/* ============================================================
   智工网 zhigongwang.gongdilianmeng.com  全站样式 2026-11
   ============================================================ */
:root{
  --navy:#0d1b30;--navy2:#122544;--blue:#1f5eff;--blue-d:#1548c9;
  --orange:#ff9f1c;--ink:#1b2740;--muted:#5f6f8a;--line:#e4eaf3;
  --bg:#f5f8fc;--card:#ffffff;--radius:14px;
  --shadow:0 8px 28px rgba(16,42,86,.08);
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:var(--ink);background:#fff;font-size:16px;line-height:1.7}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* ---------- 顶部 ---------- */
.topbar{background:var(--navy);color:#9fb2d0;font-size:13px}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:34px}
.topbar a{color:#cfdcf2}
.topbar a:hover{color:#fff}
.header{position:sticky;top:0;z-index:100;background:#fff;box-shadow:0 2px 12px rgba(13,27,48,.08)}
.header .container{display:flex;align-items:center;height:72px;gap:28px}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo svg{height:40px;width:auto}
.logo .logo-txt{line-height:1.15}
.logo .logo-cn{font-size:24px;font-weight:800;color:var(--navy);letter-spacing:2px}
.logo .logo-en{font-size:10px;color:var(--muted);letter-spacing:2.5px}
.nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav>li{position:relative}
.nav>li>a{display:block;padding:24px 16px;font-size:16px;font-weight:600;color:var(--ink)}
.nav>li>a:hover,.nav>li.on>a{color:var(--blue)}
.nav .sub{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(8px);background:#fff;border-radius:10px;box-shadow:0 12px 32px rgba(13,27,48,.16);padding:8px 0;min-width:190px;opacity:0;visibility:hidden;transition:.22s}
.nav>li:hover .sub{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.nav .sub a{display:block;padding:9px 22px;font-size:14px;color:#41506b;white-space:nowrap}
.nav .sub a:hover{background:#f2f6ff;color:var(--blue)}
.header-cta{flex:none;display:inline-flex;align-items:center;gap:8px;background:var(--blue);color:#fff;font-weight:700;font-size:15px;padding:11px 22px;border-radius:99px}
.header-cta:hover{background:var(--blue-d);color:#fff}
.header-cta svg{width:16px;height:16px;fill:#fff}
.nav-toggle{display:none}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--navy);color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:url('/d/file/img/hero.jpg') center/cover no-repeat;opacity:.55}
.hero-bg:after{content:'';position:absolute;inset:0;background:linear-gradient(100deg,rgba(9,20,38,.92) 8%,rgba(9,20,38,.55) 55%,rgba(9,20,38,.25))}
.hero .container{position:relative;padding:110px 20px 120px;max-width:1200px}
.hero-kicker{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(255,255,255,.35);border-radius:99px;padding:6px 18px;font-size:14px;color:#cfe0ff;letter-spacing:2px}
.hero h1{font-size:46px;line-height:1.28;font-weight:800;margin:26px 0 18px;max-width:720px}
.hero h1 em{font-style:normal;color:#6ea0ff}
.hero p.sub{font-size:18px;color:#b9c9e4;max-width:640px}
.hero-btns{display:flex;gap:16px;margin-top:38px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:99px;font-size:16px;font-weight:700;transition:.2s}
.btn-orange{background:var(--orange);color:#fff}
.btn-orange:hover{background:#f08c00;color:#fff}
.btn-ghost{border:1px solid rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.hero-tel{position:absolute;right:20px;bottom:44px;text-align:right;color:#d7e3f8}
.hero-tel .tel-label{font-size:13px;letter-spacing:2px;color:#8fa7cd}
.hero-tel .tel-num{font-size:30px;font-weight:800;color:#fff;letter-spacing:1px}

/* ---------- 数据条 ---------- */
.stats{background:#fff;border-bottom:1px solid var(--line)}
.stats .container{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:44px 20px}
.stat{text-align:center}
.stat b{display:block;font-size:42px;font-weight:800;color:var(--blue);line-height:1.1}
.stat b i{font-style:normal;font-size:20px;margin-left:2px}
.stat span{display:block;margin-top:6px;color:var(--muted);font-size:15px}

/* ---------- 区块通用 ---------- */
.section{padding:88px 0}
.section.alt{background:var(--bg)}
.sec-head{text-align:center;max-width:760px;margin:0 auto 52px}
.sec-tag{display:inline-block;background:#eaf1ff;color:var(--blue);font-size:13px;font-weight:700;letter-spacing:3px;padding:5px 16px;border-radius:99px}
.sec-head h2{font-size:34px;font-weight:800;color:var(--navy);margin-top:16px;line-height:1.35}
.sec-head p{color:var(--muted);margin-top:12px;font-size:16px}

/* ---------- 关于 ---------- */
.about-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.about-img{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.about-txt h2{font-size:32px;font-weight:800;color:var(--navy);margin-bottom:8px}
.about-txt .en{color:#a7b6cf;font-size:13px;letter-spacing:3px;text-transform:uppercase}
.about-txt p{color:#41506b;margin-top:18px;text-align:justify}
.about-feats{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:26px}
.about-feats li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--ink)}
.about-feats svg{width:20px;height:20px;fill:var(--blue);flex:none;margin-top:4px}

/* ---------- 三大平台 ---------- */
.sol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.sol-card{background:var(--card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.25s;display:flex;flex-direction:column}
.sol-card:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(16,42,86,.16)}
.sol-card .pic{height:190px;overflow:hidden}
.sol-card .pic img{width:100%;height:100%;object-fit:cover;transition:.4s}
.sol-card:hover .pic img{transform:scale(1.05)}
.sol-card .bd{padding:24px 26px 28px;flex:1;display:flex;flex-direction:column}
.sol-card h3{font-size:20px;font-weight:800;color:var(--navy)}
.sol-card h3 small{display:block;font-size:12px;color:#9fb0cc;font-weight:600;letter-spacing:2px;margin-top:2px}
.sol-card p{color:var(--muted);font-size:14.5px;margin:12px 0 18px;flex:1}
.sol-card .more{color:var(--blue);font-weight:700;font-size:14.5px}
.sol-card .more:hover{color:var(--blue-d)}

/* ---------- 六大产品 ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.prod-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:34px 30px;transition:.25s;position:relative;overflow:hidden}
.prod-card:before{content:'';position:absolute;left:0;top:0;width:4px;height:0;background:var(--orange);transition:.3s}
.prod-card:hover{border-color:transparent;box-shadow:var(--shadow);transform:translateY(-4px)}
.prod-card:hover:before{height:100%}
.prod-ico{width:56px;height:56px;border-radius:14px;background:#eaf1ff;display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.prod-ico svg{width:28px;height:28px;fill:var(--blue)}
.prod-card h3{font-size:19px;font-weight:800;color:var(--navy)}
.prod-card p{color:var(--muted);font-size:14.5px;margin:10px 0 16px}
.prod-card .more{font-size:14px;font-weight:700;color:var(--blue)}

/* ---------- 产品优势 ---------- */
.adv-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.adv-card{background:var(--card);border-radius:var(--radius);padding:30px 22px;text-align:center;box-shadow:var(--shadow);transition:.25s}
.adv-card:hover{transform:translateY(-5px)}
.adv-card .num{font-size:15px;font-weight:800;color:#c9d7ef}
.adv-card h3{font-size:17.5px;font-weight:800;color:var(--navy);margin:10px 0 10px}
.adv-card p{font-size:13.5px;color:var(--muted);line-height:1.75}

/* ---------- 用户价值 ---------- */
.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.value-card{background:var(--card);border-radius:var(--radius);padding:38px 34px;box-shadow:var(--shadow);position:relative}
.value-card .idx{font-size:52px;font-weight:800;color:#e8eefb;line-height:1;position:absolute;top:26px;right:30px}
.value-card h3{font-size:21px;font-weight:800;color:var(--navy)}
.value-card h3 i{font-style:normal;display:inline-block;width:34px;height:34px;line-height:34px;text-align:center;background:var(--blue);color:#fff;border-radius:10px;font-size:16px;margin-right:10px;vertical-align:3px}
.value-card ul{margin-top:18px}
.value-card li{position:relative;padding-left:20px;color:#41506b;font-size:14.5px;margin-bottom:10px}
.value-card li:before{content:'';position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:var(--orange)}

/* ---------- 客户 ---------- */
.clients{background:var(--navy)}
.clients .sec-head h2{color:#fff}
.clients .sec-head p{color:#8fa5c8}
.clients .sec-tag{background:rgba(110,160,255,.15);color:#8fb4ff}
.client-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.client-item{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:12px;height:86px;display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:700;color:#cfdcf2;letter-spacing:3px;transition:.25s}
.client-item:hover{background:rgba(255,255,255,.12);color:#fff}

/* ---------- 服务流程 ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.flow-item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px 18px;text-align:center;transition:.25s}
.flow-item:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.flow-item .no{font-size:26px;font-weight:800;color:var(--orange);font-family:Georgia,serif}
.flow-item h3{font-size:16.5px;font-weight:800;color:var(--navy);margin:12px 0 8px}
.flow-item p{font-size:13px;color:var(--muted)}

/* ---------- 最新动态 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:var(--card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.25s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-5px)}
.news-card .pic{height:180px;overflow:hidden;background:#dfe8f5}
.news-card .pic img{width:100%;height:100%;object-fit:cover;transition:.4s}
.news-card:hover .pic img{transform:scale(1.05)}
.news-card .bd{padding:22px 24px 26px;flex:1;display:flex;flex-direction:column}
.news-card .date{font-size:12.5px;color:#9fb0cc;letter-spacing:1px}
.news-card h3{font-size:17px;font-weight:700;color:var(--navy);margin:8px 0 10px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card h3 a:hover{color:var(--blue)}
.news-card p{color:var(--muted);font-size:13.5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1}
.sec-more{text-align:center;margin-top:44px}
.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{background:var(--blue-d);color:#fff}

/* ---------- CTA ---------- */
.cta-band{background:linear-gradient(115deg,var(--blue-d),var(--blue) 60%,#3d78ff);color:#fff;padding:66px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-inner h2{font-size:30px;font-weight:800}
.cta-inner p{color:#d6e2ff;margin-top:8px}
.cta-tel{display:inline-flex;align-items:center;gap:14px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.35);border-radius:99px;padding:14px 30px;font-size:26px;font-weight:800}
.cta-tel svg{width:24px;height:24px;fill:#fff}
.cta-tel:hover{background:rgba(255,255,255,.24);color:#fff}

/* ---------- 页脚 ---------- */
.footer{background:var(--navy);color:#93a5c4;font-size:14px}
.footer-main{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:44px;padding:64px 0 48px}
.footer h4{color:#fff;font-size:16.5px;font-weight:700;margin-bottom:18px}
.footer-about p{margin-top:14px;line-height:1.9}
.footer-logo{display:flex;align-items:center;gap:10px}
.footer-logo svg{height:36px;width:auto}
.footer-logo .logo-cn{font-size:22px;font-weight:800;color:#fff;letter-spacing:2px}
.footer-logo .logo-en{font-size:9px;color:#7d92b8;letter-spacing:2px}
.footer ul li{margin-bottom:10px}
.footer ul a:hover{color:#fff}
.footer-contact li{display:flex;gap:10px;margin-bottom:14px}
.footer-contact svg{width:17px;height:17px;fill:#5f83d6;flex:none;margin-top:5px}
.footer-contact b{color:#dbe6f8;font-weight:600}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;text-align:center;font-size:13px;color:#6d7fa0}

/* ---------- 内页 banner ---------- */
.page-banner{background:linear-gradient(115deg,#0d1b30 30%,#173461 75%,#1f5eff);color:#fff;padding:64px 0 58px;position:relative;overflow:hidden}
.page-banner:after{content:'';position:absolute;right:-80px;top:-80px;width:340px;height:340px;border-radius:50%;background:rgba(110,160,255,.12)}
.page-banner h1{font-size:34px;font-weight:800;position:relative}
.page-banner p{color:#a9bde0;margin-top:10px;position:relative;font-size:15px}
.crumb{font-size:13.5px;color:#93a5c4;margin-top:16px;position:relative}
.crumb a:hover{color:#fff}

/* ---------- 列表页 ---------- */
.list-wrap{padding:60px 0 80px}
.list-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.pagebar{display:flex;justify-content:center;gap:8px;margin-top:52px;flex-wrap:wrap}
.pagebar a,.pagebar b{display:inline-block;min-width:40px;padding:9px 16px;border-radius:8px;border:1px solid var(--line);font-size:14.5px;text-align:center;color:#41506b;background:#fff}
.pagebar b{background:var(--blue);border-color:var(--blue);color:#fff;font-weight:700}
.pagebar a:hover{border-color:var(--blue);color:var(--blue)}

/* ---------- 详情页 ---------- */
.detail-wrap{padding:56px 0 80px}
.detail-box{max-width:860px;margin:0 auto;background:#fff}
.detail-head h1{font-size:30px;font-weight:800;color:var(--navy);line-height:1.45}
.detail-meta{display:flex;gap:22px;color:#93a5c4;font-size:13.5px;margin:16px 0 0;padding-bottom:22px;border-bottom:1px solid var(--line)}
.detail-body{padding-top:30px;color:#33415e;font-size:16px;line-height:1.95}
.detail-body h2,.detail-body h3{color:var(--navy);margin:34px 0 14px;font-size:21px;line-height:1.5}
.detail-body h3{font-size:18px}
.detail-body p{margin-bottom:14px;text-align:justify}
.detail-body ul li,.detail-body ol li{position:relative;padding-left:22px;margin-bottom:9px}
.detail-body ul li:before{content:'';position:absolute;left:2px;top:12px;width:7px;height:7px;border-radius:50%;background:var(--blue)}
.detail-body ol{counter-reset:zwol}
.detail-body ol li{counter-increment:zwol}
.detail-body ol li:before{content:counter(zwolol);counter-increment:none}
.detail-body table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14.5px}
.detail-body th,.detail-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.detail-body th{background:#f2f6ff;color:var(--navy)}
.detail-body img{border-radius:10px;margin:14px 0}
.detail-body blockquote{background:#f2f6ff;border-left:4px solid var(--blue);padding:14px 18px;border-radius:8px;margin:16px 0;color:#41506b}
.detail-cta{margin-top:40px;background:linear-gradient(115deg,var(--blue-d),var(--blue));border-radius:var(--radius);color:#fff;padding:30px 34px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.detail-cta h3{font-size:19px;font-weight:800}
.detail-cta p{color:#d6e2ff;font-size:14px;margin-top:4px}
.detail-cta .tel{font-size:24px;font-weight:800;white-space:nowrap}
.rel-sec{max-width:860px;margin:56px auto 0}
.rel-sec h2{font-size:22px;font-weight:800;color:var(--navy);margin-bottom:22px;padding-left:14px;border-left:4px solid var(--orange)}
.rel-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.rel-card{display:flex;gap:16px;background:var(--bg);border-radius:12px;padding:16px;transition:.25s}
.rel-card:hover{box-shadow:var(--shadow)}
.rel-card .pic{width:132px;height:92px;border-radius:8px;overflow:hidden;flex:none;background:#dfe8f5}
.rel-card .pic img{width:100%;height:100%;object-fit:cover}
.rel-card h3{font-size:15px;font-weight:700;color:var(--navy);line-height:1.55;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.rel-card:hover h3{color:var(--blue)}
.rel-card .date{font-size:12px;color:#9fb0cc;margin-top:8px}

/* ---------- 自定义页（关于/联系） ---------- */
.page-wrap{padding:60px 0 80px}
.page-box{max-width:860px;margin:0 auto}
.page-box h2{font-size:23px;font-weight:800;color:var(--navy);margin:38px 0 16px;padding-left:14px;border-left:4px solid var(--orange)}
.page-box h2:first-child{margin-top:0}
.page-box p{color:#33415e;margin-bottom:14px;text-align:justify;line-height:1.95}
.page-box ul li{position:relative;padding-left:22px;margin-bottom:10px;color:#33415e}
.page-box ul li:before{content:'';position:absolute;left:2px;top:12px;width:7px;height:7px;border-radius:50%;background:var(--blue)}
.contact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin:26px 0}
.contact-card{background:var(--bg);border-radius:var(--radius);padding:30px 26px;text-align:center}
.contact-card .ico{width:52px;height:52px;margin:0 auto 16px;border-radius:50%;background:#eaf1ff;display:flex;align-items:center;justify-content:center}
.contact-card .ico svg{width:24px;height:24px;fill:var(--blue)}
.contact-card h3{font-size:16px;font-weight:800;color:var(--navy)}
.contact-card p{color:#41506b;font-size:15px;margin-top:8px;text-align:center}
.contact-card p b{color:var(--blue);font-size:18px}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .prod-grid,.sol-grid,.value-grid,.news-grid{grid-template-columns:repeat(2,1fr)}
  .adv-grid{grid-template-columns:repeat(3,1fr)}
  .flow-grid{grid-template-columns:repeat(3,1fr)}
  .footer-main{grid-template-columns:1fr 1fr;gap:36px}
  .about-grid{grid-template-columns:1fr;gap:36px}
  .hero h1{font-size:38px}
  .client-grid{grid-template-columns:repeat(2,1fr)}
  .nav{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;box-shadow:0 18px 30px rgba(13,27,48,.15);padding:8px 0 14px;gap:0}
  .nav.open{display:flex}
  .nav>li>a{padding:14px 24px;font-size:16px}
  .nav .sub{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;padding:0 0 6px 34px;display:none;min-width:0}
  .nav>li:hover .sub{transform:none}
  .nav li.sub-open .sub{display:block}
  .nav .sub a{padding:8px 12px}
  .nav-toggle{display:block;margin-left:auto;background:none;border:0;cursor:pointer;padding:8px}
  .nav-toggle svg{width:26px;height:26px;fill:var(--navy)}
  .header .container{gap:14px}
  .header-cta{display:none}
  .hero .container{padding:76px 20px 96px}
  .hero-tel{display:none}
}
@media (max-width:680px){
  .stats .container{grid-template-columns:repeat(2,1fr);gap:28px}
  .prod-grid,.sol-grid,.value-grid,.news-grid,.flow-grid,.list-grid,.adv-grid{grid-template-columns:1fr}
  .about-feats{grid-template-columns:1fr}
  .footer-main{grid-template-columns:1fr}
  .hero h1{font-size:30px}
  .hero p.sub{font-size:15.5px}
  .sec-head h2,.about-txt h2{font-size:26px}
  .section{padding:60px 0}
  .contact-cards{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
  .detail-head h1{font-size:23px}
  .cta-inner h2{font-size:23px}
  .client-grid{grid-template-columns:repeat(2,1fr)}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
}

/* 隐藏无内容的相关阅读区块 */
.rel-sec:has(.rel-grid:empty){display:none}