:root{
  --bg:#050a18;
  --bg2:#0a1226;
  --card:rgba(15,25,50,.55);
  --line:rgba(0,212,255,.15);
  --cyan:#00d4ff;
  --cyan-dim:#0e9cc7;
  --blue:#2b6bff;
  --text:#e8f1ff;
  --muted:#8fa3c8;
  --glow:0 0 24px rgba(0,212,255,.35);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  line-height:1.6;
  overflow-x:hidden;
}
::selection{background:rgba(0,212,255,.3)}

/* ---------- 通用 ---------- */
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
section{position:relative;padding:110px 0}
.sec-tag{
  display:inline-block;font-size:13px;letter-spacing:4px;color:var(--cyan);
  border:1px solid var(--line);padding:6px 18px;border-radius:999px;margin-bottom:20px;
  background:rgba(0,212,255,.05);
}
h2.sec-title{font-size:40px;font-weight:700;letter-spacing:1px;margin-bottom:14px}
h2.sec-title em{font-style:normal;color:var(--cyan)}
p.sec-sub{color:var(--muted);font-size:16px;max-width:640px}
.center{text-align:center}
.center p.sec-sub{margin:0 auto}

/* ---------- 导航 ---------- */
nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  backdrop-filter:blur(18px);
  background:rgba(5,10,24,.72);
  border-bottom:1px solid var(--line);
}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 24px;height:68px;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:700;letter-spacing:1px;text-decoration:none;color:var(--text)}
.logo .mark{
  width:38px;height:38px;border-radius:10px;flex:none;
  background:rgba(0,212,255,.07);
  border:1px solid rgba(0,212,255,.3);
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--glow);
  overflow:hidden;
}
.logo .mark img{width:100%;height:100%;object-fit:contain}
.logo small{display:block;font-size:10px;color:var(--muted);font-weight:400;letter-spacing:2px}
.nav-links{display:flex;gap:34px;list-style:none}
.nav-links a{color:var(--muted);text-decoration:none;font-size:15px;transition:.25s}
.nav-links a:hover,.nav-links a.active{color:var(--cyan);text-shadow:0 0 12px rgba(0,212,255,.6)}

/* ---------- Hero ---------- */
.hero{
  min-height:100vh;display:flex;align-items:center;
  padding:140px 0 90px;
  background:
    radial-gradient(1000px 500px at 75% 20%,rgba(43,107,255,.22),transparent 60%),
    radial-gradient(800px 400px at 15% 80%,rgba(0,212,255,.12),transparent 60%),
    var(--bg);
  overflow:hidden;
}
.hero-img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:.32;mask-image:linear-gradient(to bottom,black 40%,transparent 95%);
  -webkit-mask-image:linear-gradient(to bottom,black 40%,transparent 95%);
}
.hero-grid{
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(0,212,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(0,212,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse at center,black 30%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse at center,black 30%,transparent 75%);
}
.hero .wrap{position:relative;z-index:2}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--cyan);
  border:1px solid var(--line);border-radius:999px;padding:8px 20px;margin-bottom:32px;
  background:rgba(0,212,255,.06);
}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:var(--glow);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
h1.hero-title{font-size:64px;line-height:1.18;font-weight:800;letter-spacing:2px;margin-bottom:26px}
h1.hero-title span{
  background:linear-gradient(90deg,#6ff 0%,var(--cyan) 35%,var(--blue) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-desc{font-size:19px;color:var(--muted);max-width:560px;margin-bottom:46px}
.hero-btns{display:flex;gap:20px;flex-wrap:wrap}
.btn{
  display:inline-block;padding:15px 42px;border-radius:12px;font-size:16px;
  text-decoration:none;letter-spacing:1px;transition:.3s;
}
.btn-primary{
  background:linear-gradient(135deg,var(--cyan),var(--blue));color:#031024;font-weight:700;
  box-shadow:0 8px 32px rgba(0,180,255,.35);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 12px 44px rgba(0,180,255,.5)}
.btn-ghost{border:1px solid rgba(0,212,255,.4);color:var(--cyan)}
.btn-ghost:hover{background:rgba(0,212,255,.1);transform:translateY(-3px)}

/* ---------- 子页横幅 ---------- */
.page-hero{
  position:relative;padding:128px 0 52px;overflow:hidden;
  background:
    radial-gradient(900px 420px at 70% 15%,rgba(43,107,255,.25),transparent 60%),
    var(--bg);
}
.page-hero .hero-img{opacity:.22}
.page-hero .wrap{position:relative;z-index:2}
.page-hero h1{font-size:46px;font-weight:800;letter-spacing:2px;margin-bottom:12px}
.page-hero h1 em{font-style:normal;color:var(--cyan)}
.page-hero p{color:var(--muted);font-size:16px;max-width:620px}

/* ---------- 子页内容区（重心上移、上下平衡） ---------- */
.sub-sec{padding:52px 0 88px}
.sub-sec.partner-grid-top,
.sub-sec > .wrap > .partner-grid,
.sub-sec > .wrap > .contact-box,
.sub-sec > .wrap > .ind-grid,
.sub-sec > .wrap > .agent-top{margin-top:0}

/* ---------- 数据条 ---------- */
.stats{
  position:relative;z-index:2;margin-top:80px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:18px;overflow:hidden;
  backdrop-filter:blur(10px);
}
.stat{background:rgba(8,15,35,.85);padding:34px 20px;text-align:center}
.stat b{display:block;font-size:42px;font-weight:800;color:var(--cyan);text-shadow:0 0 20px rgba(0,212,255,.5)}
.stat i{font-style:normal;font-size:26px;color:var(--cyan)}
.stat span{font-size:14px;color:var(--muted);letter-spacing:2px}

/* ---------- 双主线入口 ---------- */
.dual{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.dual-card{
  position:relative;border-radius:22px;overflow:hidden;border:1px solid var(--line);
  min-height:420px;display:flex;align-items:flex-end;
  transition:.4s;cursor:pointer;text-decoration:none;
}
.dual-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:.6s}
.dual-card:hover{transform:translateY(-8px);box-shadow:0 24px 60px rgba(0,140,255,.25);border-color:rgba(0,212,255,.5)}
.dual-card:hover img{transform:scale(1.06)}
.dual-card .overlay{
  position:relative;z-index:2;width:100%;padding:36px;
  background:linear-gradient(to top,rgba(4,8,20,.95) 20%,rgba(4,8,20,.4) 65%,transparent);
}
.dual-card .overlay em{font-style:normal;font-size:13px;letter-spacing:3px;color:var(--cyan)}
.dual-card .overlay h3{font-size:30px;margin:8px 0 10px}
.dual-card .overlay p{color:var(--muted);font-size:15px}
.dual-card .overlay .go{color:var(--cyan);font-size:14px;letter-spacing:2px;display:inline-block;margin-top:14px}

/* ---------- 智能体板块 ---------- */
#agents{background:linear-gradient(180deg,var(--bg) 0%,#071026 100%)}
.agent-top{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;margin-bottom:70px}
.agent-top .visual{position:relative;border-radius:24px;overflow:hidden;border:1px solid var(--line);box-shadow:0 20px 60px rgba(0,100,255,.18)}
.agent-top .visual img{width:100%;display:block}
.agent-feats{margin-top:30px;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.feat-chip{
  display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text);
  background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 16px;
}
.feat-chip::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:var(--glow);flex:none}

.agent-cards{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.agent-card{
  position:relative;border-radius:22px;overflow:hidden;border:1px solid var(--line);
  background:var(--card);transition:.4s;
}
.agent-card:hover{transform:translateY(-8px);box-shadow:0 24px 60px rgba(0,140,255,.25);border-color:rgba(0,212,255,.5)}
.agent-card .pic{position:relative;height:280px;overflow:hidden}
.agent-card .pic img{width:100%;height:100%;object-fit:cover;transition:.6s}
.agent-card:hover .pic img{transform:scale(1.06)}
.agent-card .pic::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,var(--card) 2%,transparent 45%)}
.agent-card .body{padding:8px 32px 36px}
.agent-card .body em{font-style:normal;font-size:12px;letter-spacing:3px;color:var(--cyan)}
.agent-card .body h3{font-size:26px;margin:10px 0 12px}
.agent-card .body p{color:var(--muted);font-size:15px;margin-bottom:18px}
.agent-card ul{list-style:none;display:flex;flex-wrap:wrap;gap:10px}
.agent-card ul li{
  font-size:13px;color:var(--text);border:1px solid var(--line);
  padding:6px 14px;border-radius:999px;background:rgba(0,212,255,.05);
}

/* ---------- 工业智能板块 ---------- */
#industrial{background:var(--bg)}
.ind-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:56px}
.ind-card{
  position:relative;border-radius:20px;overflow:hidden;height:340px;
  border:1px solid var(--line);transition:.4s;display:block;text-decoration:none;
}
.ind-card img{width:100%;height:100%;object-fit:cover;transition:.6s}
.ind-card:hover{transform:translateY(-8px);box-shadow:0 24px 60px rgba(0,140,255,.22);border-color:rgba(0,212,255,.5)}
.ind-card:hover img{transform:scale(1.07)}
.ind-card .cap{
  position:absolute;left:0;right:0;bottom:0;padding:26px 28px;z-index:2;
  background:linear-gradient(to top,rgba(4,8,20,.95),transparent);
}
.ind-card .cap h3{font-size:22px;margin-bottom:6px}
.ind-card .cap p{color:var(--muted);font-size:14px}

/* ---------- 合作伙伴 ---------- */
.partners-sec{background:linear-gradient(180deg,var(--bg) 0%,#071026 100%);padding:52px 0 88px}
.partner-grid{
  margin-top:56px;display:grid;grid-template-columns:repeat(5,1fr);gap:18px;
}
.partner{
  border:1px solid var(--line);border-radius:16px;padding:28px 14px;text-align:center;
  background:var(--card);transition:.3s;
}
.partner:hover{border-color:rgba(0,212,255,.5);box-shadow:var(--glow);transform:translateY(-5px)}
.p-badge{
  width:88px;height:88px;margin:0 auto 16px;border-radius:20px;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:800;letter-spacing:1px;color:#03101f;
  background:linear-gradient(135deg,#7ee7ff,#2b6bff);
}
.partner span{display:block;color:var(--text);font-size:13px;line-height:1.45}
.b1{background:linear-gradient(135deg,#8be9ff,#2f6bff)}
.b2{background:linear-gradient(135deg,#9ff0d0,#12a594)}
.b3{background:linear-gradient(135deg,#ffd479,#f0842a)}
.b4{background:linear-gradient(135deg,#c3b0ff,#6a4cf0)}
.b5{background:linear-gradient(135deg,#7ee7ff,#2b6bff)}
.b6{background:linear-gradient(135deg,#ff9ec4,#d6336c)}
.b7{background:linear-gradient(135deg,#8be9ff,#0e9cc7)}
.b8{background:linear-gradient(135deg,#a5f3a1,#2f9e44)}
.b9{background:linear-gradient(135deg,#ffd08a,#e8590c)}
.b10{background:linear-gradient(135deg,#b8e5ff,#3b7dd8)}

/* ---------- 联系 ---------- */
.contact-sec{background:linear-gradient(180deg,var(--bg) 0%,#071026 100%);padding:52px 0 88px}
.contact-box{
  margin-top:56px;border:1px solid var(--line);border-radius:24px;overflow:hidden;
  display:grid;grid-template-columns:1fr 1fr;background:var(--card);
}
.contact-box .info{padding:52px}
.contact-box .info h3{font-size:26px;margin-bottom:26px}
.contact-box .info .row{display:flex;gap:14px;margin-bottom:20px;color:var(--muted);font-size:15px;align-items:flex-start}
.contact-box .info .row b{color:var(--text);font-weight:600;flex:none;width:72px}
.contact-box .pic img{width:100%;height:100%;object-fit:cover;min-height:340px}

/* ---------- 跨页引导条 ---------- */
.cta-strip{
  border:1px solid var(--line);border-radius:22px;padding:44px 48px;margin-top:80px;
  background:linear-gradient(120deg,rgba(0,212,255,.08),rgba(43,107,255,.1));
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-strip h3{font-size:26px;margin-bottom:8px}
.cta-strip p{color:var(--muted);font-size:15px}

/* ---------- 页脚 ---------- */
footer{border-top:1px solid var(--line);padding:34px 0;text-align:center;color:var(--muted);font-size:13px;background:#03060f}
footer a{color:var(--muted);text-decoration:none;margin:0 8px}
footer a:hover{color:var(--cyan)}
footer .beian{margin-top:10px}

/* ---------- 滚动动画 ---------- */
.reveal{opacity:0;transform:translateY(36px);transition:opacity .8s ease,transform .8s ease}
.reveal.on{opacity:1;transform:none}

/* ---------- 响应式 ---------- */

/* ---------- 自定义修正：页脚公安徽章 & 联系页二维码 ---------- */
footer .beian img{height:18px;width:auto;vertical-align:middle}
.contact-box .pic img.qr-img{width:auto;max-width:100%;height:auto;max-height:380px;object-fit:contain;display:block;margin:0 auto;background:#fff;padding:16px;border-radius:8px}

@media(max-width:900px){
  h1.hero-title{font-size:40px}
  .page-hero h1{font-size:34px}
  h2.sec-title{font-size:30px}
  .nav-links{display:none}
  .stats{grid-template-columns:repeat(2,1fr)}
  .dual,.agent-cards,.ind-grid{grid-template-columns:1fr}
  .agent-top{grid-template-columns:1fr}
  .partner-grid{grid-template-columns:repeat(2,1fr)}
  .contact-box{grid-template-columns:1fr}
  section{padding:70px 0}
}


/* ---------- 移动端汉堡导航 ---------- */
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px 6px;line-height:1;color:var(--text)}
.nav-toggle .bar{display:block;width:24px;height:2px;background:currentColor;margin:5px 0;border-radius:2px}

/* ---------- 页脚分层（备案号同行置底） ---------- */
footer .f-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:4px 22px;margin-bottom:12px}
footer .f-copy{color:var(--muted)}
footer .beian{margin-top:14px;display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:6px}
footer .beian img{height:18px;width:auto;vertical-align:middle;margin-right:2px}
footer .f-sep{color:rgba(255,255,255,.18);margin:0 4px}

@media(max-width:900px){
  .nav-toggle{display:block}
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;background:rgba(5,10,24,.98);border-top:1px solid var(--line);padding:6px 24px 14px;max-height:calc(100vh - 68px);overflow-y:auto}
  .nav-links.open{display:flex}
  .nav-links li{border-bottom:1px solid rgba(255,255,255,.06)}
  .nav-links li:last-child{border-bottom:0}
  .nav-links a{display:block;padding:14px 0;font-size:16px}
}