:root{
    --bg:#0A0F1C; --bg-alt:#0D1425; --panel:#111A2C; --panel-2:#141F35;
    --line: rgba(159,175,204,0.14); --line-strong: rgba(159,175,204,0.28); --mesh: rgba(159,175,204,0.5);
    --text:#EAF0FB; --text-dim:#96A2BF; --text-faint:#5B6785;
    --cyan:#00E0D8; --cyan-soft: rgba(0,224,216,0.14);
    --amber:#FF7A3D; --amber-soft: rgba(255,122,61,0.14);
    --radius: 3px;
    --disp: 'Space Grotesk', 'Noto Sans SC', sans-serif; --cn: 'Noto Sans SC', sans-serif; --mono: 'JetBrains Mono', monospace; --maxw: 1180px;
  }
  *{box-sizing:border-box; margin:0; padding:0;}
  html{scroll-behavior:smooth;}
  body{background:var(--bg); color:var(--text); font-family:var(--cn); line-height:1.6; -webkit-font-smoothing:antialiased; overflow-x:hidden;}
  img,svg{display:block; max-width:100%;} a{color:inherit; text-decoration:none;} ul{list-style:none;}
  .wrap{max-width:var(--maxw); margin:0 auto; padding:0 28px;}
  .eyebrow{font-family:var(--mono); font-size:12px; letter-spacing:.14em; text-transform:uppercase; color:var(--cyan); display:flex; align-items:center; gap:10px; margin-bottom:16px;}
  .eyebrow::before{content:""; width:18px; height:1px; background:var(--cyan);}
  h1,h2,h3{font-family:var(--cn); font-weight:900; letter-spacing:-0.01em; color:var(--text);}
  h2{font-size:clamp(26px,3.4vw,40px); line-height:1.25;}
  .section-head{max-width:640px; margin-bottom:44px;}
  .section-head p{color:var(--text-dim); font-size:15.5px; margin-top:14px;}
  section{position:relative; padding:96px 0;}
  .skip-link{position:absolute; left:-999px; top:0; background:var(--cyan); color:#00201E; padding:10px 16px; z-index:999;}
  .skip-link:focus{left:12px; top:12px;}
  .mesh-bg{position:absolute; inset:0; pointer-events:none; background-image:linear-gradient(var(--line) 1px, transparent 1px),linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size:34px 34px; -webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 90%); mask-image:radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 90%); opacity:.5;}

  /* HEADER */
  header{position:fixed; top:0; left:0; right:0; z-index:100; background:rgba(10,15,28,0.6); backdrop-filter:blur(10px); border-bottom:1px solid transparent; transition:background .25s ease, border-color .25s ease;}
  header.scrolled{background:rgba(10,15,28,0.92); border-bottom-color:var(--line);}
  .navrow{display:flex; align-items:center; justify-content:space-between; height:72px;}
  .logo{display:flex; align-items:center; gap:10px; font-family:var(--disp); font-weight:700; font-size:19px; letter-spacing:.02em;}
  .logo .mark{width:30px; height:30px; flex:none;}
  .logo small{display:block; font-family:var(--mono); font-size:10px; color:var(--text-faint); font-weight:400; letter-spacing:.1em;}
  nav.primary{display:flex; align-items:center; gap:36px;}
  nav.primary a{font-size:14.5px; color:var(--text-dim); position:relative; padding:6px 0;}
  nav.primary a:hover, nav.primary a:focus-visible{color:var(--text);}
  nav.primary a::after{content:""; position:absolute; left:0; right:0; bottom:0; height:2px; background:var(--cyan); transform:scaleX(0); transition:transform .2s ease;}
  nav.primary a:hover::after, nav.primary a:focus-visible::after{transform:scaleX(1);}
  nav.primary a.active{color:var(--cyan);}
  nav.primary a.active::after{transform:scaleX(1);}
  .navcta{display:flex; align-items:center; gap:18px;}
  .tel{font-family:var(--mono); font-size:14px; color:var(--text-dim);}
  .tel strong{color:var(--cyan); font-weight:600;}
  .btn{display:inline-flex; align-items:center; gap:8px; padding:11px 22px; border-radius:var(--radius); font-size:14px; font-weight:600; cursor:pointer; border:1px solid transparent; transition:all .2s ease; font-family:var(--cn);}
  .btn-primary{background:var(--cyan); color:#00211E;}
  .btn-primary:hover{background:#33e9e2; transform:translateY(-1px);}
  .btn-ghost{border-color:var(--line-strong); color:var(--text);}
  .btn-ghost:hover{border-color:var(--cyan); color:var(--cyan);}

  /* PAGE BANNER */
  .page-banner{padding:150px 0 60px; position:relative; overflow:hidden; background:var(--bg-alt);}
  .page-banner .wrap{position:relative; z-index:2;}
  .breadcrumb{font-family:var(--mono); font-size:12.5px; color:var(--text-faint); margin-bottom:20px; display:flex; align-items:center; gap:8px;}
  .breadcrumb a:hover{color:var(--cyan);}
  .breadcrumb span.sep{color:var(--text-faint);}
  .page-banner h1{font-size:clamp(30px,4vw,46px); line-height:1.2; margin-bottom:16px;}
  .page-banner h1 em{font-style:normal; color:var(--cyan);}
  .page-banner .banner-sub{color:var(--text-dim); font-size:16px; max-width:600px;}

  /* PRODUCT CARDS */
  .bg-alt{background:var(--bg-alt);}
  .prod-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:24px;}
  .prod-card{border:1px solid var(--line); border-radius:var(--radius); background:var(--panel); overflow:hidden; transition:border-color .2s ease, transform .2s ease; display:flex; flex-direction:column;}
  .prod-card:hover{border-color:var(--cyan); transform:translateY(-3px);}
  .prod-img{height:220px; background:var(--bg-alt); position:relative; overflow:hidden; border-bottom:1px solid var(--line);}
  .prod-img img{width:100%; height:100%; object-fit:cover; transition:transform .4s ease;}
  .prod-card:hover .prod-img img{transform:scale(1.06);}
  .prod-img .badge{position:absolute; top:12px; right:12px; font-family:var(--mono); font-size:10.5px; color:var(--cyan); border:1px solid var(--cyan-soft); background:var(--cyan-soft); padding:3px 8px; border-radius:2px;}
  .prod-body{padding:24px; flex:1; display:flex; flex-direction:column;}
  .prod-body h3{font-size:18px; font-family:var(--disp); color:var(--cyan); margin-bottom:8px;}
  .prod-body .prod-desc{font-size:13.5px; color:var(--text-dim); margin-bottom:16px; flex:1;}
  .prod-specs{display:grid; grid-template-columns:1fr 1fr; gap:8px 16px; margin-bottom:18px; padding-top:16px; border-top:1px solid var(--line);}
  .prod-specs div{font-family:var(--mono); font-size:12px;}
  .prod-specs div .l{color:var(--text-faint); display:block;}
  .prod-specs div .v{color:var(--text);}
  .prod-link{font-size:13px; color:var(--cyan); font-family:var(--mono); display:inline-flex; align-items:center; gap:6px; transition:gap .2s ease;}
  .prod-link:hover{gap:10px;}

  /* INDUSTRY */
  .industry-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:20px;}
  .industry-card{border:1px solid var(--line); border-radius:var(--radius); padding:26px; background:var(--panel);}
  .industry-card h3{font-size:16px; font-family:var(--disp); color:var(--cyan); margin-bottom:14px; display:flex; align-items:center; gap:8px;}
  .industry-card h3 .dot{width:6px; height:6px; background:var(--cyan); border-radius:50%;}
  .chip-row{display:flex; flex-wrap:wrap; gap:8px;}
  .chip{font-size:12.5px; color:var(--text-dim); border:1px solid var(--line-strong); padding:5px 10px; border-radius:2px; font-family:var(--mono);}

  /* MATERIAL GALLERY */
  .material-gallery{margin-top:56px;}
  .gallery-grid{display:grid; grid-template-columns:repeat(5,1fr); gap:14px;}
  .swatch{border:1px solid var(--line); border-radius:var(--radius); aspect-ratio:1/1; display:flex; flex-direction:column; align-items:center; justify-content:flex-end; overflow:hidden; position:relative; background:var(--bg-alt); transition:border-color .2s ease, transform .2s ease;}
  .swatch:hover{border-color:var(--cyan); transform:translateY(-2px);}
  .swatch .sw-photo{position:absolute; inset:0; background-size:cover; background-position:center;}
  .swatch span{position:relative; z-index:2; font-size:12px; color:#fff; text-align:center; padding:8px 6px 10px; width:100%; background:linear-gradient(0deg, rgba(0,0,0,.72), transparent); text-shadow:0 1px 2px rgba(0,0,0,.5);}
  .form-note{font-size:12px; color:var(--text-faint); margin-top:12px;}

  /* PAGINATION */
  .pagination{display:flex; align-items:center; justify-content:center; gap:8px; margin-top:40px; padding-top:24px; border-top:1px solid var(--line);}
  .pagination .pg-btn{font-family:var(--mono); font-size:13.5px; padding:10px 18px; border:1px solid var(--line-strong); color:var(--text-dim); background:transparent; border-radius:var(--radius); cursor:pointer; transition:all .2s ease; display:inline-flex; align-items:center; gap:6px;}
  .pagination .pg-btn:hover:not(.disabled):not(.active){border-color:var(--cyan); color:var(--cyan);}
  .pagination .pg-btn.active{background:var(--cyan); color:#00211E; border-color:var(--cyan); font-weight:600;}
  .pagination .pg-btn.disabled{opacity:.35; cursor:not-allowed; pointer-events:none;}
  .pagination .pg-info{font-size:13px; color:var(--text-faint); font-family:var(--mono); margin-left:16px;}

  /* FOOTER */
  footer{border-top:1px solid var(--line); padding:56px 0 28px; background:var(--bg-alt);}
  .foot-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px; margin-bottom:40px;}
  .foot-grid h5{font-size:13px; color:var(--text-faint); text-transform:uppercase; letter-spacing:.08em; margin-bottom:16px; font-family:var(--mono);}
  .foot-grid ul li{margin-bottom:10px;}
  .foot-grid ul li a{font-size:13.5px; color:var(--text-dim);}
  .foot-grid ul li a:hover{color:var(--cyan);}
  .foot-bottom{display:flex; justify-content:space-between; align-items:center; border-top:1px solid var(--line); padding-top:22px; font-size:12.5px; color:var(--text-faint); flex-wrap:wrap; gap:10px;}

  .floatbtn{position:fixed; right:26px; bottom:26px; z-index:90; background:var(--cyan); color:#00211E; border-radius:50px; padding:14px 20px; display:flex; align-items:center; gap:8px; font-size:13.5px; font-weight:700; box-shadow:0 8px 24px rgba(0,224,216,.25);}
  .floatbtn svg{width:16px; height:16px;}
  .reveal{opacity:0; transform:translateY(18px); transition:opacity .6s ease, transform .6s ease;}
  .reveal.in{opacity:1; transform:translateY(0);}

  @media (prefers-reduced-motion: reduce){*{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important;} html{scroll-behavior:auto;}}
  @media (max-width:980px){
    nav.primary, .navcta .tel{display:none;}
    .prod-grid{grid-template-columns:repeat(2,1fr);}
    .industry-grid{grid-template-columns:1fr 1fr;}
    .gallery-grid{grid-template-columns:repeat(3,1fr);}
    .foot-grid{grid-template-columns:1fr 1fr;}
  }
  @media (max-width:560px){
    .wrap{padding:0 18px;} section{padding:64px 0;}
    .prod-grid, .industry-grid, .gallery-grid{grid-template-columns:1fr;}
    .foot-grid{grid-template-columns:1fr;}
    .pagination{flex-wrap:wrap; gap:6px;}
    .pg-info{display:none;}
	


/* 典型物料 */
.gallery-grid{
    display:grid;
    grid-template-columns:repeat(5,1fr);
    gap:16px;
}

.swatch{
    position:relative;
    overflow:hidden;
    aspect-ratio:1/1;
    border:1px solid var(--line);
    border-radius:6px;
    background:#101827;
    cursor:pointer;
    transition:.3s;
}

.swatch:hover{
    border-color:var(--cyan);
    transform:translateY(-4px);
}

.swatch img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:.4s;
}

.swatch:hover img{
    transform:scale(1.08);
}

.swatch span{
    position:absolute;
    left:0;
    right:0;
    bottom:0;
    z-index:2;
    padding:10px;
    font-size:13px;
    color:#fff;
    text-align:center;
    background:linear-gradient(to top,rgba(0,0,0,.8),rgba(0,0,0,.15),transparent);
}

@media(max-width:992px){
    .gallery-grid{
        grid-template-columns:repeat(3,1fr);
    }
}

@media(max-width:768px){
    .gallery-grid{
        grid-template-columns:repeat(2,1fr);
    }
}

@media(max-width:480px){
    .gallery-grid{
        grid-template-columns:1fr;
    }
}