/* MAGSENS 响应式站点样式 - 浅色主题 / 主色科技蓝 */
:root{
  --primary:#01a2ea;
  --primary-dark:#0a7fb8;
  --text:#1f2d3d;
  --text-sub:#5b6b7c;
  --line:#e6ecf2;
  --bg:#ffffff;
  --bg-soft:#f5f8fa;
  --radius:6px;
  --wrap:1200px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  color:var(--text);background:var(--bg);font-size:15px;line-height:1.7;
  -webkit-text-size-adjust:100%;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block;border:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.4}
p{margin:0 0 10px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 15px}
.btn{display:inline-block;padding:9px 22px;background:var(--primary);color:#fff;border-radius:var(--radius);border:1px solid var(--primary);transition:.25s;font-size:14px;cursor:pointer}
.btn:hover{background:var(--primary-dark);border-color:var(--primary-dark)}
.btn.ghost{background:transparent;color:var(--primary)}
.btn.ghost:hover{background:var(--primary);color:#fff}
.btn.small{padding:5px 14px;font-size:13px}
.muted{color:var(--text-sub)}
.empty{padding:40px 0;text-align:center;color:var(--text-sub)}

/* 顶部条 */
.topbar{background:#0d3b66;color:#cfe6f5;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;min-height:36px;flex-wrap:wrap}
.topbar-right{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.topbar-tel b{color:#fff}
.langbox{display:flex;align-items:center;gap:6px}
.langbox a{color:#9fc4dd}
.langbox a.on,.langbox a:hover{color:#fff;font-weight:600}

/* Header */
.header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:60}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:78px;gap:16px}
.logo img{max-height:52px;width:auto}
.logo-text{font-size:26px;font-weight:700;color:var(--primary);letter-spacing:1px}
.nav>ul{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.nav>ul>li{position:relative}
.nav>ul>li>a{display:block;padding:26px 14px;font-size:15px;color:var(--text);transition:.2s}
.nav>ul>li>a:hover,.nav>ul>li>a.on{color:var(--primary)}
.nav>ul>li>a.on::after{content:"";position:absolute;left:14px;right:14px;bottom:14px;height:2px;background:var(--primary)}
.nav ul ul{display:none;position:absolute;top:100%;left:0;min-width:190px;background:#fff;box-shadow:0 6px 18px rgba(15,40,70,.12);border-top:2px solid var(--primary);z-index:70}
.nav ul ul li a{display:block;padding:10px 16px;font-size:14px;border-bottom:1px solid #f1f5f9;color:var(--text)}
.nav ul ul li a:hover{background:var(--bg-soft);color:var(--primary)}
.nav li:hover>ul{display:block}
.nav-toggle{display:none;width:42px;height:36px;background:none;border:1px solid var(--line);border-radius:4px;cursor:pointer;padding:8px}
.nav-toggle span{display:block;height:2px;background:var(--text);margin:4px 0;transition:.2s}

/* 面包屑 */
.crumb{background:var(--bg-soft);border-bottom:1px solid var(--line);font-size:13px}
.crumb .wrap{padding-top:10px;padding-bottom:10px;color:var(--text-sub)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{margin:0 8px}
.crumb .cur{color:var(--primary)}

/* 轮播 */
.slider{position:relative;overflow:hidden;background:#0a4f8a}
.slider-track{position:relative;height:420px}
.slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity .8s}
.slide.active{opacity:1}
.slide-link{position:absolute;inset:0}
.slide-txt{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);color:#fff;text-align:center}
.slide-txt h2{font-size:52px;letter-spacing:6px}
.slider-dots{position:absolute;bottom:18px;left:0;right:0;text-align:center}
.slider-dots span{display:inline-block;width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.5);margin:0 5px;cursor:pointer}
.slider-dots span.on{background:#fff;width:24px;border-radius:6px}

/* 通用区块 */
.section{padding:56px 0}
.section-about{background:var(--bg-soft)}
.section-contact{background:#f9fbfc}
.sec-head{text-align:center;margin-bottom:30px;position:relative}
.sec-head h2{font-size:28px;color:var(--text)}
.sec-head p{color:var(--text-sub);font-size:13px;letter-spacing:2px;text-transform:uppercase;margin-top:4px}
.sec-head .more{position:absolute;right:0;top:6px;font-size:13px;color:var(--primary);border:1px solid var(--primary);padding:5px 14px;border-radius:20px}
.sec-head .more:hover{background:var(--primary);color:#fff}

/* 产品 */
.prod-tabs{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:24px}
.ptab{padding:7px 20px;border:1px solid var(--line);background:#fff;border-radius:20px;cursor:pointer;font-size:14px;color:var(--text-sub)}
.ptab.on,.ptab:hover{background:var(--primary);border-color:var(--primary);color:#fff}
/* 用 flex 而非 grid：兼容 QQ/360 等浏览器的 IE 兼容内核（不支持 grid） */
.prod-grid{display:flex;flex-wrap:wrap;margin:0 -10px}
.prod-card{display:block;margin:0 10px 20px;width:calc(25% - 20px);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;transition:.25s}
.prod-card:hover{transform:translateY(-4px);box-shadow:0 10px 24px rgba(15,40,70,.12);border-color:#cfe6f5}
.prod-card .pic{position:relative;height:200px;background:var(--bg-soft);display:flex;align-items:center;justify-content:center;overflow:hidden}
/* 绝对定位居中 + min宽高：等效 object-fit:cover，新旧内核一致不拉伸 */
.prod-card .pic img{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);min-width:100%;min-height:100%;width:auto;height:auto;max-width:none;transition:.3s}
.prod-card:hover .pic img{transform:translate(-50%,-50%) scale(1.05)}
.noimg{color:#b9c8d6;font-weight:700;font-size:20px;letter-spacing:2px}
.noimg.big{height:320px;display:flex;align-items:center;justify-content:center;background:var(--bg-soft)}
.prod-card h3{font-size:16px;padding:12px 14px 4px}
.prod-card p{font-size:13px;color:var(--text-sub);padding:0 14px 14px;margin:0;min-height:44px}
.pmodel{display:inline-block;font-size:12px;color:var(--primary);padding:0 14px 8px}

/* 关于我们 */
.about-wrap{display:flex;gap:40px;align-items:center;flex-wrap:wrap}
.about-pic{flex:1 1 45%;min-width:280px;position:relative;border-radius:var(--radius);overflow:hidden;background:var(--bg-soft);height:340px}
.about-pic img{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);min-width:100%;min-height:100%;width:auto;height:auto;max-width:none}
.about-pic-tag{position:absolute;left:0;bottom:0;background:rgba(1,162,234,.92);color:#fff;font-size:13px;padding:9px 18px;border-radius:0 var(--radius) 0 0}
.about-text{flex:1 1 46%;min-width:280px}
.about-text h3{font-size:22px;margin-bottom:12px;color:var(--text)}
.about-desc{color:var(--text-sub);font-size:14px;line-height:1.95;margin-bottom:20px}
.about-nums{display:flex;gap:16px;margin-bottom:22px}
.about-nums div{flex:1 1 0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px 8px;text-align:center}
.about-nums b{display:block;font-size:26px;color:var(--primary);line-height:1.3}
.about-nums span{font-size:12px;color:var(--text-sub)}

/* 新闻 */
.news-list li{display:flex;gap:20px;padding:20px 0;border-bottom:1px dashed var(--line);align-items:flex-start}
.ndate{flex:0 0 76px;text-align:center;background:var(--bg-soft);padding:10px 0;border-radius:var(--radius)}
.ndate b{display:block;color:var(--primary);font-size:16px}
.ndate span{font-size:12px;color:var(--text-sub)}
.nbody{flex:1}
.ntitle{font-size:17px;font-weight:600;display:block;margin-bottom:6px}
.ntitle:hover{color:var(--primary)}
.nbody p{color:var(--text-sub);font-size:14px;margin:0}
.npic{flex:0 0 160px;position:relative;height:100px;overflow:hidden;border-radius:4px}
.npic img{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);min-width:100%;min-height:100%;width:auto;height:auto;max-width:none;border-radius:4px}

/* 详情页 */
.detail{display:flex;gap:36px;flex-wrap:wrap;margin-bottom:30px}
.detail-pic{flex:1 1 420px;min-width:280px}
.detail-pic img{width:100%;border:1px solid var(--line);border-radius:var(--radius)}
.detail-info{flex:1 1 420px;min-width:280px}
.detail-info h1{font-size:26px;margin-bottom:10px}
.detail-sub{color:var(--text-sub);margin-bottom:18px}
.detail-actions{display:flex;gap:12px;margin-bottom:14px}
.detail-meta{font-size:13px;color:var(--text-sub);display:flex;gap:20px;flex-wrap:wrap}
.thumbs{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.thumbs img{max-width:78px;max-height:60px;width:auto;height:auto;border:1px solid var(--line);cursor:pointer;border-radius:4px}
.tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);margin-bottom:20px;flex-wrap:wrap}
.tab{padding:10px 22px;background:none;border:0;cursor:pointer;font-size:15px;color:var(--text-sub);border-bottom:2px solid transparent}
.tab.on{color:var(--primary);border-color:var(--primary);font-weight:600}
.tab-panel{display:none}
.tab-panel.on{display:block}
.article{font-size:15px;color:#33475c;line-height:1.9}
.article img{max-width:100%;height:auto;margin:8px 0}
.article table{width:100%;border-collapse:collapse;margin:10px 0}
.article th,.article td{border:1px solid var(--line);padding:8px 10px;font-size:14px}
.article th{background:var(--bg-soft)}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
.article-page{max-width:920px}
.a-title{font-size:26px;margin-bottom:10px}
.a-meta{font-size:13px;color:var(--text-sub);margin-bottom:18px;display:flex;gap:18px;flex-wrap:wrap}
.a-pic{margin-bottom:18px}
.prevnext{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:20px 0;color:var(--text-sub);font-size:14px}
.prevnext a:hover{color:var(--primary)}
.link-list li{padding:8px 0;border-bottom:1px dashed var(--line)}
.link-list a:hover{color:var(--primary)}
.link-list .tag{display:inline-block;font-size:12px;color:var(--primary);border:1px solid var(--primary);border-radius:3px;padding:0 6px;margin-right:8px}

/* 分类导航 & 分页 */
.cat-nav{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:24px}
.cat-nav a{padding:6px 16px;border:1px solid var(--line);border-radius:20px;font-size:14px;color:var(--text-sub)}
.cat-nav a.on,.cat-nav a:hover{background:var(--primary);border-color:var(--primary);color:#fff}
.pager-info{text-align:center;color:var(--text-sub);font-size:13px;margin-top:24px}
.pager{display:flex;justify-content:center;gap:8px;margin-top:12px;flex-wrap:wrap}
.pager a{padding:6px 14px;border:1px solid var(--line);border-radius:4px;font-size:14px;background:#fff}
.pager a.on,.pager a:hover{background:var(--primary);border-color:var(--primary);color:#fff}
.pager a.pg-prev,.pager a.pg-next{padding:6px 16px}
.pager .pg-dots{padding:6px 4px;color:#9fb0be}

/* 下载表 */
.dl-table{width:100%;border-collapse:collapse}
.dl-table th,.dl-table td{border-bottom:1px solid var(--line);padding:12px 10px;text-align:left;font-size:14px}
.dl-table th{background:var(--bg-soft)}
.dl-table tr:hover td{background:#fafcfd}

/* 荣誉 / FAQ */
.honor-grid{display:flex;flex-wrap:wrap;margin:0 -9px}
.honor-card{margin:0 9px 18px;width:calc(25% - 18px);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}
.honor-card .pic{height:220px;background:var(--bg-soft);display:flex;align-items:center;justify-content:center}
/* max宽高约束 = contain 效果，等比不拉伸 */
.honor-card .pic img{max-width:100%;max-height:100%;width:auto;height:auto;padding:8px}
.honor-card p{padding:10px;text-align:center;font-size:14px;margin:0}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);margin-bottom:10px;overflow:hidden}
.faq-q{padding:14px 18px;cursor:pointer;font-weight:600;position:relative;background:#fff}
.faq-q::after{content:"+";position:absolute;right:18px;color:var(--primary);font-weight:700}
.faq-item.open .faq-q::after{content:"-"}
.faq-a{display:none;padding:0 18px 16px;color:var(--text-sub)}
.faq-item.open .faq-a{display:block}

/* 联系 */
.contact-box{display:flex;gap:36px;flex-wrap:wrap}
.cinfo{flex:1 1 380px;min-width:280px}
.cinfo h1{font-size:26px;margin-bottom:14px}
.cinfo h3{font-size:20px;margin-bottom:14px;color:var(--text)}
.cform h3{font-size:20px;margin-bottom:6px;color:var(--text)}
.cform-tip{font-size:13px;color:var(--text-sub);margin-bottom:6px}
.cform input,.cform textarea{margin-bottom:8px}
.cform{flex:1 1 380px;min-width:280px;background:var(--bg-soft);padding:22px;border-radius:var(--radius)}
.cform label{display:block;font-size:13px;color:var(--text-sub);margin:10px 0 4px}
.cform input,.cform textarea{width:100%;padding:9px 12px;border:1px solid var(--line);border-radius:4px;font-size:14px;font-family:inherit;background:#fff}
.cform input:focus,.cform textarea:focus{outline:0;border-color:var(--primary)}
.captcha-row{display:flex;gap:10px;align-items:center}
.captcha-row img{height:38px;border:1px solid var(--line);cursor:pointer;background:#fff}
.cform .btn{margin-top:16px;width:100%}
.alert{padding:10px 14px;border-radius:4px;font-size:14px;margin-bottom:10px}
.alert.ok{background:#e8f7ee;color:#1a7f45;border:1px solid #b7e4c7}
.alert.err{background:#fdecea;color:#b3261e;border:1px solid #f5c6c2}
.map-placeholder{height:220px;background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;color:var(--text-sub);font-size:14px;padding:20px;text-align:center}
.map-placeholder.big{height:280px;margin-top:14px}
.search-box{display:flex;gap:10px;margin-bottom:24px}
.search-box input{flex:1;padding:9px 12px;border:1px solid var(--line);border-radius:4px}
.notfound{text-align:center;padding:60px 0}
.notfound h1{font-size:80px;color:var(--primary)}

/* 页脚 */
.footer{background:#12314f;color:#b9cddc;padding:44px 0 30px}
.footer-inner{display:flex;gap:30px;flex-wrap:wrap}
.f-col{flex:1 1 180px;min-width:160px}
.f-col h4{color:#fff;font-size:16px;margin-bottom:14px}
.f-col ul li{padding:4px 0;font-size:14px}
.f-col ul li a:hover,.f-col p:hover{color:#fff}
.f-col p{font-size:14px;margin:0 0 6px}
.f-qr{flex:0 0 140px;text-align:center}
.f-qr img{width:120px;margin-bottom:8px;background:#fff;padding:5px}
.copyright{background:#0d2540;color:#7f9bb1;font-size:13px;padding:14px 0;text-align:center}
.copyright a.icp,.copyright a.police{color:#7f9bb1;text-decoration:none}
.copyright a.icp:hover,.copyright a.police:hover{color:#fff;text-decoration:underline}
.copyright a.police img{display:inline-block;width:16px;height:16px;vertical-align:-3px;margin-right:4px}

/* 侧边客服 */
.side-kf{position:fixed;right:12px;bottom:80px;z-index:80;display:flex;flex-direction:column;gap:8px}
.kf-item{width:46px;height:46px;background:#333;color:#fff;border-radius:4px;display:flex;align-items:center;justify-content:center;position:relative;cursor:pointer;opacity:.9}
.kf-item:hover{background:var(--primary);opacity:1}
.kf-txt{position:absolute;right:52px;white-space:nowrap;background:var(--primary);padding:6px 12px;border-radius:4px;font-size:13px;opacity:0;transition:.2s}
.kf-tel:hover .kf-txt{opacity:1}
.kf-ewm-box{position:absolute;right:52px;bottom:0;width:130px;background:#fff;padding:6px;border-radius:4px;display:none}
.kf-ewm:hover .kf-ewm-box{display:block}
.kf-top{background:#999}

/* ---------------- 响应式 ---------------- */
@media (max-width:1200px){
  .prod-card{width:calc(33.333% - 20px)}
  .honor-card{width:calc(33.333% - 18px)}
}
@media (max-width:992px){
  .nav-toggle{display:block}
  .nav{position:fixed;top:0;right:-280px;width:280px;height:100%;background:#fff;box-shadow:-4px 0 18px rgba(0,0,0,.15);padding:70px 0 20px;overflow-y:auto;transition:right .3s;z-index:100}
  .nav.open{right:0}
  .nav>ul{flex-direction:column;align-items:stretch;gap:0}
  .nav>ul>li>a{padding:14px 22px;border-bottom:1px solid #f1f5f9}
  .nav>ul>li>a.on::after{display:none}
  .nav ul ul{display:none!important;position:static;box-shadow:none;border:0;background:#f7fafc}
  .nav ul ul.open{display:block!important}
  .nav-mask{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:90}
  .slider-track{height:300px}
  .slide-txt h2{font-size:36px}
  .about-wrap{gap:28px}
  .about-nums{gap:24px}
  .about-pic{height:280px}
}
@media (max-width:768px){
  body{font-size:14px}
  .section{padding:34px 0}
  .sec-head h2{font-size:22px}
  .sec-head .more{position:static;display:inline-block;margin-top:10px}
  .prod-grid,.honor-grid{margin:0 -6px}
  .prod-card{width:calc(50% - 12px);margin:0 6px 12px}
  .honor-card{width:calc(50% - 12px);margin:0 6px 12px}
  .prod-card .pic{height:150px}
  .slider-track{height:200px}
  .slide-txt h2{font-size:26px}
  .detail{gap:20px}
  .detail-info h1{font-size:21px}
  .news-list li{flex-wrap:wrap}
  .npic{flex:0 0 100%;height:160px}
  .about-pic{flex:1 1 100%;height:210px}
  .about-nums b{font-size:22px}
  .footer-inner{gap:20px}
  .f-col{flex:1 1 45%}
  .f-qr{flex:1 1 100%}
  .dl-table th:nth-child(3),.dl-table td:nth-child(3){display:none}
  .side-kf{bottom:20px}
  .topbar .wrap{justify-content:center;text-align:center}
}
@media (max-width:480px){
  .prod-card,.honor-card{width:calc(100% - 12px)}
  .slider-track{height:170px}
  .about-nums{gap:14px}
  .about-nums div{flex:1 1 30%}
}