜单在父级 li 悬停时显示 */
    .top-nav .navbar-nav > li.dropdown:hover > .dropdown-menu {
        display: block;
        margin-top: 0; /* 去掉 Bootstrap 默认的上边距，避免闪烁 */
    }

    /* 移动端避免误触，仅在桌面端生效 */
    @media (min-width: 768px) {
        .top-nav .navbar-nav > li.dropdown:hover > .dropdown-menu {
            display: block;
        }
    }

    /* 保持下拉菜单的定位正确 */
    .dropdown-menu {
        margin-top: 0;
        border-top-left-radius: 0;
        border-top-right-radius: 0;
    }