/* =====================================================
   河北廊坊臻潮环保科技有限公司 官网
   主色：环保深蓝 #0b3a5c + 绿色 #2e9e5b
   ===================================================== */
:root{
    --deep:#0b3a5c;
    --deep-2:#0a2e4f;
    --deep-3:#12324d;
    --green:#2e9e5b;
    --green-2:#1a6b4a;
    --blue:#1f7ac4;
    --text:#333;
    --text-2:#666;
    --text-3:#999;
    --bg:#f5f8fa;
    --line:#e6edf2;
    --radius:8px;
    --shadow:0 6px 22px rgba(11,58,92,.08);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;color:var(--text);font-size:15px;line-height:1.7;background:#fff;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.btn{display:inline-block;padding:12px 32px;border-radius:6px;font-size:15px;transition:all .3s;cursor:pointer;border:none;text-align:center}
.btn-green{background:linear-gradient(135deg,var(--green),var(--green-2));color:#fff;box-shadow:0 4px 14px rgba(46,158,91,.35)}
.btn-green:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(46,158,91,.45)}
.btn-outline{border:1px solid rgba(255,255,255,.85);color:#fff;background:transparent}
.btn-outline:hover{background:var(--green);border-color:var(--green)}
.btn-sm{padding:9px 22px;font-size:14px}
.btn-lg{padding:15px 38px;font-size:17px}

/* ---------- 顶部条 ---------- */
.topbar{background:var(--deep-2);color:#cfe0ee;font-size:13px}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;height:38px}
.topbar-phone a{color:#7fd4a8;font-weight:600}
.topbar-slogan-m{display:none}

/* ---------- 头部导航 ---------- */
.site-header{background:rgba(255,255,255,.97);box-shadow:0 2px 12px rgba(11,58,92,.07);position:sticky;top:0;z-index:100}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:76px}
.logo{display:flex;align-items:center;gap:12px}
.logo-badge{width:46px;height:46px;border-radius:10px;background:linear-gradient(135deg,var(--green),var(--green-2));color:#fff;font-size:24px;font-weight:bold;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 10px rgba(46,158,91,.35)}
.logo-text{display:flex;flex-direction:column}
.logo-text strong{font-size:20px;color:var(--deep);letter-spacing:1px}
.logo-text small{font-size:10px;color:var(--text-3);letter-spacing:1.5px}
.logo-name-mobile,.logo-slogan-mobile{display:none}
.site-nav ul{display:flex;gap:6px}
.site-nav a{display:block;padding:10px 18px;color:var(--text-2);font-size:15px;border-radius:5px;transition:all .3s;position:relative}
.site-nav a:hover{color:var(--green)}
.site-nav a.active{color:var(--green);font-weight:600}
.site-nav a.active::after{content:"";position:absolute;left:18px;right:18px;bottom:2px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--green),#59c78b)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.nav-toggle span{width:26px;height:3px;border-radius:3px;background:var(--deep);transition:all .3s}
.nav-toggle.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* ---------- Banner ---------- */
.banner{position:relative;height:560px;overflow:hidden}
.banner-slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity 1s ease;display:flex;align-items:center}
.banner-slide.active{opacity:1}
.banner-mask{position:absolute;inset:0;background:linear-gradient(105deg,rgba(7,32,52,.9) 0%,rgba(11,58,92,.62) 55%,rgba(7,32,52,.25) 100%)}
.banner-content{position:relative;z-index:2;padding-top:40px}
.banner-tag{display:inline-block;color:#7fd4a8;letter-spacing:3px;font-size:13px;margin-bottom:16px;border:1px solid rgba(127,212,168,.5);padding:6px 16px;border-radius:30px}
.banner-content h2{color:#fff;font-size:46px;letter-spacing:2px;margin-bottom:14px;font-weight:700}
.banner-content p{color:#dbe9f4;font-size:18px;max-width:640px;margin-bottom:32px}
.banner-btns{display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.hotline-num{color:#fff;font-size:30px;font-weight:700;letter-spacing:2px;padding:12px 16px;display:inline-block;transition:color .3s}
.hotline-num:hover{color:#7fd4a8}
.banner-mobile{display:none}
.banner-dots{position:absolute;bottom:26px;left:0;right:0;display:flex;justify-content:center;gap:10px;z-index:5}
.banner-dots span{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.4);cursor:pointer;transition:all .3s}
.banner-dots span.active{background:var(--green);width:30px;border-radius:5px}

/* ---------- 通用区块 ---------- */
.section{padding:70px 0}
.gray-section{background:var(--bg)}
.section-head{text-align:center;margin-bottom:44px}
.section-head.light h3{color:#fff}
.section-head.light p{color:#bcd6e8}
.section-tag{color:var(--green);letter-spacing:2px;font-size:13px;font-weight:600}
.section-head h3,.section-head.light h3{font-size:30px;color:var(--deep);margin:6px 0 10px;letter-spacing:1px}
.section-head.light h3{color:#fff}
.section-head p{color:var(--text-2);font-size:14px}
.section-line{width:52px;height:3px;background:linear-gradient(90deg,var(--green),#59c78b);border-radius:3px;margin:12px 0 18px;position:relative}
.section-line i{position:absolute;right:-6px;top:-3px;width:9px;height:9px;border-radius:50%;background:var(--deep)}
.section-head.light .section-line i{background:#fff}
.section-line.center{margin:12px auto 18px}
.section-more{text-align:center;margin-top:38px}
.empty-tip{text-align:center;color:var(--text-3);padding:40px 0;width:100%}

/* ---------- 首页：公司简介 ---------- */
.intro-section{background:var(--bg)}
.intro-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:56px;align-items:center}
.intro-text h3{font-size:28px;color:var(--deep);margin:6px 0 0}
.intro-lead{color:var(--green);font-weight:600;margin-bottom:14px}
.intro-text>p{color:var(--text-2)}
.intro-points{margin:22px 0 28px}
.intro-points li{padding:7px 0;color:var(--text-2)}
.intro-points i{color:var(--green);font-style:normal;font-weight:bold;margin-right:8px}
.intro-stats{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.stat-card{background:#fff;border-radius:var(--radius);padding:26px 18px;text-align:center;box-shadow:var(--shadow);border-top:3px solid var(--green);transition:transform .3s}
.stat-card:hover{transform:translateY(-4px)}
.stat-card b{font-size:26px;color:var(--deep);display:block}
.stat-card span{color:var(--text-3);font-size:13px}

/* ---------- 产品 ---------- */
.product-section{background:#fff}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.product-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:all .35s;display:flex;flex-direction:column}
.product-card:hover{transform:translateY(-6px);box-shadow:0 14px 34px rgba(11,58,92,.14);border-color:transparent}
.product-img{position:relative;height:210px;overflow:hidden;background:#eaf2f7}
.product-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.product-card:hover .product-img img{transform:scale(1.06)}
.product-model{position:absolute;top:12px;left:12px;background:rgba(11,58,92,.85);color:#fff;font-size:12px;padding:4px 10px;border-radius:4px}
.product-info{padding:18px 20px 22px;flex:1;display:flex;flex-direction:column}
.product-info h4{color:var(--deep);font-size:17px;margin-bottom:8px}
.product-info p{color:var(--text-2);font-size:13px;flex:1}
.product-more{color:var(--green);font-size:13px;margin-top:12px;font-weight:600}
.product-more::before{content:"→ ";opacity:0;transition:all .3s;display:inline-block}
.product-card:hover .product-more::before{opacity:1}

/* ---------- 应用领域 ---------- */
.fields-section{background:linear-gradient(135deg,var(--deep-2) 0%,var(--deep) 60%,#14507a 100%);position:relative;overflow:hidden}
.fields-section::before{content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;border:60px solid rgba(46,158,91,.08);border-radius:50%}
.fields-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;position:relative;z-index:2}
.field-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:28px 24px;transition:all .35s;text-align:center}
.field-card:hover{background:rgba(255,255,255,.14);transform:translateY(-4px)}
.f-icon{width:52px;height:52px;margin:0 auto 14px;border-radius:50%;background:linear-gradient(135deg,var(--green),var(--green-2));color:#fff;font-style:normal;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:bold}
.field-card h4{color:#fff;font-size:17px;margin-bottom:8px}
.field-card p{color:#b9d4e8;font-size:13px}

/* ---------- 新闻 ---------- */
.news-section{background:var(--bg)}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.news-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:22px 24px;display:flex;gap:20px;transition:all .3s}
.news-card:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(11,58,92,.14)}
.news-date{min-width:72px;text-align:center;border-right:2px solid var(--line);padding-right:18px;display:flex;flex-direction:column;justify-content:center}
.news-date b{font-size:32px;color:var(--green);line-height:1.1}
.news-date span{color:var(--text-3);font-size:12px}
.news-body h4{color:var(--deep);font-size:17px;margin-bottom:6px}
.news-body p{color:var(--text-2);font-size:13px;margin-bottom:8px}
.news-more{color:var(--green);font-size:13px;font-weight:600}

/* ---------- CTA ---------- */
.cta-section{background:linear-gradient(135deg,var(--green) 0%,var(--green-2) 100%);padding:52px 0}
.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.cta-inner h3{color:#fff;font-size:26px;letter-spacing:1px}
.cta-inner p{color:#dcf2e6;font-size:14px;margin-top:6px}
.cta-right{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep-2);color:#b9cbd9}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1.2fr 1fr;gap:40px;padding:52px 20px}
.footer-col h4{color:#fff;font-size:17px;margin-bottom:16px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:30px;height:3px;border-radius:3px;background:var(--green)}
.footer-col p{font-size:13px;line-height:1.9}
.footer-col ul li{padding:5px 0;font-size:13px}
.footer-col a:hover{color:var(--green)}
.footer-phone-btn{display:block;background:linear-gradient(135deg,var(--green),var(--green-2));color:#fff;text-align:center;padding:14px;border-radius:8px;font-size:20px;font-weight:bold;letter-spacing:1px}
.footer-tip{color:#8fa8ba;font-size:12px;margin-top:10px;text-align:center}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:18px 0}
.footer-bottom .container{display:flex;gap:20px;justify-content:center;align-items:center;flex-wrap:wrap;font-size:13px}
.footer-icp:hover{color:var(--green)}
.footer-friend{color:#6f8aa0}

/* ---------- 移动端底部电话条 ---------- */
.mobile-bar{display:none}

/* ---------- 留资弹窗 ---------- */
.popup-mask{position:fixed;inset:0;background:rgba(7,25,42,.72);z-index:999;display:none;align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(3px)}
.popup-mask.show{display:flex;animation:fadeIn .3s ease}
.popup-box{background:#fff;border-radius:14px;width:100%;max-width:400px;padding:38px 34px 30px;text-align:center;position:relative;animation:popUp .4s ease;box-shadow:0 24px 60px rgba(0,0,0,.35)}
.popup-close{position:absolute;top:12px;right:16px;font-size:26px;color:#bbb;background:none;border:none;cursor:pointer;line-height:1;transition:color .3s}
.popup-close:hover{color:var(--deep)}
.popup-icon{width:58px;height:58px;margin:0 auto 14px;border-radius:50%;background:linear-gradient(135deg,var(--green),var(--green-2));color:#fff;font-size:28px;font-weight:bold;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 16px rgba(46,158,91,.4)}
.popup-box h3{color:var(--deep);font-size:22px;letter-spacing:1px}
.popup-sub{color:var(--text-2);font-size:14px;margin:6px 0 22px}
.lead-input{width:100%;padding:13px 16px;border:1.5px solid var(--line);border-radius:8px;font-size:16px;outline:none;transition:border-color .3s;background:#f8fbfd}
.lead-input:focus{border-color:var(--green)}
.lead-textarea{width:100%;padding:13px 16px;border:1.5px solid var(--line);border-radius:8px;font-size:14px;outline:none;min-height:90px;resize:vertical;background:#f8fbfd;margin-top:12px;font-family:inherit}
.lead-textarea:focus{border-color:var(--green)}
.lead-error{color:#e0503a;font-size:13px;min-height:20px;margin-top:6px;text-align:left}
.lead-submit{width:100%;padding:14px;border:none;border-radius:8px;background:linear-gradient(135deg,var(--green),var(--green-2));color:#fff;font-size:17px;font-weight:600;letter-spacing:3px;cursor:pointer;transition:all .3s;box-shadow:0 6px 18px rgba(46,158,91,.4)}
.lead-submit:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(46,158,91,.5)}
.lead-submit:disabled{opacity:.6;cursor:not-allowed;transform:none}
.lead-tip{color:var(--text-3);font-size:12px;margin-top:14px}
.lead-success{padding:10px 0 4px;animation:popUp .4s ease}
.lead-success .success-icon{width:56px;height:56px;margin:0 auto 14px;border-radius:50%;background:linear-gradient(135deg,var(--green),var(--green-2));color:#fff;font-size:28px;font-weight:bold;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 16px rgba(46,158,91,.4)}
.lead-success h4{color:var(--deep);font-size:20px;letter-spacing:1px;margin-bottom:6px}
.lead-success p{color:var(--text-2);font-size:14px;margin-bottom:22px}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes popUp{from{transform:translateY(26px) scale(.94);opacity:0}to{transform:translateY(0) scale(1);opacity:1}}

/* ---------- 栏目页头图 ---------- */
.page-banner{position:relative;background:linear-gradient(120deg,var(--deep-2) 0%,var(--deep) 60%,#14507a 100%);padding:66px 0;text-align:center;overflow:hidden}
.page-banner-mask{position:absolute;inset:0;background:radial-gradient(circle at 85% 20%,rgba(46,158,91,.25),transparent 45%)}
.page-banner-inner{position:relative;z-index:2}
.page-banner h2{color:#fff;font-size:36px;letter-spacing:3px}
.page-banner p{color:#7fd4a8;letter-spacing:4px;font-size:13px;margin-top:4px}
.breadcrumb{margin-top:14px;color:#9db8cd;font-size:13px}
.breadcrumb a:hover{color:var(--green)}
.breadcrumb i{margin:0 6px;color:#5f7f97}

/* ---------- 关于页 ---------- */
.about-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:50px;align-items:start}
.about-images{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.about-images img{width:100%;height:230px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
.about-images img:first-child{grid-column:1/-1;height:270px}
.about-content h3{font-size:28px;color:var(--deep);margin-top:6px}
.about-content p{color:var(--text-2);margin-top:14px;line-height:2}
.advantage-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.adv-card{background:#fff;border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow);border-left:4px solid var(--green);transition:all .3s}
.adv-card:hover{transform:translateY(-4px)}
.adv-card h4{color:var(--deep);font-size:18px;margin-bottom:10px}
.adv-card p{color:var(--text-2);font-size:14px}
.factory-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.factory-item{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);height:230px}
.factory-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.factory-item:hover img{transform:scale(1.05)}

/* ---------- 新闻列表页 ---------- */
.news-list{display:flex;flex-direction:column;gap:18px}
.news-list-item{display:flex;gap:24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:all .3s}
.news-list-item:hover{box-shadow:var(--shadow);transform:translateX(4px);border-color:transparent}
.nl-date{min-width:84px;text-align:center;border-right:2px solid var(--line);padding-right:22px;display:flex;flex-direction:column;justify-content:center}
.nl-date b{font-size:38px;color:var(--green);line-height:1}
.nl-date span{color:var(--text-3);font-size:13px;margin-top:4px}
.nl-body{flex:1}
.nl-top{display:flex;justify-content:space-between;font-size:12px;color:var(--text-3);margin-bottom:6px}
.nl-category{background:#eaf6ef;color:var(--green);padding:2px 10px;border-radius:4px}
.nl-body h3{color:var(--deep);font-size:19px;margin-bottom:8px}
.nl-body h3:hover{color:var(--green)}
.nl-body p{color:var(--text-2);font-size:14px}

/* ---------- 分页 ---------- */
.pagination{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:40px}
.pagination a,.pagination .page-dots{min-width:38px;height:38px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:6px;color:var(--text-2);font-size:14px;transition:all .3s;background:#fff}
.pagination .page-dots{border:0;background:transparent;min-width:auto;padding:0 4px;color:var(--text-2);pointer-events:none}
.pagination a:hover{border-color:var(--green);color:var(--green)}
.pagination a.active{background:var(--green);border-color:var(--green);color:#fff}

/* ---------- 产品详情 ---------- */
.detail-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:46px;margin-bottom:50px}
.detail-img{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);height:360px}
.detail-img img{width:100%;height:100%;object-fit:cover}
.detail-info h2{color:var(--deep);font-size:28px;margin:6px 0 10px}
.detail-model,.detail-category{color:var(--text-2);font-size:14px;margin-bottom:6px}
.detail-summary{color:var(--text-2);font-size:15px;margin:14px 0 20px;background:var(--bg);padding:14px 18px;border-radius:var(--radius);border-left:4px solid var(--green)}
.detail-spec{margin-bottom:22px}
.detail-spec h4{color:var(--deep);font-size:16px;margin-bottom:8px}
.detail-spec p{color:var(--text-2);font-size:14px}
.detail-btns{display:flex;gap:14px}
.detail-content{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-bottom:50px}
.detail-tabs{border-bottom:1px solid var(--line);padding:0 24px}
.detail-tabs span{display:inline-block;padding:14px 10px;color:var(--green);font-weight:600;border-bottom:3px solid var(--green);font-size:16px}
.detail-body{padding:26px 28px;color:var(--text-2);line-height:2}
.detail-body p{margin-bottom:10px}
.related-products h3{color:var(--deep);font-size:22px;margin-bottom:20px;padding-left:12px;border-left:4px solid var(--green)}
.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.related-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:all .3s}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.related-card img{height:130px;width:100%;object-fit:cover;background:#eaf2f7}
.related-card span{display:block;padding:12px 14px;font-size:14px;color:var(--deep);text-align:center}

/* ---------- 新闻详情 ---------- */
.article{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:40px 46px}
.article-head{border-bottom:1px solid var(--line);padding-bottom:22px;margin-bottom:26px}
.article-head h1{color:var(--deep);font-size:26px;line-height:1.5}
.article-meta{color:var(--text-3);font-size:13px;margin-top:12px;display:flex;gap:22px;flex-wrap:wrap}
.article-meta span:first-child{color:var(--green);font-weight:600}
.article-body{color:var(--text-2);font-size:15px;line-height:2.1}
.article-body p{margin-bottom:14px}
.article-pager{display:flex;justify-content:space-between;gap:16px;border-top:1px solid var(--line);margin-top:30px;padding-top:22px;font-size:14px;flex-wrap:wrap}
.article-pager a{color:var(--deep);max-width:45%}
.article-pager a:hover{color:var(--green)}
.article-pager span{color:var(--text-3)}

/* ---------- 联系我们 ---------- */
.contact-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:start}
.contact-cards{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px;text-align:center;transition:all .3s}
.contact-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.cc-icon{width:46px;height:46px;margin:0 auto 12px;border-radius:50%;background:linear-gradient(135deg,var(--deep),var(--blue));color:#fff;font-style:normal;font-size:17px;display:flex;align-items:center;justify-content:center}
.contact-card h4{color:var(--deep);font-size:16px;margin-bottom:6px}
.contact-card p{color:var(--text-2);font-size:14px}
.contact-card a{color:var(--green);font-weight:600}
.contact-form-box{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:36px}
.contact-form-box h3{color:var(--deep);font-size:24px;margin-top:4px}
.contact-tip{color:var(--text-2);font-size:14px;margin:6px 0 20px}
.map-box{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);text-align:center;background:#fff}
.map-box img{width:100%}
.map-box p{color:var(--text-2);padding:14px;font-size:14px}

/* ---------- 响应式 ---------- */
@media (max-width:992px){
    .product-grid{grid-template-columns:repeat(2,1fr)}
    .fields-grid{grid-template-columns:repeat(2,1fr)}
    .advantage-grid{grid-template-columns:repeat(2,1fr)}
    .intro-grid{grid-template-columns:1fr;gap:36px}
    .contact-grid{grid-template-columns:1fr}
    .footer-top{grid-template-columns:1fr 1fr}
    .banner{height:460px}
    .banner-content h2{font-size:34px}
    .related-grid{grid-template-columns:repeat(2,1fr)}
    .factory-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
    .section{padding:50px 0}
    .topbar-slogan{display:none}
    .topbar-slogan-m{display:block}
    .topbar-phone{font-size:12px}
    .logo{white-space:nowrap}
    .logo-name-desk,.logo-en-desk{display:none}
    .logo-name-mobile{display:block;font-size:17px;line-height:1.2}
    .logo-slogan-mobile{display:block;font-size:10px;letter-spacing:2px;line-height:1.2}
    .nav-toggle{display:flex}
    .site-nav{position:absolute;top:76px;left:0;right:0;background:#fff;box-shadow:0 8px 20px rgba(11,58,92,.12);max-height:0;overflow:hidden;transition:max-height .35s}
    .site-nav.open{max-height:340px}
    .site-nav ul{flex-direction:column;padding:10px 20px 18px}
    .site-nav a{padding:13px 8px;border-bottom:1px solid var(--line)}
    .banner{height:400px}
    .banner-content h2{font-size:26px}
    .banner-content p{font-size:15px}
    .banner-btns .btn{padding:11px 22px;font-size:14px}
    .hotline-num{font-size:22px;padding:11px 14px}
    .banner-desk{display:none}
    .banner-mobile{display:flex;flex-direction:column;align-items:center;text-align:center}
    .banner-mobile h2{color:#fff;font-size:30px;letter-spacing:2px;margin-bottom:10px;font-weight:700}
    .banner-mobile .m-slogan{color:#7fd4a8;font-size:18px;letter-spacing:3px;margin-bottom:14px}
    .banner-mobile .m-phone{color:#fff;font-size:28px;font-weight:700;letter-spacing:2px;margin-bottom:10px}
    .banner-mobile .m-company{color:#dbe9f4;font-size:13px;letter-spacing:2px}
    .product-grid{grid-template-columns:1fr}
    .fields-grid{grid-template-columns:1fr}
    .news-grid{grid-template-columns:1fr}
    .news-card{padding:18px}
    .cta-inner{flex-direction:column;text-align:center}
    .footer-top{grid-template-columns:1fr;gap:30px}
    .footer-bottom .container{flex-direction:column;gap:8px}
    .about-grid{grid-template-columns:1fr}
    .factory-grid{grid-template-columns:1fr}
    .detail-grid{grid-template-columns:1fr}
    .detail-img{height:260px}
    .news-list-item{flex-direction:column;gap:14px}
    .nl-date{flex-direction:row;align-items:center;gap:10px;border-right:none;border-bottom:2px solid var(--line);padding:0 0 12px;justify-content:flex-start}
    .article{padding:24px 20px}
    .article-head h1{font-size:21px}
    .contact-cards{grid-template-columns:1fr 1fr}
    .page-banner h2{font-size:28px}
    .section-head h3{font-size:24px}
    /* 移动端底部电话条 */
    .mobile-bar{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:200;background:#fff;box-shadow:0 -3px 14px rgba(0,0,0,.12)}
    .mobile-bar a{flex:1;text-align:center;padding:12px 0;font-size:14px;color:var(--deep);display:flex;align-items:center;justify-content:center;gap:8px}
    .mobile-bar .mb-call{background:linear-gradient(135deg,var(--green),var(--green-2));color:#fff;font-weight:600}
    .mobile-bar i{width:18px;height:18px;border-radius:50%;border:2px solid currentColor;position:relative}
    .mobile-bar .mb-contact i::after{content:"";position:absolute;inset:3px;border-radius:50%;background:currentColor}
    body{padding-bottom:0}
}
@media (max-width:480px){
    .contact-cards{grid-template-columns:1fr}
    .related-grid{grid-template-columns:1fr}
    .footer-about p{font-size:13px}
}