@charset "utf-8";/* www.changhaihuanbao.com*/
/*20241015:新增cookie-consent样式*/
/*20241014:优化了.head-section的box-shadow属性，使阴影效果更加逼真*/
body{overflow-x:hidden;font-family:"PingFang SC","STHeitiSC-Light","微软雅黑","Helvetica Neue","Helvetica","Arial","Fontx",sans-serif;padding:0!important;margin:0!important;font-size:16px!important}
a,a:focus,a:hover{text-decoration:none;outline:0}
h1,h2,h3,h4,h5,h6{font-family:"PingFang SC","STHeitiSC-Light","微软雅黑","Helvetica Neue","Helvetica","Arial",sans-serif}
/*公用*/
p{line-height:1.5em;letter-spacing:0.5px}
button,input,select,textarea{outline:0!important}
ul{padding-left:0}
.container-fluid{max-width:1920px}
.hr{height:1px;width:30%;margin:30px auto;position:relative;line-height:1px}
.hr-inner{width:8px;height:9px;position:absolute;left:50%;top:-4px}

.logo a img{max-width:100%}
.item img{width:100%;height:100%}
.headline{display:block;margin:10px 0 5px 0}
.headline h2,.headline h3,.headline h4{margin:0 0 -2px 0;padding-right:6px;display:inline-block;font-size:1.5rem;line-height:normal}
.head-section{position:fixed;top:0;z-index:999;background-color:#fff;box-shadow:0 3px 6px 0 rgba(50,50,50,.3);-webkit-box-shadow: 0 3px 6px 0 rgba(50,50,50,.3);width:100%}
.head-section .navbar{margin-bottom:0}
.navbar{border:none;padding: 0}
.navbar-brand{padding:0;max-width:100%;}
.head-section .navbar-collapse ul.navbar-nav{z-index:199}
.head-section .navbar-nav .nav-link,.head-section .navbar-nav .nav-item.active ul.dropdown-menu li a{font-size:16px;font-weight:300;background:0 0}
ul.dropdown-menu{border:none}
.head-section .navbar-nav .nav-link.dropdown-toggle:focus,.head-section .navbar-nav .nav-link.dropdown-toggle:hover,.head-section .navbar-nav .nav-link:focus,.head-section .navbar-nav .nav-link:hover,.head-section .navbar-nav .nav-item.active a,.head-section .navbar-nav .nav-item.active a:hover,.head-section .navbar-nav .nav-item.active ul.dropdown-menu li a:hover,.head-section .navbar-nav .nav-item.active ul.dropdown-menu li.active a,.head-section .navbar .navbar-nav .nav-item.show>.nav-link,.head-section .navbar .navbar-nav .nav-item.show>.nav-link:focus,.head-section .navbar .navbar-nav .nav-item.show>.nav-link:hover,.head-section .navbar .navbar-nav .nav-item.show>.nav-link .caret,.navbar .nav-item.dropdown>.nav-link:focus .caret{-webkit-transition:all .3s ease;-moz-transition:all .3s ease;-ms-transition:all .3s ease;-o-transition:all .3s ease;transition:all .3s ease}
.head-section .navbar{min-height:85px}
.head-section .navbar-nav .nav-item{padding-bottom:25px;padding-top:30px}
.head-section .navbar-nav .nav-item:last-child(){margin-left:10px!important}
.head-section .navbar-nav .nav-item>a{padding-bottom:5px;padding-top:5px;border-radius:3px;-webkit-border-radius:3px;-moz-border-radius:3px;margin-left:2px;line-height:30px;-webkit-transition:all .3s ease;-moz-transition:all .3s ease;-ms-transition:all .3s ease;-o-transition:all .3s ease;transition:all .3s ease;font-weight:500}
.dropdown-menu{box-shadow:none}
.head-section .navbar-nav .nav-item .dropdown-menu{margin-top:-5px;padding:0;border-radius:0;-webkit-border-radius:0;-moz-border-radius:0}
.head-section .navbar-nav .nav-item .dropdown-menu li a{line-height:30px;padding:3px 12px}
.search{background:url(data:image/svg+xml;base64,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) no-repeat 10px 8px;margin-top:3px;border-radius:0;-webkit-border-radius:0;-moz-border-radius:0;width:20px;-webkit-transition:all .3s ease;-moz-transition:all .3s ease;-ms-transition:all .3s ease;-o-transition:all .3s ease;transition:all .3s ease;box-shadow:none;padding:0 3px 0 35px}
.search:focus{margin-top:3px;width:180px;box-shadow:none;-webkit-transition:all .3s ease;-moz-transition:all .3s ease;-ms-transition:all .3s ease;-o-transition:all .3s ease;transition:all .3s ease;margin-left:10px}
.feature-head,.ico-div{padding:15px}
.feature-head h1,.feature-head h2{font-size:30px;font-weight:600;text-transform:uppercase;margin-top:40px;margin-bottom:20px}
.feature-head p{font-size:18px;font-weight:300;text-align:center;padding-bottom:5px;margin-bottom:20px}
.accordion{margin-bottom:40px;display:inline-block;width:100%}
.tab .nav>li>a{padding:18px 15px}
.tab-bg-dark-navy-blue{border-bottom:none;padding:0}
.tab-bg-dark-navy-blue .nav>li>a:focus,.tab-bg-dark-navy-blue .nav>li>a:hover{text-decoration:none}
.card-heading .nav>li.active>a,.card-heading .nav>li.active>a:focus,.card-heading .nav>li.active>a:hover,.card-heading .nav>li>a{border-width:0;border-radius:0}
.tab .nav-tabs.nav-justified>li:last-child{border-right:none}
.p-head,.cmt-head{font-size:14px;font-weight:400}
.p-thumb img{border-radius:3px;-moz-border-radius:3px;-webkit-border-radius:3px;height:50px;width:50px}
#cookie-consent-banner{position:fixed;bottom:0;left:0;width:100%;background-color:#333;color:#fff;padding:10px;text-align:center;z-index:998;display:none}
#cookie-consent-banner .container{max-width:1200px;margin:0 auto;position:relative}
#cookie-consent-banner .close{position:absolute;top:5px;right:10px;color:#fff;font-size:20px;line-height:1;background:0 0;border:none;cursor:pointer}
#cookie-consent-banner p{margin-bottom:10px}
#cookie-consent-banner button{margin-left:10px}
#cookie-consent-banner a{color:#fff;text-decoration:none}

/*about-flex-slides*/
.flexslider{background:0 0;border:none}
ul.about-flex-slides{margin-left:0}
.flex-direction-nav{position:absolute;right:10px;top:30px;width:70px}
.flex-direction-nav li{display:inline-block;width:12px}
.flex-direction-nav li a{outline:0}
.flex-direction-nav li a i{color:#ccc}
.flex-control-paging{display:none}
/*.carousel-control.left,.carousel-control.right{background:0 0;-webkit-transition:all .3s ease;-moz-transition:all .3s ease;-ms-transition:all .3s ease;-o-transition:all .3s ease;transition:all .3s ease}
.carousel-control{background:#000!important;bottom:45%;color:#FFF;font-size:20px;left:0;line-height:60px;opacity:.5;position:absolute;text-align:center;text-shadow:0 0 0 transparent;top:40%;width:9%}
.carousel-control:hover{color:#FFF;text-decoration:none}
.carousel-control:focus,.carousel-control:hover{opacity:.6}
.carousel-caption{background:rgba(0,0,0,.6);padding-bottom:0;bottom:0;color:#FFF;left:0!important;padding-bottom:5px;padding-top:10px;position:absolute;right:0!important;text-align:center;text-shadow:0 0 0 transparent;z-index:10}*/
.carousel-caption p{text-align:center}
/*当前位置导航*/
/* breadcrumbs 样式已移至 theme.css */
/*联系我们页面*/
.contact-map{margin-top:40px;/* margin-bottom:40px; */}
.contact-form{margin-bottom:20px}
.address h4{margin-top:-3px;text-transform:uppercase;margin-bottom:20px}
section.contact-infos{margin-bottom:15px;padding:10px}
/*页面中ICO图标块全局通用*/
.icon-wrap{font-size:2.65em;height:60px;width:60px;float:left;line-height:60px;text-align:center;margin-right:30px}
.round-five{border-radius:5px;-moz-border-radius:5px;-webkit-border-radius:5px}/*ICO背景方形*/
.round-fifty{border-radius:50px;-moz-border-radius:50px;-webkit-border-radius:50px}/*ICO背景圆形*/
.content h3{margin-top:0;font-size:20px;text-align:left}
.content p{text-align:left;padding-left:90px}
/*内容页侧栏信息*/
.media h3{margin-top:20px;font-size:20px}
.media p{line-height:normal}
.media-body h4{font-size:16px;margin-top:0px}
.media-body a{-webkit-transition:all .3s ease;-moz-transition:all .3s ease;-ms-transition:all .3s ease;-o-transition:all .3s ease;transition:all .3s ease}
/*进度条*/
.about-skill-meter .sr-only{position:static!important}
.about-skill-meter .progress-bar{text-align:left}
.about-skill-meter .progress{height:30px;box-shadow:none;line-height:30px}
.about-skill-meter .progress-bar-danger{box-shadow:none}
.skill_bar_progress{width:0;padding-left:10px;padding-top:4px;border-radius:1px;-webkit-border-radius:1px;-moz-border-radius:1px;height:100%}
.skill_bar{width:100%;height:30px;margin-bottom:20px;border-radius:1px;-webkit-border-radius:1px;-moz-border-radius:1px;overflow:hidden}
#progressbar{width:100%;clear:both}
#progress{width:0;padding-left:8px;max-width:100%;float:left;-webkit-animation:progress 2s 1 forwards;-moz-animation:progress 2s 1 forwards;-ms-animation:progress 2s 1 forwards;animation:progress 2s 1 forwards}
@-webkit-keyframes progress{to{width:70%}
}
@-moz-keyframes progress{to{width:36%}
}
@-ms-keyframes progress{to{width:36%}
}
@keyframes progress{to{width:36%}
}
/*首字符带背景色变大*/
.dropcap{float:left;font-size:30px;line-height:30px;margin:4px 8px 0 0;padding:5px 10px;text-align:center}
.dropcap2{border-radius:50%;-moz-border-radius:50%;-webkit-border-radius:50%;float:left;font-size:35px;height:41px;line-height:25px;margin:3px 8px 0 0;padding:10px;text-align:center}
/*首字符带背景色变大*/
.blog-item{margin-bottom:15px;padding-bottom:40px}
.blog-flip{margin-bottom:15px;margin-top:15px}
.label-info{bopacity:.7;margin-right:4px}
.blog-content{padding:20px}
.blog-img img{max-width:100%}
.blog-item h1,.blog-item h1 a{font-size:36px;font-weight:300;margin-bottom:10px;line-height:48px}
.blog-item h1 a:hover{text-decoration:none}
.blog-item h2{font-size:1.4rem}
.blog-info{text-align:left;font-size:14px}
ul.blog-info>li{display:inline;margin-right:7px!important}

.article-content h2{clear:both;padding:10px 12px 8px;margin:1.5em auto .5em auto}
.article-content blockquote{overflow-wrap:break-word;font-size:14px}
.article-content blockquote p{font-weight:500;margin-bottom:5px;text-indent:unset}
.article-content blockquote p>strong {padding-left:1rem}
.article-content p{text-indent:2em;overflow-wrap:break-word;line-height: 2em;font-size: 1rem;}
/*.article-content p>strong{margin-left:-24px} 文章正文加粗后不缩进*/
.article-content img{-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px;margin-left:auto;margin-right:auto;display:block}
ul.list-paddingleft-2{margin-left:2em}
ul.list-paddingleft-2 p{text-indent:0}
/*修正WP默认*/
ul.wp-block-list{padding-left:3em}
ul.wp-block-list li{line-height:2em;font-size:1rem}
ul.wp-block-list li::marker{color:#0078d7}

.content-wntj li{padding:5px 0;overflow:hidden;height:36px;line-height:26px}
.content-wntj li i{font-size:12px;position:relative}
.content-wntj li a{-webkit-transition:all .3s ease;-moz-transition:all .3s ease;-ms-transition:all .3s ease;-o-transition:all .3s ease;transition:all .3s ease}
/*TAG*/
ul.tag{display:inline-block;width:100%}
ul.tag li{float:left;margin:0 5px 0 0;border-bottom:none;list-style:none;line-height:36px}
ul.tag li a{line-height:15px;padding:5px;border-radius:1px 1px 10px 1px;-moz-border-radius:1px 1px 10px 1px;-webkit-border-radius:1px 1px 10px 1px}
/*视频*/
.video-container{position:relative;padding-bottom:56.25%;padding-top:30px;height:0;overflow:hidden}
.video-container embed,.video-container iframe,.video-container object,.viframe{position:absolute;top:0;left:0;width:100%;height:100%}
/*页脚*/
.footer{padding:50px 0 0 0;display:block;width:100%;font-weight:300}
.footer-small{margin-top:-6px;padding-top:5px}
.footer h5{font-size:20px;text-transform:uppercase;font-weight:400;margin-top:0;margin-bottom:20px}
.footer-links{margin-top:-6px;padding-top:5px}
.footer-links-hr{padding: 0 30px}
/*友情链接*/
.friendship-link-footer{padding-top:5px}
.friendship-link-footer li{float:left;margin-right:5px}
.friendship-link-footer li a{font-size:small;-webkit-transition:all .3s ease;-moz-transition:all .3s ease;-ms-transition:all .3s ease;-o-transition:all .3s ease;transition:all .3s ease}
.friendship-link-footer li a:hover{-webkit-transition:all .3s ease;-moz-transition:all .3s ease;-ms-transition:all .3s ease;-o-transition:all .3s ease;transition:all .3s ease}
ol.unstyled,ul.unstyled{margin-left:0;list-style:none;margin-bottom:0}
/*版权声明*/
.copyright{padding:5px 0}
.copyright p{padding-top:8px}
.copb{padding-bottom:0}
.copb p{font-size:12px;line-height:14px;}
.address p{text-align:left;margin-bottom:10px;padding-top:4px}
/*SVG*/
.bottomsvg{position:relative;padding-bottom:40px;padding-top:40px;}
.bottomsvg p{font-size:20px;padding-top:10px}
.action-svg{position:absolute;top:0;width:100%}
.text-grid div{padding:0 10px}
.text-grid p{margin-bottom:10px}
/*图半透明，例：耗材列表*/
.image-caption a{padding:10px 15px}
#portfoliolist .portfolio{-webkit-box-sizing:border-box;-moz-box-sizing:border-box;-o-box-sizing:border-box;width:32%;margin-right:1%;margin-bottom:1%;display:inline-block;float:left;overflow:hidden}
.portfolio-wrapper{overflow:hidden;position:relative!important;cursor:pointer}
.portfolio img{max-width:100%;position:relative}
.portfolio-hover{overflow:hidden}
.image-caption{position:absolute;background:rgba(0,0,0,.5);width:100%;height:100%;padding-top:15%;padding-left:15px;padding-right:15px;text-align:center;z-index:2}
/*FAQ*/
#accordion .card-body{border-width:0 1px 1px 1px;border-style:solid}
#accordion .card{box-shadow:none;border:none}

.card{z-index:100;box-shadow:0 1px 1px rgba(0,0,0,.12);border-radius:1px;-moz-border-radius:1px;-webkit-border-radius:1px}
.card-heading{border-top-right-radius:1px;border-top-left-radius:1px;border:none}
.card-body,.card-group .card{border-radius:1px;-moz-border-radius:1px;-webkit-border-radius:1px}

/*表格*/
.form-control{border-radius:2px;box-shadow:none}
.form-control:focus{border:none}
.input-group-addon{border-radius:1px;-moz-border-radius:1px;-webkit-border-radius:1px}
#focusedInput,.form-control:focus{border:1px solid #517397;box-shadow:none}
.form-horizontal .control-label{font-weight:300;font-size:14px;text-align:left}
.btn-lg{border-radius:1px;-webkit-border-radius:1px;-moz-border-radius:1px}

/*通用图文列表*/
.thumbnail{padding:0px;margin-bottom:20px;border-radius:0px}
.thumbnail h4{margin:5px 0 0;text-align:center;font-size:1.4rem;overflow:hidden;height:1.4rem}
.thumbnail h4 a:hover{text-decoration:none}
.thumbnail img{width:100%}
.profile{margin-top:20px}/*探索我们的不同之处*/

/*通用文字列表自缩减*/
.n_list li{position:relative;height:36px;line-height:42px;overflow:hidden}
.n_list li i{/*font-size:16px*/}
.n_list .list_date{position:absolute;right:2px;text-align:right;top:0;z-index:100;font-size:10px;height:34px;line-height:16px;overflow:hidden;padding-right:2px;display:block;float:right;margin-top:10px}
.n_listwidth{display:inline}
.n_list_i{float:right}
.n_list_date{font-style:normal}

/*联系我们文字左右轮播*/
#quote-carousel{padding:0 10px 30px 10px;margin-top:30px 0 0}
#quote-carousel .carousel-control{background:0 0;font-size:2.3em;text-shadow:none;margin-top:30px}
#quote-carousel .carousel-control.left{left:-12px}
#quote-carousel .carousel-control.right{right:-12px!important}
#quote-carousel .carousel-indicators{right:50%;top:auto;bottom:0;margin-right:-19px}
#quote-carousel img{width:250px;height:100px}
.item blockquote{border-left:none;margin:0}
.item blockquote img{margin-bottom:10px}
.item blockquote p:before{content:"\e63b";font-family:fontx;float:left;margin-right:10px}

/*联系我们文字左右轮播*/
@media (max-width:768px){
#quote-carousel{margin-bottom:0;padding:30px}
#quote-carousel .carousel-indicators{bottom:-20px!important}
#quote-carousel .carousel-indicators li{display:inline-block;margin:0 5px;width:15px;height:15px}
#quote-carousel .carousel-indicators li.active{margin:0 5px;width:20px;height:20px}
}

@media only screen and (min-width:768px) and (max-width:980px){.container{width:768px}
.col-4 .item{margin-right:2%;margin-bottom:2%;width:47%}
}
/*修复导航左侧LOGO溢出问题*/
}
@media only screen and (max-width: 991px){
/*图半透明，例：耗材列表*/
.container{width:95%}
#portfoliolist .portfolio{width:97%;margin:2%}
#portfoliolist-three .portfolio{width:97%;margin:2%}
/*导航*/
.navbar-toggle{margin-top:12px}

.head-section .dropdown-menu li a:hover,.head-section .navbar-nav .nav-link.dropdown-toggle .dropdown-menu li a:hover,.head-section .navbar-nav .nav-link.dropdown-toggle:focus,.head-section .navbar-nav .nav-link:focus,.head-section .navbar-nav .nav-link:hover,.head-section .navbar-nav .nav-item.active a{color:#fff!important}
.head-section .navbar-nav .nav-item{margin-bottom:2px;padding:0}
.head-section .navbar-nav .nav-item ul.dropdown-menu li a{margin-left:0;color:#999!important}
.head-section .navbar-nav .nav-item .dropdown-menu li a:hover,.head-section .navbar-nav .nav-item .dropdown-menu li.active a{color:#fff!important}
.about-testimonial,.purchase-btn{margin-top:10px}
.about-testimonial,.purchase-btn{margin-top:0}
.purchase-btn{line-height:98px}
.social-link-footer li a{width:40px;height:40px;font-size:16px}

.navbar-brand{float:none}
.carousel-control{font-size:45px;line-height:45px}
.btn,.form-control{margin-bottom:10px}
.thumbnail{padding:0px;margin-bottom:10px}
}
@media only screen and (min-width:480px) and (max-width:767px){.container{width:70%}
}
@media (max-width: 767px) {
    html, body { overflow-x: hidden !important; }
    .container-fluid { max-width: 100vw !important; }
    .navbar.navbar-dark { overflow-x: visible !important; }
    .head-section .navbar { min-height: 60px !important; padding: 12px 0 !important; }
    .navbar-brand { float: left !important; margin-top: 10px !important; }
}
.feature-head,.ico-div{padding: 10px;}
.col-4 .item{margin-right:0;margin-bottom:2%;width:100%}
.carousel-control{font-size:18px;line-height:30px}
}

/*404页面*/
.error-inner{text-align:center;padding:1% 15px}
.fof{margin-top:-40px;position:relative;margin-bottom:-5px}
.fof h1{margin-top:0}
.video-background{right:0;bottom:0;min-width:100%;min-height:100%;width:auto;height:auto;z-index:-100;background-size:cover;text-align:center}
.video-background video{max-width:100%;object-fit:cover;text-align:center}

/*案例轮播左右导航*/
.owl-prev{float:left;padding:8px 20px;margin-left:2px;border-radius:2px;-webkit-border-radius:2px;-moz-border-radius:2px;margin-top:5px;background-color:#eee}
.owl-next{float:right;padding:8px 20px;margin-right:2px;border-radius:2px;-webkit-border-radius:2px;-moz-border-radius:2px;margin-top:5px;background-color:#eee}

/*导航菜单*/
.dropdown-submenu{position:relative}
.dropdown-submenu>.dropdown-menu{top:0;left:100%;margin-top:0;margin-left:-1px;-webkit-border-radius:1px;-moz-border-radius:1px;border-radius:1px}
.dropdown-submenu:hover>.dropdown-menu{display:block}
.dropdown-submenu>a:after{display:block;content:"";float:right;width:0;height:0;border-color:transparent;border-style:solid;border-width:5px 0 5px 5px;margin-top:9px;margin-right:-10px}
.dropdown-submenu.pull-left{float:none}
.dropdown-submenu.pull-left>.dropdown-menu{left:-100%;margin-left:10px;-webkit-border-radius:1px;-moz-border-radius:1px;border-radius:1px}

/*按钮*/
.btn{border-radius:3px;-webkit-border-radius:3px;-moz-border-radius:3px;border:1px solid transparent;font-weight:500}
.btn:active{-webkit-box-shadow:inset 0 3px 5px rgba(0,0,0,.125);-moz-box-shadow:inset 0 3px 5px rgba(0,0,0,.125);box-shadow:inset 0 3px 5px rgba(0,0,0,.125)}
.btn:focus{outline:0}
.btn.btn-default,.btn.btn-default.hover,.btn.btn-default:active,.btn.btn-default:hover,.btn.btn-default.btn-flat{-webkit-transition:all .3s ease;-moz-transition:all .3s ease;-ms-transition:all .3s ease;-o-transition:all .3s ease;transition:all .3s ease}
.btn.btn-primary,.btn.btn-primary.hover,.btn.btn-primary:active,.btn.btn-primary:hover,.btn.btn-success,.btn.btn-success.hover,.btn.btn-success:active,.btn.btn-success:hover,.btn.btn-info,.btn.btn-info.hover,.btn.btn-info:active,.btn.btn-info:hover,.btn.btn-danger,.btn.btn-danger.hover,.btn.btn-danger:active,.btn.btn-danger:hover,.btn.btn-warning,.btn.btn-warning.hover,.btn.btn-warning:active,.btn.btn-warning:hover{border:none;-webkit-transition:all .3s ease;-moz-transition:all .3s ease;-ms-transition:all .3s ease;-o-transition:all .3s ease;transition:all .3s ease}
.btn.btn-flat{-webkit-border-radius:0;-moz-border-radius:0;border-radius:0;-webkit-box-shadow:none;-moz-box-shadow:none;box-shadow:none;border-width:1px}
.btn.btn-file{position:relative;width:120px;height:35px;overflow:hidden}
.btn.btn-file>input[type=file]{display:block!important;width:100%!important;height:35px!important;opacity:0!important;position:absolute;top:-10px;cursor:pointer}
.btn.btn-app{position:relative;padding:15px 5px;margin:0 0 10px 10px;min-width:80px;height:60px;-webkit-box-shadow:none;-moz-box-shadow:none;box-shadow:none;-webkit-border-radius:0;-moz-border-radius:0;border-radius:0;text-align:center;color:#666;border:1px solid #ddd;background-color:#fafafa;font-size:12px}
.btn.btn-app>.fa,.btn.btn-app>.bi,.btn.btn-app>.ion{font-size:20px;display:block}
.btn.btn-app:hover{background:#f4f4f4;color:#444;border-color:#aaa}
.btn.btn-app:active,.btn.btn-app:focus{-webkit-box-shadow:inset 0 3px 5px rgba(0,0,0,.125);-moz-box-shadow:inset 0 3px 5px rgba(0,0,0,.125);box-shadow:inset 0 3px 5px rgba(0,0,0,.125)}
.btn.btn-app>.badge{position:absolute;top:-3px;right:-10px;font-size:10px;font-weight:400}
.btn.btn-social-old{-webkit-box-shadow:none;-moz-box-shadow:none;box-shadow:none;opacity:.9;padding:0}
.btn.btn-social-old>.fa{padding:10px 0;width:40px}
.btn.btn-social-old>.fa+span{border-left:1px solid rgba(255,255,255,.3)}
.btn.btn-social-old span{padding:10px}
.btn.btn-social-old:hover{opacity:1}
.btn.btn-circle{width:30px;height:30px;line-height:30px;padding:0;-webkit-border-radius:50%;-moz-border-radius:50%;border-radius:50%}
.btn-round{border-radius:30px;-webkit-border-radius:30px}
.btn-white{background-clip:padding-box}

/*图片列表点击本页面放大*/
.mfp-fade.mfp-bg{opacity:0;-webkit-transition:all .3s ease-out;-moz-transition:all .3s ease-out;transition:all .3s ease-out}
.mfp-fade.mfp-bg.mfp-ready{opacity:.8}
.mfp-fade.mfp-bg.mfp-removing{opacity:0}
.mfp-fade.mfp-wrap .mfp-content{opacity:0;-webkit-transition:all .3s ease-out;-moz-transition:all .3s ease-out;transition:all .3s ease-out}
.mfp-fade.mfp-wrap.mfp-ready .mfp-content{opacity:1}
.mfp-fade.mfp-wrap.mfp-removing .mfp-content{opacity:0}
.view-sixth img{-webkit-transition:all .4s ease-in-out .5s;-moz-transition:all .4s ease-in-out .5s;-o-transition:all .4s ease-in-out .5s;-ms-transition:all .4s ease-in-out .5s;transition:all .4s ease-in-out .5s}
.view-sixth .mask{-ms-filter:"progid: DXImageTransform.Microsoft.Alpha(Opacity=0)";filter:alpha(opacity=0);opacity:0;-webkit-transition:all .3s ease-in .4s;-moz-transition:all .3s ease-in .4s;-o-transition:all .3s ease-in .4s;-ms-transition:all .3s ease-in .4s;transition:all .3s ease-in .4s}
.view-sixth a.info{-ms-filter:"progid: DXImageTransform.Microsoft.Alpha(Opacity=0)";filter:alpha(opacity=0);opacity:0;-webkit-transform:translateY(100px);-moz-transform:translateY(100px);-o-transform:translateY(100px);-ms-transform:translateY(100px);transform:translateY(100px);-webkit-transition:all .3s ease-in-out .1s;-moz-transition:all .3s ease-in-out .1s;-o-transition:all .3s ease-in-out .1s;-ms-transition:all .3s ease-in-out .1s;transition:all .3s ease-in-out .1s}
.view-sixth:hover .mask{-ms-filter:"progid: DXImageTransform.Microsoft.Alpha(Opacity=100)";filter:alpha(opacity=100);opacity:1;-webkit-transition-delay:0s;-moz-transition-delay:0s;-o-transition-delay:0s;-ms-transition-delay:0s;transition-delay:0s}
.view-sixth:hover img{-webkit-transition-delay:0s;-moz-transition-delay:0s;-o-transition-delay:0s;-ms-transition-delay:0s;transition-delay:0s}
.view-sixth:hover a.info{-ms-filter:"progid: DXImageTransform.Microsoft.Alpha(Opacity=100)";filter:alpha(opacity=100);opacity:1;-webkit-transform:translateY(0);-moz-transform:translateY(0);-o-transform:translateY(0);-ms-transform:translateY(0);transform:translateY(0);-webkit-transition-delay:.3s;-moz-transition-delay:.3s;-o-transition-delay:.3s;-ms-transition-delay:.3s;transition-delay:.3s}
.view{float:left;overflow:hidden;position:relative;text-align:center;cursor:default}
.view .content,.view .mask{position:absolute;overflow:hidden;top:0;left:0}
.view img{display:block;position:relative}
.view a.info{display:inline-block;text-decoration:none;position:relative;top:35%}
/*页数*/
.pagination>.active>a,.pagination>.active>a:focus,.pagination>.active>a:hover,.pagination>.active>span,.pagination>.active>span:focus,.pagination>.active>span:hover{cursor:default;z-index:2}
/*分享*/
figure.img-box img{max-width:100%}
.share-feed{position:relative;overflow:hidden}
.share-feed .img-box{position:relative}
.share-feed .overlay{position:absolute;margin:10px;left:0;top:0;right:0;bottom:0}
.share-feed .inner-box{position:relative;padding-left:70px;margin-bottom:32px}
.share-feed .inner-box .logo{position:absolute;left:0;top:0}
.share-feed .inner-box h5{font-weight:600;position:relative;margin-top:0;margin-bottom:3px;font-size:16px}
.share-feed .link a{display:inline-block;line-height:22px;font-size:13px;text-align:center;padding:0 10px;float:right}
.share-feed .link a i.mail{margin-right:6px}
.share-feed .like-people{padding:10px}
.social-share a{position:relative;text-decoration:none;margin:4px;display:inline-block;outline:0}
.social-share .social-share-icon{position:relative;display:inline-block;width:42px;height:41px;font-size:36px;border-radius:50%;line-height:40px;text-align:center;vertical-align:middle;transition:background .6s ease-out 0s}
.social-share .icon-wechat{position:relative}
.social-share .icon-wechat .wechat-qrcode{display:none;position:absolute;z-index:9;top:-205px;left:-84px;width:200px;height:192px;font-size:12px;text-align:center;box-shadow:0 2px 10px #aaa;transition:all .2s;-webkit-tansition:all 350ms;-moz-transition:all 350ms}
.social-share .icon-wechat .wechat-qrcode.bottom{top:40px;left:-84px}
.social-share .icon-wechat .wechat-qrcode.bottom:after{display:none}
.social-share .icon-wechat .wechat-qrcode h4{font-weight:400;height:26px;line-height:26px;font-size:12px;margin:0;padding:0}
.social-share .icon-wechat .wechat-qrcode .qrcode{width:105px;margin:10px auto}
.social-share .icon-wechat .wechat-qrcode .qrcode table{margin:0!important}
.social-share .icon-wechat .wechat-qrcode .help p{font-weight:400;line-height:16px;padding:0;margin:0}
.social-share .icon-wechat .wechat-qrcode:after{content:'';position:absolute;left:50%;margin-left:-6px;bottom:-13px;width:0;height:0;border-width:8px 6px 6px 6px;border-style:solid;border-color:#fff transparent transparent transparent}
.social-share .icon-wechat:hover .wechat-qrcode{display:block}
/*警告和提示框架*/
.alert{position:relative}
.alert h4{text-indent:2rem}
.alert_ul{margin-left:32px}
.alert:after{position:absolute;top:12px;font-size:20px;left:10px}
/*https://www.changhaihuanbao.com/service/maintenance/这个页面的*/
.main-banner{color:#fff;padding:1.3rem 0;margin-top:95px;overflow:hidden;position:relative}
.main-banner img{position:absolute;top:50%;left:50%;min-height:100%;min-width:100%;-webkit-transform:translate(-50%,-50%);-ms-transform:translate(-50%,-50%);transform:translate(-50%,-50%);z-index:-1}
.main-banner-title{padding:1rem;background-color:#fff;background-color:rgba(0,0,0,.5);display:inline-block;min-width:50%;color:#fff}
.main-banner-title h1{letter-spacing:.5px;margin-bottom:20px;text-transform:uppercase}
.caption{padding:0}
.caption h3 {font-size: 18px;margin-top: 10px}

/*返回顶部*/
#back-to-top{display:none;position:fixed;bottom:84px;right:16px;height:40px;width:40px;cursor:pointer;text-align:center;font-size:1.5rem;font-style:normal;-webkit-border-radius:2px;-moz-border-radius:2px;border-radius:2px;opacity:.5;-webkit-transition:all .3s ease;-moz-transition:all .3s ease;-ms-transition:all .3s ease;-o-transition:all .3s ease;transition:all .3s ease}
#back-to-top:before{content:"\e635";font-family:Fontx}
#back-to-top:hover{-ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=80)";filter:alpha(opacity=80);opacity:.8;-webkit-transition:all .3s ease;-moz-transition:all .3s ease;-ms-transition:all .3s ease;-o-transition:all .3s ease;transition:all .3s ease}

/* 昌海环保 AI 客服样式 */

:root {
    --primary-color: #1E88E5;
    --secondary-color: #f5f5f5;
    --text-color: #333;
    --border-color: #e0e0e0;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

#changhai-ai-chat-widget {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 9999;
    font-family: Arial, sans-serif;
}

.chat-button {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50px;
    padding: 12px 20px;
    cursor: pointer;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.chat-button:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.chat-icon {
    font-size: 20px;
    margin-right: 8px;
}

.chat-window {
    position: absolute;
    bottom: 60px;
    right: 0;
    width: 350px;
    height: 450px;
    background-color: white;
    border-radius: 10px;
    box-shadow: var(--shadow);
    display: none;
    flex-direction: column;
    overflow: hidden;
}

.chat-window.active {
    display: flex;
}

.chat-header {
    background-color: var(--primary-color);
    color: white;
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-header h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
}

.close-button {
    background: none;
    border: none;
    color: white;
    font-size: 20px;
    cursor: pointer;
    padding: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-messages {
    flex: 1;
    padding: 15px;
    overflow-y: auto;
    background-color: var(--secondary-color);
}

.message {
    margin-bottom: 15px;
    max-width: 80%;
}

.user-message {
    align-self: flex-end;
    margin-left: auto;
}

.ai-message {
    align-self: flex-start;
}

.message-content {
    padding: 10px 15px;
    border-radius: 18px;
    line-height: 1.4;
}

.user-message .message-content {
    background-color: var(--primary-color);
    color: white;
    border-bottom-right-radius: 4px;
}

.ai-message .message-content {
    background-color: white;
    color: var(--text-color);
    border-bottom-left-radius: 4px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.chat-input-area {
    display: flex;
    padding: 10px;
    border-top: 1px solid var(--border-color);
    background-color: white;
}

#chat-input {
    flex: 1;
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 14px;
    resize: none;
    outline: none;
}

#chat-input:focus {
    border-color: var(--primary-color);
}

#send-button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    margin-left: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

#send-button:hover {
    background-color: #1976D2;
    transform: scale(1.05);
}

#send-button:disabled {
    background-color: #BDBDBD;
    cursor: not-allowed;
    transform: none;
}

/* 留线索表单 */
.lead-form {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: white;
    padding: 20px;
    box-sizing: border-box;
    overflow-y: auto;
}

.lead-form h4 {
    margin-top: 0;
    color: var(--text-color);
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-size: 14px;
    color: var(--text-color);
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    box-sizing: border-box;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-actions {
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
}

.submit-button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

.submit-button:hover {
    background-color: #1976D2;
}

.cancel-button {
    background-color: #f5f5f5;
    color: var(--text-color);
    border: 1px solid var(--border-color);
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

.cancel-button:hover {
    background-color: #e0e0e0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    #changhai-ai-chat-widget {
        bottom: 20px;
        right: 20px;
    }
    
    .chat-window {
        width: 300px;
        height: 400px;
    }
}

@media (max-width: 480px) {
    .chat-window {
        width: 280px;
        height: 380px;
    }
    
    .chat-button {
        padding: 10px 15px;
    }
    
    .chat-icon {
        font-size: 18px;
    }
}

/* 滚动条样式 */
.chat-messages::-webkit-scrollbar,
.lead-form::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track,
.lead-form::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

.chat-messages::-webkit-scrollbar-thumb,
.lead-form::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 10px;
}

.chat-messages::-webkit-scrollbar-thumb:hover,
.lead-form::-webkit-scrollbar-thumb:hover {
    background: #a1a1a1;
}

/* 加载状态 */
.loading-message {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
}

.loading-dots {
    display: flex;
    gap: 4px;
}

.loading-dot {
    width: 8px;
    height: 8px;
    background-color: var(--primary-color);
    border-radius: 50%;
    animation: loading 1.4s infinite ease-in-out both;
}

.loading-dot:nth-child(1) {
    animation-delay: -0.32s;
}

.loading-dot:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes loading {
    0%, 80%, 100% {
        transform: scale(0);
    }
    40% {
        transform: scale(1);
    }
}

/* 错误消息 */
.error-message {
    background-color: #ffebee;
    color: #c62828;
    padding: 10px;
    border-radius: 8px;
    margin: 10px 0;
    font-size: 14px;
}

/* 成功消息 */
.success-message {
    background-color: #e8f5e8;
    color: #2e7d32;
    padding: 10px;
    border-radius: 8px;
    margin: 10px 0;
    font-size: 14px;
}
/* =========================================
   滑块验证码 - 合并至 CDN
   主题色: #0078d7 | 基于 Bootstrap v3.3.7
   ========================================= */

.changhai-captcha-modal {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 99999;
    display: none;
}
.changhai-captcha-modal.show { display: block; }

.captcha-modal-overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.45);
}

.captcha-modal-container {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 90%; max-width: 400px;
}

.captcha-modal-content {
    background: #fff;
    border-radius: 4px;
    padding: 24px;
    position: relative;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.captcha-modal-close {
    position: absolute;
    top: 12px; right: 12px;
    width: 28px; height: 28px;
    border: none; background: transparent;
    font-size: 22px; line-height: 1;
    cursor: pointer; color: #999;
    border-radius: 50%;
    transition: background 0.2s;
}
.captcha-modal-close:hover { background: #f0f0f0; color: #333; }

.captcha-modal-title {
    margin: 0 0 4px;
    font-size: 16px; font-weight: 600; color: #333;
}

.captcha-modal-desc {
    margin: 0 0 16px;
    font-size: 13px; color: #777;
}

/* 滑块 */
.captcha-slider-wrapper { margin: 16px 0; }

.captcha-slider {
    position: relative;
    height: 34px;
    background: #f0f0f0;
    border-radius: 4px;
    overflow: hidden;
}

.slider-track {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    cursor: pointer;
}

.slider-progress {
    position: absolute;
    top: 0; left: 0;
    height: 100%;
    background: linear-gradient(90deg, #0078d7 0%, #0091f7 100%);
    width: 0%;
    transition: width 0.05s;
}

.slider-thumb {
    position: absolute;
    top: 0; left: 0;
    width: 34px; height: 34px;
    background: #fff;
    border: 2px solid #0078d7;
    border-radius: 4px;
    cursor: grab;
    display: flex; align-items: center; justify-content: center;
    font-size: 16px; color: #0078d7;
    user-select: none;
    touch-action: none;
    -webkit-user-select: none;
}
.slider-thumb:active { cursor: grabbing; }
.slider-thumb::before { content: '\2192'; }

/* 提示 */
.captcha-tips {
    text-align: center;
    margin: 12px 0 0;
    font-size: 13px; color: #666;
    min-height: 18px;
}
.captcha-tips.error { color: #d32f2f; }
.captcha-tips.success { color: #0078d7; font-weight: 600; }

@media (max-width: 480px) {
    .captcha-modal-content { padding: 16px; }
    .captcha-slider { height: 32px; }
    .slider-thumb { width: 32px; height: 32px; }
}

/* 产品卡片内边距归零 */
.pad-0 { padding: 0 !important; }

/* =============================================
   404 page — Bootstrap 5 + modern refactor
   ============================================= */
.fof-container { padding: 0; }

/* 视频上方文字叠加层 */
.fof-overlay {
  position: absolute;
  top: 5%;
  left: 50%;
  transform: translateX(-50%);
  width: min(90%, 580px);
}
.fof-title-xs { color: #0087d7; font-size: 1.5rem; }
.fof-title { color: #0087d7; }
.fof-btn-gap { margin-bottom: 15px; }
.fof-btn-row { margin-bottom: 0; }
.fof-btn-mt-xs { margin-top: 10px; }
.fof-btn-ms-sm { margin-left: 10px; }

/* Bootstrap 5 替代 pull-right */
.breadcrumb { justify-content: flex-end; }
@media (max-width: 576px) {
  .fof-title { display: none; }
  .fof-title-xs { display: block !important; }
}
@media (min-width: 577px) {
  .fof-title-xs { display: none; }
  .fof-title { display: block !important; }
}

/* =============================================
   category-technologies-purewater.php
   skill bar: extract overflow:hidden + text-indent
   ============================================= */
.skill_bar_progress { overflow: hidden; }
.text-indent-2em { text-indent: 2em; }
/* skill bar widths (formerly inline styles) */
.skill_bar_w-98 { width: 98%; }
.skill_bar_w-82 { width: 82%; }
.skill_bar_w-55 { width: 55%; }
.skill_bar_w-2  { width: 2%; }

/* =============================================
   Bootstrap 5 flat button override
   (btn-flat was a BS3 class, kept for backward compat)
   ============================================= */
.btn-flat {
  border-radius: 0 !important;
  box-shadow: none !important;
  -webkit-box-shadow: none !important;
}

/* =============================================
   Bootstrap 5 btn-secondary fallback
   (BS5 dropped btn-secondary, map to primary for consistency)
   ============================================= */
.btn-secondary {
  background-color: var(--primary-color, #1E88E5);
  color: #fff;
  border-color: var(--primary-color, #1E88E5);
}
.btn-secondary:hover {
  background-color: #1565c0;
  color: #fff;
  border-color: #1565c0;
}

/* =============================================
   BS5 Utility Fallbacks — missing BS4/BS3 patterns
   ============================================= */

/* BS4 removed these, add minimal support */
.float-start { float: left; }
.float-end   { float: right; }


/* Border-radius overrides for flat look */
.rounded-0 { border-radius: 0 !important; }

/* mar-b-* utility classes used across templates */
.mar-b-5  { margin-bottom: 5px; }
.mar-b-10 { margin-bottom: 10px; }
.mar-b-15 { margin-bottom: 15px; }
.mar-b-20 { margin-bottom: 20px; }
.mar-b-30 { margin-bottom: 30px; }
.mar-b-40 { margin-bottom: 40px; }
.mar-b-50 { margin-bottom: 50px; }
.mar-t-10 { margin-top: 10px; }
.mar-t-20 { margin-top: 20px; }

/* pad-b-* utility classes */
.pad-b-10 { padding-bottom: 10px; }
.pad-b-20 { padding-bottom: 20px; }

/* bg-gray used in category pages (gray-bg class already exists) */
.bg-gray { background-color: #f5f5f5; }

/* text-center fallback */
.text-center { text-align: center; }

/* align-right — BS5 replaced with text-end or .text-end */
.align-right { text-align: right; }
.text-right { text-align: right; }

/* wow.js animation support (already loaded, ensure compatibility) */
.wow { visibility: hidden; }
.wow.animated { visibility: visible; }

/* =============================================
   shortcodes + captcha modal inline styles
   ============================================= */
.myvideo-placeholder {
  padding: 20px;
  background: #f0f0f1;
  border: 1px dashed #8c8f94;
}
.changhai-captcha-modal { display: none; }

/* 通用区块样式 */
.feature-head {
  padding: 15px;
}
.feature-head h2 {
  font-size: 30px;
  font-weight: 600;
  text-transform: uppercase;
  color: #333;
  margin: 40px 0 20px;
}
.feature-head p {
  font-size: 18px;
  font-weight: 300;
  text-align: center;
  padding-bottom: 5px;
  margin-bottom: 20px;
  color: #333;
}
.bg-gray {
  background-color: #f4f4f4 !important;
}

/* Bootstrap 3 兼容修复 */
.pad-0 {
  padding: 0 !important;
}
.mar-b-30 {
  margin-bottom: 30px;
}
.col-md-4, .col-sm-4, .col-xs-6 {
  float: left;
}
.col-md-8 {
  float: left;
}
.col-lg-4, .col-lg-8 {
  float: left;
}
.col-lg-2 {
  float: left;
}
.fr {
  float: right;
}

/* 隐藏 BS5 默认的下拉箭头，因为使用了自己的 fontx 图标 */
.dropdown-toggle::after {
    display: none !important;
}

/* 强制 navbar-dark 的汉堡图标在白色背景上可见 */
.head-section .navbar-dark .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(33, 37, 41, 0.75)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* BS5 移动端导航菜单样式 */
@media (max-width: 991px) {
    .head-section .navbar-collapse {
        background-color: #fff;
        padding: 10px 0;
        border-top: 1px solid #eee;
    }
    .head-section .navbar-nav .nav-item {
        padding: 0 !important;
        margin: 0 !important;
    }
    .head-section .navbar-nav .nav-link {
        padding: 12px 15px !important;
        border-bottom: 1px solid #f0f0f0;
        color: #333;
    }
    .head-section .navbar-nav .nav-link:hover {
        background-color: #f8f8f8;
        color: #0078d7;
    }
    .head-section .navbar-nav .nav-item .dropdown-menu {
        position: static !important;
        float: none !important;
        width: 100%;
        background-color: #f8f8f8;
        box-shadow: none;
        padding-left: 20px;
    }
    .head-section .navbar-nav .nav-item .dropdown-menu .dropdown-item {
        padding: 10px 15px;
        color: #555;
        border-bottom: 1px solid #eee;
    }
    .head-section .navbar-nav .nav-item .dropdown-menu .dropdown-item:hover {
        background-color: #0078d7;
        color: #fff;
    }
    .navbar-toggler {
        padding: 8px 12px;
    }
    .navbar-toggler:focus {
        box-shadow: none;
    }
}

/* =============================================
   Footer BS5 兼容更新
   ============================================= */

/* footer 列布局（BS5 flex 无需 float） */
.footer nav > .row {
    display: flex;
    flex-wrap: wrap;
    margin: 0;
}
.footer nav > .row > .col-6 {
    flex: 0 0 50%;
    max-width: 50%;
    padding: 0 12px;
}
@media (max-width: 991px) {
    .footer nav > .row > .col-6 {
        flex: 0 0 50%;
        max-width: 50%;
    }
}
@media (max-width: 575px) {
    .footer nav > .row > .col-6 {
        flex: 0 0 100%;
        max-width: 100%;
        margin-bottom: 24px;
    }
}

/* 清除浮动残留（friendship links） */
.friendship-link-footer {
    display: flex;
    flex-wrap: wrap;
    padding-top: 5px;
    list-style: none;
    margin: 0;
    padding-left: 0;
}
.friendship-link-footer li {
    float: none;
    margin-right: 16px;
}