/* 江苏沪吉特钢 - 前台样式 v2（深钢蓝 + 鎏金橙，响应式，无横向溢出） */
:root{--navy:#0f2f57;--navy-d:#0a2240;--gold:#f5a623;--gold-d:#d88b00;--gray:#f5f7fa;--txt:#2b3441;--muted:#6b7686;--line:#e6eaf0;--max:1200px}
*{margin:0;padding:0;box-sizing:border-box;min-width:0}
html{overflow-x:clip}
body{font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;color:var(--txt);background:#fff;font-size:15px;line-height:1.7;overflow-x:clip}
a{color:inherit;text-decoration:none;transition:color .2s}
img{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 16px;width:100%}
/* 顶栏 */
.topbar{background:var(--navy-d);color:#9fb3cc;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;padding:7px 16px}
.topbar b{color:var(--gold);font-size:15px}
/* 导航 */
.nav{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:100;box-shadow:0 2px 10px rgba(15,47,87,.06)}
.nav .wrap{display:flex;align-items:center;gap:14px;height:72px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-badge{width:44px;height:44px;border-radius:10px;background:linear-gradient(135deg,var(--navy),#1d4e8f);color:var(--gold);font-weight:800;font-size:19px;display:flex;align-items:center;justify-content:center;letter-spacing:1px}
.logo-txt b{display:block;font-size:18px;color:var(--navy);line-height:1.25}
.logo-txt i{display:block;font-style:normal;font-size:10px;color:var(--muted);letter-spacing:.5px}
.menu{display:flex;list-style:none;gap:0;margin-left:auto;flex-wrap:wrap}
.menu > li{position:relative}
.menu > li > a{display:block;padding:0 15px;line-height:72px;font-size:16px;font-weight:600;color:var(--txt)}
.menu > li > a:hover,.menu > li > a.on{color:var(--gold-d);border-bottom:2px solid var(--gold)}
.menu .sub{position:absolute;left:0;top:100%;min-width:180px;background:#fff;border:1px solid var(--line);border-top:2px solid var(--gold);list-style:none;opacity:0;visibility:hidden;transform:translateY(8px);transition:all .25s;box-shadow:0 8px 24px rgba(10,34,64,.12);z-index:99}
.menu li:hover .sub{opacity:1;visibility:visible;transform:translateY(0)}
.menu .sub a{display:block;padding:10px 16px;font-size:14px;border-bottom:1px solid var(--gray)}
.menu .sub a:hover{background:var(--gray);color:var(--gold-d)}
.nav-search{display:flex;flex-shrink:0}
.nav-search input{width:140px;height:34px;border:1px solid var(--line);border-right:0;border-radius:4px 0 0 4px;padding:0 10px;font-size:13px;outline:none}
.nav-search input:focus{border-color:var(--gold)}
.nav-search button{height:34px;padding:0 14px;background:var(--navy);color:#fff;border:0;border-radius:0 4px 4px 0;cursor:pointer;font-size:13px}
.nav-toggle{display:none;margin-left:auto;font-size:22px;background:none;border:1px solid var(--line);border-radius:6px;padding:4px 12px;cursor:pointer;color:var(--navy)}
/* Hero v2 */
.hero{background:linear-gradient(118deg,#081d38 0%,#0f2f57 48%,#1a4577 100%);color:#fff;padding:84px 0 74px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:44px 44px}
.hero::after{content:"";position:absolute;right:-160px;top:-160px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(245,166,35,.2),transparent 62%)}
.hero-in{display:flex;gap:44px;align-items:center;position:relative;z-index:1}
.hero-txt{flex:1.35}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(245,166,35,.14);border:1px solid rgba(245,166,35,.45);color:var(--gold);font-size:13px;padding:5px 14px;border-radius:20px;letter-spacing:1px}
.hero-badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 8px var(--gold)}
.hero-txt h1{font-size:42px;line-height:1.28;letter-spacing:2px;margin-top:18px}
.hero-txt h1 em{font-style:normal;color:var(--gold)}
.hero-sub{margin-top:14px;color:#c4d4e8;font-size:15.5px;max-width:560px}
.hero-chips{margin-top:18px;display:flex;flex-wrap:wrap;gap:10px}
.chip{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);color:#dce8f5;font-size:13px;padding:6px 14px;border-radius:6px;white-space:nowrap}
.chip b{color:var(--gold);font-weight:600}
.hero-btns{margin-top:28px;display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 32px;border-radius:6px;font-size:15.5px;font-weight:600;transition:all .2s;border:1px solid transparent;cursor:pointer}
.btn-primary{background:linear-gradient(135deg,var(--gold),#ffb84d);color:#1d2733;box-shadow:0 6px 18px rgba(245,166,35,.35)}
.btn-primary:hover{background:var(--gold-d);color:#fff}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.hero-card{flex:1;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:16px;padding:10px 28px;backdrop-filter:blur(4px)}
.hc-item{padding:16px 0;border-bottom:1px dashed rgba(255,255,255,.15)}
.hc-item:last-child{border-bottom:0}
.hc-item b{display:block;font-size:24px;color:var(--gold);letter-spacing:1px}
.hc-item span{font-size:13px;color:#a9bcd4}
/* 区块 */
.section{padding:60px 0}
.section-gray{background:var(--gray)}
.sec-head{display:flex;align-items:baseline;margin-bottom:32px;border-left:5px solid var(--gold);padding-left:14px;flex-wrap:wrap}
.sec-head h2{font-size:27px;color:var(--navy)}
.sec-head p{margin-left:14px;color:var(--muted);font-size:13px;letter-spacing:1px}
.sec-more{margin-left:auto;color:var(--muted);font-size:13.5px}
.sec-more:hover{color:var(--gold-d)}
/* 四大优势 v2 */
.adv-wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.adv-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;padding:30px 24px 26px;transition:all .28s;overflow:hidden}
.adv-card::after{content:"";position:absolute;left:0;bottom:0;height:3px;width:0;background:linear-gradient(90deg,var(--gold),#ffcf7a);transition:width .3s}
.adv-card:hover{transform:translateY(-6px);box-shadow:0 16px 34px rgba(15,47,87,.13)}
.adv-card:hover::after{width:100%}
.adv-num{position:absolute;right:16px;top:10px;font-size:44px;font-weight:800;color:#eef2f7;line-height:1}
.adv-icon{width:54px;height:54px;border-radius:13px;background:linear-gradient(135deg,#0f2f57,#1d4e8f);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.adv-icon svg{width:28px;height:28px;stroke:var(--gold);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.adv-card b{display:block;font-size:17.5px;color:var(--navy);margin-bottom:8px}
.adv-card p{font-size:13.5px;color:var(--muted)}
/* CTA 横幅 */
.cta-band{background:linear-gradient(118deg,var(--navy-d),#16406f);border-radius:16px;color:#fff;padding:34px 40px;display:flex;align-items:center;gap:24px;flex-wrap:wrap;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(245,166,35,.25),transparent 65%)}
.cta-band h3{font-size:23px;letter-spacing:1px;flex:1;min-width:240px}
.cta-band h3 span{display:block;font-size:14px;font-weight:400;color:#a9bcd4;margin-top:4px}
.cta-band .cta-phone{font-size:28px;color:var(--gold);font-weight:800;letter-spacing:1px}
.cta-band .btn{flex-shrink:0}
/* 产品卡 */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.prod-card{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:all .25s}
.prod-card:hover{transform:translateY(-5px);box-shadow:0 14px 30px rgba(15,47,87,.14);border-color:transparent}
.prod-img{height:150px;background:linear-gradient(135deg,#0f2f57,#28598f);display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative}
.prod-img::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:26px 26px}
.prod-img img{width:100%;height:100%;object-fit:cover;position:relative;z-index:1}
.prod-ph{font-size:19px;font-weight:700;color:#ffd58a;letter-spacing:2px;text-align:center;padding:0 8px;position:relative;z-index:1}
.prod-body{padding:14px 16px 16px}
.prod-body h3{font-size:15.5px;color:var(--navy);line-height:1.45;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.prod-body p{margin-top:6px;font-size:13px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:40px}
.prod-more{display:inline-block;margin-top:10px;font-size:13px;color:var(--gold-d);font-weight:600}
.prod-card:hover .prod-more{color:var(--gold)}
/* 新闻列表 */
.news-list{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:8px 40px}
.news-list li{display:flex;gap:14px;padding:13px 0;border-bottom:1px dashed var(--line)}
.news-date{flex-shrink:0;width:52px;height:52px;background:var(--navy);border-radius:8px;color:#fff;text-align:center;padding-top:7px;font-weight:700;font-size:17px}
.news-info{min-width:0;flex:1}
.news-info a{font-size:15.5px;font-weight:600;color:var(--txt);display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.news-info a:hover{color:var(--gold-d)}
.news-info p{font-size:13px;color:var(--muted);margin-top:3px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
/* 应用 */
.app-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.app-item{background:#fff;border:1px solid var(--line);border-radius:10px;padding:26px 22px;transition:all .25s}
.app-item:hover{border-top:3px solid var(--gold);box-shadow:0 10px 24px rgba(15,47,87,.1)}
.app-item b{display:block;font-size:17px;color:var(--navy);margin-bottom:10px}
.app-item p{font-size:13.5px;color:var(--muted)}
/* 内页 banner */
.banner-in{background:linear-gradient(118deg,var(--navy-d),#16406f);color:#fff;padding:34px 0 30px}
.banner-in h1{font-size:26px;letter-spacing:1px}
.banner-in p{margin-top:6px;font-size:13px;color:#9fb3cc}
.banner-in a{color:#c4d4e8}
/* 内页布局 */
.main-grid{display:flex;gap:26px;padding:34px 16px}
.side{width:240px;flex-shrink:0}
.side-box{background:var(--gray);border-radius:10px;padding:18px;margin-bottom:20px}
.side-box h3{font-size:16.5px;color:var(--navy);border-bottom:2px solid var(--gold);padding-bottom:9px;margin-bottom:10px}
.side-box ul{list-style:none}
.side-box ul li a{display:block;padding:8px 10px;font-size:14px;border-radius:6px}
.side-box ul li a:hover,.side-box ul li a.on{background:var(--navy);color:#fff}
.side-hot li a{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.main-body{flex:1;min-width:0}
/* 详情 */
.detail{background:#fff;border:1px solid var(--line);border-radius:10px;padding:30px 34px}
.detail-title{font-size:24px;color:var(--navy);line-height:1.4}
.detail-meta{margin:12px 0 20px;padding-bottom:14px;border-bottom:1px solid var(--line);color:var(--muted);font-size:13px;display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.tag-ai{background:#eef4ff;color:#2f6fd8;font-size:12px;padding:1px 8px;border-radius:10px}
.detail-content{font-size:15.5px}
.detail-content p{margin:12px 0}
.detail-content h2,.detail-content h3{margin:22px 0 10px;color:var(--navy)}
.detail-content img{margin:14px auto;border-radius:8px}
.detail-content table{width:100%;border-collapse:collapse;margin:14px 0;display:block;overflow-x:auto}
.detail-content td,.detail-content th{border:1px solid var(--line);padding:8px 12px;font-size:14px}
.spec-box{background:var(--gray);border-radius:8px;padding:16px 20px;margin:18px 0}
.spec-box h3{font-size:15.5px;color:var(--navy);margin-bottom:8px}
.spec-box p{font-size:14px;color:var(--txt)}
.detail-cta{margin-top:26px;background:linear-gradient(118deg,#fdf6e8,#fff);border:1px solid #f2ddb0;border-radius:10px;padding:20px 26px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.detail-cta p{flex:1;min-width:220px}
/* 上下篇导航 */
.pn-nav{display:flex;gap:14px;margin-top:26px;flex-wrap:wrap}
.pn-item{flex:1;min-width:240px;display:flex;flex-direction:column;gap:5px;background:var(--gray);border:1px solid var(--line);border-radius:10px;padding:14px 18px;overflow:hidden}
a.pn-item{transition:border-color .2s,background .2s}
a.pn-item:hover{border-color:var(--gold);background:#fffdf5}
.pn-item span{font-size:12.5px;color:var(--muted)}
.pn-item b{font-size:14.5px;font-weight:600;color:var(--txt);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
a.pn-item:hover b{color:var(--gold-d)}
.pn-next{text-align:right;align-items:flex-end}
.pn-item.is-none{opacity:.55}
.pn-item.is-none b{font-weight:400;color:var(--muted)}
/* 联系表单验证码 */
.cap-row{display:flex;gap:10px;align-items:center;margin-bottom:14px}
.cap-row input{flex:1;min-width:0;margin:0}
.cap-img{border-radius:8px;cursor:pointer;flex-shrink:0;border:1px solid var(--line)}
/* 首页关于我们 */
.about-grid{display:grid;grid-template-columns:1.08fr 1fr;gap:44px;align-items:center}
.sec-head.left{text-align:left;margin-bottom:18px}
.sec-head.left p{margin-top:6px}
.about-p{font-size:15px;line-height:1.95;color:var(--txt);margin-bottom:14px;text-align:justify}
.about-btns{display:flex;gap:12px;margin-top:20px;flex-wrap:wrap}
.about-img{position:relative}
.about-img img{width:100%;display:block;border-radius:14px;box-shadow:0 18px 44px rgba(15,47,87,.16)}
.about-tag{position:absolute;left:16px;bottom:16px;background:rgba(15,47,87,.82);color:#fff;font-size:13px;padding:8px 16px;border-radius:8px;letter-spacing:1px}
@media (max-width:860px){.about-grid{grid-template-columns:1fr;gap:24px}.sec-head.left{text-align:center}}
.cta-phone{font-size:20px;font-weight:700;color:var(--gold-d)}
.page-detail{margin:34px auto;max-width:1000px}
.rel-box{margin-top:24px}
.rel-box h3,.search-head{font-size:17px;color:var(--navy);border-left:4px solid var(--gold);padding-left:10px;margin:18px 0 12px}
.rel-list{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:8px 24px}
.rel-list a{font-size:14px;color:var(--txt)}
.rel-list a:hover{color:var(--gold-d)}
/* 列表页新闻 */
.list-news{list-style:none}
.list-news li{display:flex;gap:16px;padding:16px 4px;border-bottom:1px dashed var(--line)}
.ln-date{flex-shrink:0;width:64px;text-align:center;background:var(--gray);border-radius:8px;padding:8px 0}
.ln-date b{display:block;font-size:20px;color:var(--navy)}
.ln-date span{font-size:12px;color:var(--muted)}
.ln-body{min-width:0;flex:1}
.ln-body h3 a{font-size:16px;font-weight:600;word-break:break-all}
.ln-body h3 a:hover{color:var(--gold-d)}
.ln-body p{font-size:13.5px;color:var(--muted);margin:5px 0}
.ln-meta{font-size:12.5px;color:#9aa5b5}
.empty{padding:40px 0;text-align:center;color:var(--muted)}
.list-grid{grid-template-columns:repeat(3,1fr);margin-bottom:20px}
/* 分页 */
.pagination{margin:26px 0;text-align:center}
.pagination a,.pagination span{display:inline-block;min-width:36px;padding:7px 12px;margin:0 4px;border:1px solid var(--line);border-radius:6px;font-size:14px}
.pagination span.cur{background:var(--navy);color:#fff;border-color:var(--navy)}
.pagination a:hover{border-color:var(--gold);color:var(--gold-d)}
/* 联系页 */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;padding:36px 16px}
.contact-info h3,.contact-form h3{font-size:19px;color:var(--navy);margin-bottom:16px;border-left:4px solid var(--gold);padding-left:10px}
.contact-info p{margin:10px 0;font-size:14.5px}
.contact-form form{background:var(--gray);border-radius:10px;padding:22px}
.contact-form label{display:block;font-size:14px;margin-bottom:14px;color:var(--navy);font-weight:600}
.contact-form input,.contact-form textarea{width:100%;margin-top:6px;padding:10px 12px;border:1px solid var(--line);border-radius:6px;font-size:14px;font-family:inherit;outline:none}
.contact-form input:focus,.contact-form textarea:focus{border-color:var(--gold)}
.ok{color:#1c8a4c;background:#e9f9f0;padding:10px 14px;border-radius:6px;margin-bottom:14px}
.err{color:#c0392b;background:#fdecea;padding:10px 14px;border-radius:6px;margin-bottom:14px}
.search-stat{padding:26px 0 10px;color:var(--muted)}
/* 404 */
.notfound{text-align:center;padding:80px 16px}
.notfound h1{font-size:96px;color:var(--navy);line-height:1}
.notfound p{margin:18px 0;color:var(--muted)}
.nf-btns{display:flex;gap:14px;justify-content:center;margin-bottom:26px}
.nf-hot{font-size:13.5px}
.nf-hot a{margin:0 6px;color:var(--gold-d)}
/* 页脚 */
.footer{background:var(--navy-d);color:#9fb3cc;padding:44px 0 0;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;padding-bottom:30px}
.f-col{min-width:0}
.f-col h4{color:#fff;font-size:16px;margin-bottom:14px}
.f-col a{display:block;font-size:13.5px;padding:4px 0;color:#9fb3cc;word-break:break-all}
.f-col a:hover{color:var(--gold)}
.f-col p{font-size:13.5px;margin-bottom:8px}
.f-contact b{color:var(--gold);font-size:16px}
.copyright{border-top:1px solid rgba(255,255,255,.1);padding:16px;font-size:13px;text-align:center}
.copyright a{color:#9fb3cc}
/* 返回顶部 */
.backtop{position:fixed;right:22px;bottom:34px;width:44px;height:44px;background:var(--navy);color:#fff;border-radius:8px;display:none;align-items:center;justify-content:center;font-size:20px;box-shadow:0 6px 18px rgba(10,34,64,.3);z-index:90}
.backtop.show{display:flex}
.backtop:hover{background:var(--gold-d)}
/* ===== 多级分类导航（二级下拉） ===== */
.menu .sub2{position:absolute;left:100%;top:-2px;min-width:170px;background:#fff;border:1px solid var(--line);
  border-left:2px solid var(--gold);list-style:none;opacity:0;visibility:hidden;transform:translateX(6px);
  transition:all .22s;box-shadow:0 8px 24px rgba(10,34,64,.12);z-index:100}
.menu .sub li{position:relative}
.menu .sub li:hover > .sub2{opacity:1;visibility:visible;transform:translateX(0)}
.menu .sub a.has-child::after{content:"›";float:right;color:var(--muted);font-weight:700}
.menu .sub a.on{background:var(--gray);color:var(--gold-d)}

/* ===== 面包屑 ===== */
.crumb{margin-top:8px;font-size:13px;color:#9fb3cc;display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.crumb a{color:#c4d4e8;transition:.16s}
.crumb a:hover{color:var(--gold)}
.crumb i{font-style:normal;color:#5f7796;transform:rotate(0)}
.crumb span{color:#fff}

/* ===== 子分类卡片 ===== */
.subcats{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;margin-bottom:20px}
.subcat{display:block;background:linear-gradient(150deg,#fff,#f5f9ff);border:1px solid var(--line);border-radius:10px;
  padding:14px 16px;transition:.2s}
.subcat:hover{border-color:var(--gold);transform:translateY(-2px);box-shadow:0 10px 24px -14px rgba(10,34,64,.5)}
.subcat b{display:block;font-size:15px;color:var(--navy);font-weight:700}
.subcat span{display:block;font-size:12.5px;color:var(--muted);margin-top:3px}
.cat-desc{background:#f4f7fc;border-left:3px solid var(--gold);border-radius:0 8px 8px 0;padding:12px 16px;
  font-size:13.8px;color:#4a5c74;line-height:1.8;margin-bottom:20px}

/* ===== 侧栏分类树 ===== */
.side-cat ul{list-style:none;margin:0;padding-left:12px}
.side-cat > li > ul{padding-left:0}
.side-cat ul li a{display:block;padding:7px 10px;font-size:14px;border-radius:6px;color:#44566e;transition:.16s}
.side-cat ul li a:hover{background:#e8eef8;color:var(--navy)}
.side-cat ul li a.on{background:var(--navy);color:#fff;font-weight:600}
.side-cat li.d1 > a{padding-left:18px;font-size:13.5px}
.side-cat li.d2 > a{padding-left:28px;font-size:13.2px;color:#5e7189}
.side-cat li.d3 > a{padding-left:38px;font-size:13px;color:#6d7f95}
.side-rich{font-size:13.5px;color:#54677f;line-height:1.85}
.side-rich h2,.side-rich h3{font-size:14px;color:var(--navy);margin:10px 0 6px}
.side-rich img{max-width:100%;border-radius:6px}
/* 侧栏询价卡 */
.side-cta{background:linear-gradient(150deg,var(--navy),#16406f);color:#c9d9ec}
.side-cta h3{color:#fff;border-bottom-color:rgba(245,166,35,.5)}
.side-cta p{font-size:13.4px;line-height:1.75;margin-bottom:12px;color:#a9c0da}
.btn-cta{display:block;text-align:center;background:linear-gradient(135deg,var(--gold),#ffc45c);color:#3a2300;
  font-weight:700;font-size:14.5px;padding:11px;border-radius:8px;transition:.2s}
.btn-cta:hover{filter:brightness(1.06);transform:translateY(-1px)}
.side-tel{margin-top:11px;text-align:center;font-size:16px;color:var(--gold);font-weight:700;letter-spacing:.5px}

/* ===== 单页列表 ===== */
.list-pages{list-style:none}
.list-pages li{padding:18px 20px;border:1px solid var(--line);border-radius:10px;margin-bottom:12px;background:#fff;
  transition:.2s;border-left:3px solid var(--gold)}
.list-pages li:hover{box-shadow:0 10px 26px -16px rgba(10,34,64,.6);transform:translateY(-2px)}
.list-pages h3{font-size:17px;margin-bottom:7px}
.list-pages h3 a{color:var(--navy);font-weight:700}
.list-pages h3 a:hover{color:var(--gold-d)}
.list-pages p{font-size:13.8px;color:#5d7089;line-height:1.8}
.list-pages .ln-meta{display:block;font-size:12.5px;color:var(--muted);margin-top:7px}

/* 响应式 */
@media (max-width:1100px){
  .nav-search{display:none}
  .menu > li > a{padding:0 12px;font-size:15px}
}
@media (max-width:1024px){
  .prod-grid{grid-template-columns:repeat(3,1fr)}
  .adv-wrap,.app-grid{grid-template-columns:repeat(2,1fr)}
  .hero-txt h1{font-size:34px}
}
@media (max-width:820px){
  .nav .wrap{height:auto;flex-wrap:wrap;padding:10px 16px;row-gap:0}
  .nav-toggle{display:block}
  .menu{display:none;width:100%;flex-direction:column;order:5;flex-wrap:nowrap}
  .menu.show{display:flex}
  .menu > li > a{line-height:48px;border-bottom:1px solid var(--gray);padding:0 6px}
  .menu .sub{position:static;opacity:1;visibility:visible;transform:none;display:none;border:0;box-shadow:none;padding-left:20px}
  .menu li:hover .sub{display:block}
  .menu .sub2{position:static;opacity:1;visibility:visible;transform:none;display:none;border:0;box-shadow:none;padding-left:16px;border-left:2px solid var(--line)}
  .menu .sub li:hover > .sub2{display:block}
  .menu .sub a.has-child::after{content:""}
  .subcats{grid-template-columns:1fr 1fr}
  .crumb{font-size:12.5px}
  .hero{padding:52px 0 48px}
  .hero-in{flex-direction:column;gap:30px}
  .hero-txt h1{font-size:29px}
  .main-grid{flex-direction:column}
  .side{width:100%}
  .news-list{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr;padding:30px 16px}
  .foot-grid{grid-template-columns:1fr 1fr}
  .list-grid{grid-template-columns:repeat(2,1fr)}
  .cta-band{padding:28px 24px}
  .cta-band .cta-phone{font-size:24px}
  .detail{padding:24px 22px}
}
@media (max-width:560px){
  .prod-grid,.list-grid,.adv-wrap,.app-grid,.foot-grid{grid-template-columns:1fr}
  .hero-txt h1{font-size:25px}
  .hero-chips{gap:8px}
  .chip{font-size:12px;padding:5px 10px}
  .topbar .tb-l{display:none}
  .section{padding:44px 0}
  .sec-head h2{font-size:22px}
  .rel-list{grid-template-columns:1fr}
  .notfound h1{font-size:72px}
}