: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 backdrop */
  .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);}
  .navtoggle{display:none;}

  /* ---------- HERO ---------- */
  .hero{padding:168px 0 100px; position:relative; overflow:hidden;}
  .hero-grid{display:grid; grid-template-columns:1.05fr .95fr; gap:56px; align-items:center;}
  .hero h1{font-size:clamp(32px,4.6vw,54px); line-height:1.18; margin-bottom:22px;}
  .hero h1 em{font-style:normal; color:var(--cyan);}
  .hero-sub{color:var(--text-dim); font-size:16.5px; max-width:520px; margin-bottom:34px;}
  .hero-cta{display:flex; gap:14px; margin-bottom:52px; flex-wrap:wrap;}
  .stat-row{display:grid; grid-template-columns:repeat(4,auto); gap:0; border-top:1px solid var(--line);}
  .stat{padding:18px 26px 0 0; border-left:1px solid var(--line); padding-left:20px;}
  .stat:first-child{border-left:none; padding-left:0;}
  .stat .num{font-family:var(--disp); font-size:28px; font-weight:700; color:var(--text); display:flex; align-items:baseline; gap:2px;}
  .stat .num span.unit{font-size:14px; color:var(--cyan); font-family:var(--mono);}
  .stat .label{font-size:12.5px; color:var(--text-faint); margin-top:4px;}

  .hero-visual{position:relative; height:420px; border:1px solid var(--line); border-radius:var(--radius); background:radial-gradient(ellipse 120% 90% at 50% 110%, var(--panel-2), var(--bg-alt)); overflow:hidden;}
  .hero-visual .mesh-bg{opacity:.35;}
  .hero-visual .tag{position:absolute; top:16px; left:16px; font-family:var(--mono); font-size:11px; color:var(--text-faint); letter-spacing:.08em; z-index:3;}
  .hero-visual .tag b{color:var(--cyan);}
  .hero-visual .freqtag{position:absolute; top:16px; right:16px; font-family:var(--mono); font-size:11px; color:var(--amber); letter-spacing:.08em; z-index:3; text-align:right;}
  .particles{position:absolute; inset:0; z-index:2;}
  .particle{position:absolute; width:3px; height:3px; background:var(--cyan); border-radius:50%; opacity:0; animation:fall 3.6s linear infinite;}
  @keyframes fall{
    0%{transform:translateY(-10px); opacity:0;}
    10%{opacity:.9;}
    85%{opacity:.3;}
    100%{transform:translateY(360px); opacity:0;}
  }
  .scanline{position:absolute; left:0; right:0; height:60px; top:-60px; background:linear-gradient(180deg, transparent, rgba(0,224,216,.08), transparent); animation:scan 5s ease-in-out infinite; z-index:1;}
  @keyframes scan{0%{top:-60px;} 50%{top:100%;} 100%{top:-60px;}}
  .machine-illust{position:absolute; inset:0; z-index:2; display:flex; align-items:center; justify-content:center; padding:36px;}
  .machine-illust svg{width:100%; height:100%;}
  .ring-spin{animation:spin 14s linear infinite; transform-origin:center;}
  .ring-spin-rev{animation:spinrev 10s linear infinite; transform-origin:center;}
  @keyframes spin{to{transform:rotate(360deg);}}
  @keyframes spinrev{to{transform:rotate(-360deg);}}
  .pulse-ring{animation:pulse 2.4s ease-in-out infinite;}
  @keyframes pulse{0%,100%{opacity:.35;} 50%{opacity:.9;}}
  .photo-note{position:absolute; bottom:14px; left:16px; right:16px; z-index:3; font-family:var(--mono); font-size:10.5px; color:var(--text-faint); border-top:1px dashed var(--line-strong); padding-top:8px;}

  /* ---------- ADVANTAGES ---------- */
  .adv-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line);}
  .adv-card{background:var(--bg); padding:32px 26px; transition:background .2s ease;}
  .adv-card:hover{background:var(--panel);}
  .adv-tag{font-family:var(--mono); font-size:11px; color:var(--amber); letter-spacing:.08em; margin-bottom:18px; display:inline-block; border:1px solid var(--amber-soft); background:var(--amber-soft); padding:3px 8px; border-radius:2px;}
  .adv-card h3{font-size:18px; margin-bottom:10px;}
  .adv-card p{font-size:13.8px; color:var(--text-dim);}
  .adv-icon{width:30px; height:30px; color:var(--cyan); margin-bottom:16px;}

  /* ---------- MATERIALS / PRODUCTS ---------- */
  .bg-alt{background:var(--bg-alt);}
  .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{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 .sw-photo img{width:100%; height:100%; object-fit:cover;}
  .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);}

  /* ---------- SOLUTIONS ---------- */
  .sol-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:16px;}
  .sol-card{border:1px solid var(--line); border-radius:var(--radius); padding:22px 18px; text-align:left; background:var(--bg);}
  .sol-card svg{width:24px; height:24px; color:var(--amber); margin-bottom:14px;}
  .sol-card h4{font-size:14.5px; font-weight:700;}

  /* ---------- SPECS ---------- */
  .spec-wrap{overflow-x:auto; border:1px solid var(--line); border-radius:var(--radius);}
  table.specs{width:100%; border-collapse:collapse; min-width:760px; font-family:var(--mono); font-size:13.5px;}
  table.specs caption{caption-side:top; text-align:left; font-family:var(--cn); font-size:12px; color:var(--text-faint); padding:14px 18px 0;}
  table.specs th, table.specs td{padding:14px 18px; text-align:left; border-bottom:1px solid var(--line);}
  table.specs thead th{color:var(--cyan); font-weight:600; background:var(--panel); font-size:12px; letter-spacing:.03em; text-transform:uppercase;}
  table.specs tbody tr:hover{background:var(--panel);}
  table.specs td:first-child{color:var(--text); font-weight:600;}

  /* ---------- ABOUT ---------- */
  .about-grid{display:grid; grid-template-columns:.95fr 1.05fr; gap:56px; align-items:center;}
  .about-copy p{color:var(--text-dim); font-size:15.5px; margin-bottom:16px;}
  .about-visual{position:relative; border:1px solid var(--line); border-radius:var(--radius); background:linear-gradient(160deg, var(--panel), var(--bg-alt)); overflow:hidden; aspect-ratio:4/3;}
  .about-visual .mesh-bg{opacity:.4;}
  .about-visual svg{position:relative; z-index:2; width:100%; height:100%;}
  .about-visual .photo-note{position:absolute; bottom:14px; left:16px; right:16px; z-index:3; font-family:var(--mono); font-size:10.5px; color:var(--text-faint); border-top:1px dashed var(--line-strong); padding-top:8px;}
  .about-stats{display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--line); border:1px solid var(--line); margin-top:28px;}
  .about-stats div{background:var(--bg); padding:22px;}
  .about-stats .n{font-family:var(--disp); font-size:26px; font-weight:700; color:var(--cyan);}
  .about-stats .l{font-size:12px; color:var(--text-faint); margin-top:4px;}

  .marquee-outer{overflow:hidden; border-top:1px solid var(--line); border-bottom:1px solid var(--line); padding:22px 0; margin-top:20px;}
  .marquee-track{display:flex; gap:44px; width:max-content; animation:scroll-left 32s linear infinite;}
  .marquee-track span{font-family:var(--mono); font-size:13px; color:var(--text-faint); white-space:nowrap;}
  @keyframes scroll-left{from{transform:translateX(0);} to{transform:translateX(-50%);}}

  /* ---------- ABOUT VISUAL IMAGE ---------- */
  .about-visual img{width:100%; height:100%; object-fit:cover; position:relative; z-index:2;}

  /* ---------- NEWS ---------- */
  .news-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:20px;}
  .news-card{border:1px solid var(--line); border-radius:var(--radius); padding:28px 24px; background:var(--panel); transition:border-color .2s ease, transform .2s ease; display:flex; flex-direction:column;}
  .news-card:hover{border-color:var(--cyan); transform:translateY(-2px);}
  .news-date{font-family:var(--mono); font-size:12px; color:var(--cyan); letter-spacing:.05em; margin-bottom:14px; display:inline-block; border:1px solid var(--cyan-soft); background:var(--cyan-soft); padding:3px 10px; border-radius:2px;}
  .news-card h3{font-size:16px; margin-bottom:10px; line-height:1.4;}
  .news-card p{font-size:13.5px; color:var(--text-dim); margin-bottom:16px; flex:1;}
  .news-more{font-size:13px; color:var(--cyan); font-family:var(--mono); display:inline-flex; align-items:center; gap:6px; transition:gap .2s ease;}
  .news-more:hover{gap:10px;}

  /* ---------- CONTACT ---------- */
  .contact-grid{display:grid; grid-template-columns:.9fr 1.1fr; gap:56px;}
  .contact-info .tel-big{font-family:var(--disp); font-size:38px; font-weight:700; color:var(--cyan); margin:10px 0 6px;}
  .contact-info p{color:var(--text-dim); font-size:14px;}
  .info-line{display:flex; gap:12px; padding:16px 0; border-top:1px solid var(--line);}
  .info-line svg{width:18px; height:18px; color:var(--cyan); flex:none; margin-top:2px;}
  .info-line div h4{font-size:14px; margin-bottom:3px;}
  .info-line div p{font-size:13px; color:var(--text-faint);}

  form.inquiry{border:1px solid var(--line); border-radius:var(--radius); padding:32px; background:var(--panel);}
  .form-row{display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-bottom:16px;}
  .field{display:flex; flex-direction:column; gap:8px;}
  .field.full{grid-column:1/-1;}
  label{font-size:12.5px; color:var(--text-dim);}
  input, textarea, select{
    background:var(--bg); border:1px solid var(--line-strong); color:var(--text);
    padding:11px 12px; border-radius:2px; font-family:var(--cn); font-size:14px;
  }
  input:focus, textarea:focus, select:focus{outline:2px solid var(--cyan); outline-offset:1px; border-color:var(--cyan);}
  textarea{resize:vertical; min-height:90px;}
  .form-note{font-size:12px; color:var(--text-faint); margin-top:12px;}
  .captcha-row{display:flex; align-items:stretch; gap:10px;}
  .captcha-row input{flex:1; min-width:0;}
  .captcha-code{
    font-family:var(--mono); font-size:19px; font-weight:600; letter-spacing:.12em;
    color:var(--text); background:
      repeating-linear-gradient(115deg, rgba(0,224,216,.08) 0 2px, transparent 2px 7px),
      var(--bg);
    border:1px solid var(--line-strong); border-radius:2px;
    padding:0 16px; display:flex; align-items:center; justify-content:center;
    min-width:104px; user-select:none; position:relative; overflow:hidden;
  }
  .captcha-code span{position:relative; z-index:2; transform:skewX(-6deg); display:inline-block;}
  .captcha-code::before{content:""; position:absolute; left:10%; right:10%; top:50%; height:1px; background:var(--line-strong);}
  .captcha-refresh{
    border:1px solid var(--line-strong); background:var(--bg); color:var(--text-dim);
    border-radius:2px; width:44px; display:flex; align-items:center; justify-content:center; cursor:pointer;
    transition:border-color .2s ease, color .2s ease;
  }
  .captcha-refresh:hover{border-color:var(--cyan); color:var(--cyan);}
  .captcha-refresh svg{width:16px; height:16px;}
  .field-error{font-size:12px; color:var(--amber); min-height:16px; margin-top:4px;}

  /* ---------- 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;}
    .hero-grid, .about-grid, .contact-grid{grid-template-columns:1fr;}
    .adv-grid{grid-template-columns:repeat(2,1fr);}
    .industry-grid{grid-template-columns:1fr 1fr;}
    .gallery-grid{grid-template-columns:repeat(3,1fr);}
    .sol-grid{grid-template-columns:repeat(2,1fr);}
    .news-grid{grid-template-columns:1fr 1fr;}
    .stat-row{grid-template-columns:repeat(2,1fr); row-gap:18px;}
    .foot-grid{grid-template-columns:1fr 1fr;}
  }
  @media (max-width:560px){
    .wrap{padding:0 18px;}
    section{padding:64px 0;}
    .adv-grid, .industry-grid, .gallery-grid, .sol-grid, .news-grid{grid-template-columns:1fr;}
    .form-row{grid-template-columns:1fr;}
    .foot-grid{grid-template-columns:1fr;}
    .hero-visual{height:320px;}
  }