:root{
    --navy:#0a1a2f; --navy-2:#112743; --ink:#13202e; --ink-2:#47566a; --muted:#7a8898;
    --line:#dfe5ec; --soft:#f2f5f8; --paper:#fff;
    --brand:#1592e6; --brand-d:#0d72bb; --brand-l:#e6f3fd; --accent:#ffb400;
    --max:1240px;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth;scroll-padding-top:80px}
  body{font-family:"Barlow","Noto Sans JP",system-ui,sans-serif;color:var(--ink);background:var(--paper);font-size:16.5px;line-height:1.6;-webkit-font-smoothing:antialiased}
  html[lang=ja] body{font-family:"Noto Sans JP","Barlow",system-ui,sans-serif;font-size:15.5px;line-height:1.8}
  a{color:inherit;text-decoration:none}
  img{max-width:100%;display:block}
  .wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
  .cond{font-family:"Barlow Condensed","Noto Sans JP",sans-serif;text-transform:uppercase;letter-spacing:.02em}
  html[lang=ja] .cond{font-family:"Noto Sans JP",sans-serif;text-transform:none;letter-spacing:0}
  h1,h2,h3{line-height:1.15;font-weight:700}
  h2{font-family:"Barlow Condensed","Noto Sans JP",sans-serif;font-size:clamp(30px,3.6vw,46px);text-transform:uppercase;letter-spacing:.01em;margin:10px 0 14px}
  html[lang=ja] h2{font-family:"Noto Sans JP",sans-serif;text-transform:none;font-size:clamp(26px,3vw,38px);line-height:1.4}
  .kicker{font-size:13px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--brand)}
  .kicker::before{content:"■ ";color:var(--accent)}
  .lead{color:var(--ink-2);font-size:17.5px;max-width:660px}
  section{padding:88px 0}
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 24px;font:700 15px/1 inherit;font-family:inherit;border:0;cursor:pointer;transition:.2s;border-radius:2px;text-transform:uppercase;letter-spacing:.04em}
  html[lang=ja] .btn{text-transform:none;letter-spacing:0}
  .btn-primary{background:var(--brand);color:#fff}
  .btn-primary:hover{background:var(--brand-d)}
  .btn-accent{background:var(--accent);color:var(--navy)}
  .btn-accent:hover{background:#ffc53a}
  .btn-line{background:transparent;color:#fff;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.5)}
  .btn-line:hover{box-shadow:inset 0 0 0 1.5px #fff}

  /* Header */
  .topbar{background:#06111f;color:#9fb0c3;font-size:13px}
  .topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:38px;gap:12px}
  .topbar a{color:#fff;font-weight:600}
  .topbar .info{display:flex;gap:22px;align-items:center}
  .langs{display:flex;border:1px solid rgba(255,255,255,.18)}
  .langs a{color:#9fb0c3;padding:6px 12px;font-size:12.5px;font-weight:600;line-height:1}
  .langs a+a{border-left:1px solid rgba(255,255,255,.18)}
  .langs a[aria-current]{background:var(--brand);color:#fff}
  .langs a:hover{color:#fff}
  header.site{position:sticky;top:0;z-index:50;background:#fff;box-shadow:0 1px 0 var(--line)}
  header.site .wrap{display:flex;align-items:center;gap:28px;height:74px}
  .brand{display:flex;align-items:center;gap:12px;flex:none}
  .brand img{height:46px}
  .brand b{display:block;font-family:"Barlow Condensed",sans-serif;font-size:22px;letter-spacing:.03em;line-height:1}
  .brand b span{color:var(--brand)}
  .brand small{display:block;font-size:10.5px;letter-spacing:.22em;color:var(--muted);font-weight:600;margin-top:4px}
  nav.main{display:flex;align-items:center;gap:4px;margin-left:auto;font-weight:600;font-size:15px;white-space:nowrap}
  nav.main a:not(.btn){padding:10px 14px;color:var(--ink-2)}
  nav.main a:not(.btn):hover{color:var(--brand)}
  nav.main .btn{margin-left:10px;padding:13px 20px;font-size:14px}
  .menu-btn{white-space:nowrap;display:none;margin-left:auto;background:var(--navy);color:#fff;border:0;padding:10px 14px;font:600 13px inherit;font-family:inherit;cursor:pointer}

  /* Hero */
  .hero{background:var(--navy);color:#fff;position:relative;overflow:hidden;padding:84px 0 0}
  .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:32px 32px;mask-image:linear-gradient(180deg,#000 40%,transparent)}
  .hero::after{content:"";position:absolute;right:-180px;top:-140px;width:640px;height:640px;border-radius:50%;background:radial-gradient(circle,rgba(21,146,230,.35),transparent 65%)}
  .hero .wrap{position:relative;z-index:1}
  .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:56px;align-items:end}
  .hero .kicker{color:#6cc4ff}
  .hero h1{font-family:"Barlow Condensed","Noto Sans JP",sans-serif;font-size:clamp(44px,6.4vw,84px);text-transform:uppercase;line-height:.98;margin:18px 0 22px;letter-spacing:.005em}
  html[lang=ja] .hero h1{font-family:"Noto Sans JP",sans-serif;text-transform:none;font-size:clamp(32px,4.4vw,56px);line-height:1.3}
  .hero h1 em{font-style:normal;color:var(--brand);display:block}
  .hero .lead{color:#b8c6d6}
  .hero .actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
  .hero-side{border-left:1px solid rgba(255,255,255,.14);padding-left:36px;display:grid;gap:22px;padding-bottom:6px}
  .hero-side div b{display:block;font-family:"Barlow Condensed",sans-serif;font-size:44px;line-height:1;color:#fff}
  .hero-side div b span{color:var(--accent)}
  .hero-side div p{color:#8fa3b8;font-size:14px}
  .hero-side .note{font-size:12px;color:#6d8399}

  /* Search panel */
  .search-panel{background:#fff;color:var(--ink);margin-top:64px;padding:30px 34px 26px;box-shadow:0 30px 60px -30px rgba(0,0,0,.45);position:relative;border-top:4px solid var(--brand)}
  .search-panel .sp-title{font-family:inherit;font-size:20px;text-transform:none;letter-spacing:0;margin:0 0 14px;line-height:1.3}
  form.quick-search{display:flex;gap:0;border:2px solid var(--navy)}
  form.quick-search input{flex:1;border:0;padding:16px 18px;font:inherit;font-size:16px;min-width:0;color:var(--ink)}
  form.quick-search input:focus{outline:none;background:var(--brand-l)}
  form.quick-search button{border-radius:0;padding:0 28px}
  .hints{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;align-items:center;font-size:14px;color:var(--muted)}
  .hints button{background:var(--soft);border:1px solid var(--line);padding:6px 12px;font:500 13.5px inherit;font-family:inherit;color:var(--ink-2);cursor:pointer;border-radius:2px}
  .hints button:hover{border-color:var(--brand);color:var(--brand)}

  /* Catalog */
  .catalog{padding-top:72px;background:linear-gradient(180deg,var(--soft),#fff)}
  .cat-groups{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:40px}
  .cat-group{background:#fff;border:1px solid var(--line);display:flex;flex-direction:column}
  .cat-more{margin-top:auto;border-top:1px solid var(--line);padding:14px 22px;font-weight:700;font-size:14px;color:var(--brand);text-transform:uppercase;letter-spacing:.06em;background:var(--soft)}
  html[lang=ja] .cat-more{text-transform:none;letter-spacing:0}
  .cat-more:hover{background:var(--brand);color:#fff}
  .cat-head{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;background:var(--navy);color:#fff;transition:.2s}
  .cat-head:hover{background:var(--brand-d)}
  .cat-head h3{font-family:"Barlow Condensed","Noto Sans JP",sans-serif;font-size:22px;text-transform:uppercase;letter-spacing:.02em}
  html[lang=ja] .cat-head h3{font-family:"Noto Sans JP",sans-serif;font-size:18px}
  .cat-head span{font-family:"Barlow Condensed",sans-serif;color:var(--accent);font-size:22px}
  .cat-items{display:grid;grid-template-columns:1fr 1fr}
  .cat-item{display:flex;flex-direction:column;gap:12px;padding:20px 20px 18px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);cursor:pointer;background:#fff;text-align:left;font:600 15px/1.35 inherit;font-family:inherit;color:var(--ink);transition:.18s}
  .cat-item:nth-child(2n){border-right:0}
  .cat-item:nth-last-child(-n+2){border-bottom:0}
  .cat-items.odd .cat-item:nth-last-child(2){border-bottom:1px solid var(--line)}
  .cat-items.odd .cat-item:last-child{grid-column:1/-1;flex-direction:row;align-items:center}
  .cat-item:hover{background:var(--brand-l);color:var(--brand-d)}
  .cat-item svg{width:40px;height:40px;color:var(--brand)}
  .specs{display:grid;grid-template-columns:auto 1fr;gap:18px 36px;margin-top:36px;padding:26px 30px;background:#fff;border:1px solid var(--line);align-items:center}
  .specs h4{font-size:13px;text-transform:uppercase;letter-spacing:.14em;color:var(--muted)}
  .badges{display:flex;flex-wrap:wrap;gap:8px}
  .badges span{font-family:"Barlow Condensed",sans-serif;font-size:18px;font-weight:700;border:1.5px solid var(--navy);padding:4px 14px;letter-spacing:.04em}
  .specs p{color:var(--ink-2);font-weight:500}

  /* Services zig-zag */
  .svc-row{display:grid;grid-template-columns:1fr 1fr;gap:0;align-items:stretch;margin-top:0}
  .svc-row+.svc-row{margin-top:24px}
  .svc-row:nth-child(even) .svc-media{order:2}
  .svc-media{min-height:300px}
  .svc-text{background:var(--soft);padding:48px 52px;display:flex;flex-direction:column;justify-content:center;position:relative}
  .svc-text .big{font-family:"Barlow Condensed",sans-serif;font-size:76px;line-height:1;color:var(--brand);opacity:.18;position:absolute;top:24px;right:36px}
  .svc-text h3{font-family:"Barlow Condensed","Noto Sans JP",sans-serif;font-size:32px;text-transform:uppercase;margin-bottom:12px}
  html[lang=ja] .svc-text h3{font-family:"Noto Sans JP",sans-serif;font-size:24px}
  .svc-text p{color:var(--ink-2);max-width:480px}
  .svc-text a{margin-top:22px;font-weight:700;color:var(--brand);display:inline-flex;gap:8px;text-transform:uppercase;font-size:14px;letter-spacing:.06em}
  .photo{background:linear-gradient(135deg,#1b3352,#0f2238);color:#8fa3b8;display:grid;place-items:center;text-align:center;font-size:14px;position:relative;overflow:hidden;padding:24px}
  .photo::before{content:"";position:absolute;inset:14px;border:1px dashed rgba(255,255,255,.22)}
  .photo svg{width:40px;height:40px;margin:0 auto 10px;color:#6cc4ff}
  .photo div{position:relative}

  /* Stats band */
  .band{background:var(--brand);color:#fff;padding:52px 0}
  .band .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
  .band b{display:block;font-family:"Barlow Condensed",sans-serif;font-size:54px;line-height:1}
  .band p{color:#d9eefc;font-weight:500}
  .band small{display:block;margin-top:22px;color:#cbe6fa;font-size:12.5px}

  /* Why / process */
  .why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:44px}
  .why-card{border-top:4px solid var(--navy);padding:26px 0 0}
  .why-card .n{font-family:"Barlow Condensed",sans-serif;font-size:20px;color:var(--brand);font-weight:700}
  .why-card h3{font-size:20px;margin:8px 0 10px}
  .why-card p{color:var(--ink-2);font-size:15.5px}
  .process{background:var(--navy);color:#fff}
  .process .lead{color:#b8c6d6}
  .process .kicker{color:#6cc4ff}
  .steps{display:grid;grid-template-columns:repeat(5,1fr);gap:4px;margin-top:44px}
  .step{background:var(--navy-2);padding:28px 24px 30px;position:relative;clip-path:polygon(0 0,calc(100% - 18px) 0,100% 50%,calc(100% - 18px) 100%,0 100%,18px 50%)}
  .step:first-child{clip-path:polygon(0 0,calc(100% - 18px) 0,100% 50%,calc(100% - 18px) 100%,0 100%)}
  .step:last-child{clip-path:polygon(0 0,100% 0,100% 100%,0 100%,18px 50%)}
  .step .no{font-family:"Barlow Condensed",sans-serif;font-size:40px;color:var(--accent);line-height:1}
  .step h3{font-size:18px;margin:10px 0 8px;padding-left:10px}
  .step p{color:#9fb0c3;font-size:14.5px;padding-left:10px}
  .step .no{padding-left:10px}

  /* QC + industries */
  .qc-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:start}
  .qc-items{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:30px}
  .qc-items div{border:1px solid var(--line);padding:22px;display:flex;gap:14px;align-items:flex-start;font-weight:600}
  .qc-items svg{flex:none;width:26px;height:26px;color:var(--brand)}
  .ind-box{background:var(--soft);padding:34px}
  .ind-box h3{font-size:14px;text-transform:uppercase;letter-spacing:.14em;color:var(--muted);margin-bottom:18px}
  .ind-list{display:grid;grid-template-columns:1fr 1fr;gap:10px}
  .ind-list span{background:#fff;padding:14px 16px;font-weight:600;border-left:3px solid var(--brand)}
  .clients{margin-top:24px}
  .logo-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
  .logo-row div{height:56px;border:1px dashed #c3ced9;display:grid;place-items:center;font-size:12px;color:#a3b0bd;font-weight:700;letter-spacing:.12em;background:#fff}
  .clients p{font-size:12.5px;color:var(--muted);margin-top:10px}

  /* About */
  .about{background:var(--soft)}
  .about-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}
  .about .photo{min-height:420px}
  .about p{color:var(--ink-2);margin-bottom:14px}
  .mv{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}
  .mv div{background:#fff;padding:22px;border-top:3px solid var(--accent)}
  .mv h3{font-size:17px;margin-bottom:6px}
  .mv p{font-size:15px;margin:0}
  .profile-strip{margin-top:28px;display:flex;align-items:center;gap:20px;background:var(--navy);color:#fff;padding:22px 26px;flex-wrap:wrap}
  .profile-strip div{flex:1;min-width:220px}
  .profile-strip b{display:block;font-size:18px}
  .profile-strip span{color:#9fb0c3;font-size:14px}

  /* RFQ */
  .rfq{background:var(--navy);color:#fff}
  .rfq-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px}
  .rfq .kicker{color:#6cc4ff}
  .rfq .lead{color:#b8c6d6}
  .contacts{margin-top:32px;border-top:1px solid rgba(255,255,255,.12)}
  .contacts div{padding:18px 0;border-bottom:1px solid rgba(255,255,255,.12)}
  .contacts small{display:block;color:#7f94aa;text-transform:uppercase;letter-spacing:.12em;font-size:12px;font-weight:700}
  .contacts a,.contacts span{font-size:18px;font-weight:600}
  .contacts .big a{font-family:"Barlow Condensed",sans-serif;font-size:34px;color:var(--accent)}
  form.rfq-form{background:#fff;color:var(--ink);padding:34px;display:grid;grid-template-columns:1fr 1fr;gap:16px 18px;border-top:4px solid var(--brand)}
  .field{display:flex;flex-direction:column;gap:6px}
  .field.full{grid-column:1/-1}
  .field label{font-size:13.5px;font-weight:700;color:var(--ink-2)}
  .field input,.field select,.field textarea{font:inherit;font-size:15.5px;padding:12px 14px;border:1.5px solid #cdd6df;border-radius:0;background:#fff;color:var(--ink);width:100%}
  .field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand)}
  .field textarea{min-height:120px;resize:vertical}
  .file-drop{border:1.5px dashed #b9c6d3;padding:16px;text-align:center;color:var(--muted);font-size:14px;cursor:pointer;background:var(--soft)}
  .file-drop:hover{border-color:var(--brand);color:var(--brand)}
  .file-drop input{display:none}
  .file-list{list-style:none;margin:8px 0 0;padding:0;font-size:13px;color:var(--muted);max-height:180px;overflow:auto}
  .file-list li{padding:4px 8px;border-bottom:1px solid #e3e9ef;word-break:break-all}
  .file-list li::before{content:"📎 "}
  .form-msg{grid-column:1/-1;padding:14px 16px;font-size:14px;display:none}
  .form-msg.ok{display:block;background:#e9f8ef;color:#17663a}
  .form-msg.err{display:block;background:#fdecec;color:#a12626}
  .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

  footer{background:#06111f;color:#8fa3b8;padding:56px 0 26px;font-size:14.5px}
  footer .grid{display:grid;grid-template-columns:1.6fr 1fr 1.2fr;gap:44px}
  footer .fbrand{display:flex;gap:12px;align-items:center;margin-bottom:16px;color:#fff}
  footer .fbrand img{height:42px;background:#fff;padding:3px}
  footer h4{color:#fff;font-size:13px;text-transform:uppercase;letter-spacing:.14em;margin-bottom:14px}
  footer li{list-style:none;margin-bottom:9px}
  footer a:hover{color:#fff}
  footer .bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:44px;padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px}

  .floating{position:fixed;right:18px;bottom:18px;z-index:60;display:flex;flex-direction:column;gap:10px}
  .floating a{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;color:#fff;font-size:11px;font-weight:700;box-shadow:0 10px 24px -8px rgba(0,0,0,.4);transition:.2s}
  .floating a:hover{transform:scale(1.06)}
  .floating .zalo{background:#0068ff}.floating .line{background:#06c755}.floating .call{background:var(--accent);color:var(--navy)}
  .floating svg{width:22px;height:22px}

  .reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
  .reveal.in{opacity:1;transform:none}
  @media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

  @media (max-width:1100px){
    .menu-btn{display:block}
    nav.main{display:none;position:absolute;top:74px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:8px 24px 20px;box-shadow:0 20px 30px -20px rgba(0,0,0,.25);gap:0}
    nav.main.open{display:flex}
    nav.main a:not(.btn){padding:14px 0;border-bottom:1px solid var(--line)}
    nav.main .btn{margin:14px 0 0}
    .cat-groups{grid-template-columns:1fr 1fr}
    .why-grid{grid-template-columns:1fr 1fr}
    .steps{grid-template-columns:1fr;gap:6px}
    .step,.step:first-child,.step:last-child{clip-path:none;border-left:4px solid var(--accent)}
  }
  @media (max-width:900px){
    section{padding:68px 0}
    .hero-grid,.qc-grid,.about-grid,.rfq-grid{grid-template-columns:1fr;gap:40px}
    .hero-side{border-left:0;padding-left:0;grid-template-columns:1fr 1fr;border-top:1px solid rgba(255,255,255,.14);padding-top:28px}
    .hero-side .note{grid-column:1/-1}
    .svc-row{grid-template-columns:1fr}
    .svc-row:nth-child(even) .svc-media{order:0}
    .svc-media{min-height:200px}
    .band .grid{grid-template-columns:1fr 1fr}
    .about .photo{min-height:260px}
    footer .grid{grid-template-columns:1fr;gap:30px}
    .specs{grid-template-columns:1fr;gap:10px}
  }
  @media (max-width:600px){
    .wrap{padding:0 16px}
    .topbar .info .hide-sm{display:none}
    header.site .wrap{height:66px}
    nav.main{top:66px}
    .brand img{height:38px}
    .brand b{font-size:19px}
    .hero{padding-top:52px}
    .search-panel{padding:22px 18px;margin-top:44px}
    form.quick-search{flex-direction:column;border:0;gap:10px}
    form.quick-search input{border:2px solid var(--navy)}
    form.quick-search button{padding:15px}
    .cat-groups,.why-grid,.qc-items,.mv{grid-template-columns:1fr}
    .svc-text{padding:34px 24px}
    .svc-text .big{font-size:56px;right:20px}
    .band b{font-size:40px}
    form.rfq-form{grid-template-columns:1fr;padding:22px}
    .ind-list{grid-template-columns:1fr}
    .floating a{width:46px;height:46px}
  }

  /* ===== Bổ sung cho website nhiều trang ===== */
  .skip{position:absolute;left:-9999px;top:0;background:var(--accent);color:var(--navy);padding:10px 16px;font-weight:700;z-index:100}
  .skip:focus{left:12px;top:12px}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px}
  nav.main a[aria-current=page]{color:var(--brand)}
  .dd{position:relative}
  .dd>a{display:inline-flex;align-items:center;gap:4px}
  .caret svg{width:14px;height:14px;transition:.2s}
  .dd-menu{list-style:none;position:absolute;top:100%;left:0;min-width:300px;background:#fff;box-shadow:0 24px 40px -18px rgba(10,26,47,.35);border-top:3px solid var(--brand);padding:8px 0;opacity:0;visibility:hidden;transform:translateY(8px);transition:.18s}
  .dd:hover .dd-menu,.dd:focus-within .dd-menu{opacity:1;visibility:visible;transform:none}
  .dd:hover .caret svg{transform:rotate(180deg)}
  .dd-menu a{display:flex;gap:12px;align-items:center;padding:11px 20px!important;color:var(--ink)!important;font-weight:600}
  .dd-menu a:hover{background:var(--brand-l);color:var(--brand-d)!important}
  .dd-num{font-family:"Barlow Condensed",sans-serif;color:var(--accent);font-size:17px;width:22px}
  .dd-all{border-top:1px solid var(--line);margin-top:6px;padding-top:4px}
  .dd-all a{color:var(--brand)!important;font-size:14px}

  .page-hero{background:var(--navy);color:#fff;padding:56px 0 60px;position:relative;overflow:hidden}
  .page-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:32px 32px}
  .page-hero::after{content:"";position:absolute;right:-160px;top:-200px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(21,146,230,.32),transparent 65%)}
  .page-hero .wrap{position:relative;z-index:1}
  .page-hero h1{font-family:"Barlow Condensed","Noto Sans JP",sans-serif;font-size:clamp(36px,5vw,62px);text-transform:uppercase;line-height:1.02;margin:18px 0 16px}
  html[lang=ja] .page-hero h1{font-family:"Noto Sans JP",sans-serif;text-transform:none;font-size:clamp(28px,3.6vw,44px);line-height:1.35}
  .page-hero .lead{color:#b8c6d6;max-width:760px}
  .crumbs{list-style:none;display:flex;flex-wrap:wrap;gap:6px;font-size:13.5px;color:#8fa3b8}
  .crumbs li+li::before{content:"/";margin-right:6px;color:#4d6680}
  .crumbs a:hover{color:#fff}
  .crumbs [aria-current]{color:var(--accent)}

  h2.sub{font-family:"Barlow Condensed","Noto Sans JP",sans-serif;font-size:28px;text-transform:uppercase;margin:0 0 20px;padding-bottom:12px;border-bottom:2px solid var(--navy);position:relative}
  h2.sub::after{content:"";position:absolute;left:0;bottom:-2px;width:60px;height:2px;background:var(--accent)}
  html[lang=ja] h2.sub{font-family:"Noto Sans JP",sans-serif;text-transform:none;font-size:22px}
  h2.h3{font-family:"Barlow Condensed","Noto Sans JP",sans-serif;font-size:32px;text-transform:uppercase;margin:0 0 12px}
  html[lang=ja] h2.h3{font-family:"Noto Sans JP",sans-serif;text-transform:none;font-size:24px}

  .cat-page{padding:64px 0 88px}
  .cat-layout{display:grid;grid-template-columns:1fr 340px;gap:48px;align-items:start}
  .cat-main>*+h2.sub{margin-top:56px}
  .item-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
  .item-card{display:flex;gap:18px;border:1px solid var(--line);padding:22px;background:#fff;transition:.18s;scroll-margin-top:100px}
  .item-card:hover,.item-card:target{border-color:var(--brand);box-shadow:0 14px 30px -20px rgba(10,26,47,.35)}
  .item-card:target{background:var(--brand-l)}
  .item-ico{flex:none;width:58px;height:58px;background:var(--brand-l);color:var(--brand);display:grid;place-items:center}
  .item-ico svg{width:38px;height:38px}
  .item-card h3{font-size:18px;margin-bottom:4px}
  .item-card .std{font-family:"Barlow Condensed",sans-serif;font-size:15px;color:var(--brand-d);letter-spacing:.03em;margin-bottom:6px}
  .item-card p:not(.std){color:var(--ink-2);font-size:15px}
  .table-wrap{overflow-x:auto}
  .spec-table{width:100%;border-collapse:collapse;font-size:15.5px}
  .spec-table th,.spec-table td{padding:14px 18px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
  .spec-table th{width:34%;background:var(--soft);font-weight:700;color:var(--ink)}
  .spec-table tr:first-child th,.spec-table tr:first-child td{border-top:1px solid var(--line)}
  .apps-photo{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:end;margin-top:56px}
  .check-list{list-style:none;display:grid;gap:12px}
  .check-list li{display:flex;gap:12px;align-items:flex-start;font-weight:500}
  .check-list svg{flex:none;width:22px;height:22px;color:#fff;background:var(--brand);padding:4px;margin-top:1px}
  .check-list.sm li{font-size:14.5px}
  .check-list.sm svg{width:18px;height:18px;padding:3px}
  .faq{display:grid;gap:10px}
  .faq details{border:1px solid var(--line);background:#fff}
  .faq summary{list-style:none;cursor:pointer;padding:18px 22px;font-weight:700;display:flex;justify-content:space-between;gap:16px;align-items:center}
  .faq summary::-webkit-details-marker{display:none}
  .faq summary svg{width:18px;height:18px;transition:.2s;color:var(--brand)}
  .faq details[open] summary svg{transform:rotate(180deg)}
  .faq details[open] summary{color:var(--brand-d)}
  .faq details p{padding:0 22px 20px;color:var(--ink-2)}
  .cat-side{position:sticky;top:100px;display:grid;gap:20px}
  .side-cta{background:var(--navy);color:#fff;padding:28px;border-top:4px solid var(--accent)}
  .side-cta h3{font-size:21px;margin-bottom:8px;line-height:1.3}
  .side-cta>p{color:#b8c6d6;font-size:15px;margin-bottom:20px}
  .side-cta h4{font-size:12.5px;text-transform:uppercase;letter-spacing:.14em;color:#7f94aa;margin-bottom:12px}
  .side-cta .check-list li{font-weight:500;color:#dbe5ef}
  .side-cta .btn{width:100%;margin-top:22px}
  .side-phone{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:14px;font-family:"Barlow Condensed",sans-serif;font-size:26px;color:var(--accent)}
  .side-phone svg{width:20px;height:20px}
  .side-others{border:1px solid var(--line);padding:22px 24px}
  .side-others h4{font-size:12.5px;text-transform:uppercase;letter-spacing:.14em;color:var(--muted);margin-bottom:10px}
  .side-others ul{list-style:none}
  .side-others a{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid var(--line);font-weight:600}
  .side-others li:last-child a{border-bottom:0}
  .side-others a:hover{color:var(--brand)}
  .side-others span{font-family:"Barlow Condensed",sans-serif;color:var(--brand);font-size:17px}

  .products-list{padding:64px 0 88px}
  .chips{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
  .chips a{display:inline-block;background:#fff;border:1px solid var(--line);padding:6px 12px;font-size:14px;font-weight:500;color:var(--ink-2);margin:0!important;text-transform:none!important;letter-spacing:0!important}
  .chips a:hover{border-color:var(--brand);color:var(--brand)}
  .products-list .specs{margin-top:40px}
  .more-link{display:inline-block;font-weight:700;color:var(--brand);margin:6px 0 4px;text-transform:uppercase;font-size:14px;letter-spacing:.06em}

  .about.plain{background:#fff}
  .values-sec{background:var(--soft);padding-top:72px}
  .values{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:28px}
  .value{background:#fff;padding:28px 24px;border-bottom:4px solid var(--brand)}
  .value span{font-family:"Barlow Condensed",sans-serif;font-size:40px;color:var(--accent);line-height:1}
  .value h3{font-size:20px;margin:10px 0 8px}
  .value p{color:var(--ink-2);font-size:15px}
  .cta-band{background:var(--brand);color:#fff;padding:56px 0}
  .cta-band .wrap{display:flex;justify-content:space-between;align-items:center;gap:28px;flex-wrap:wrap}
  .cta-band h2{margin:0 0 6px;font-size:clamp(26px,3vw,38px)}
  .cta-band p{color:#d9eefc;max-width:640px}

  .contact-sec{padding:64px 0 24px}
  .channels{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
  .ch{display:flex;flex-direction:column;gap:4px;border:1px solid var(--line);padding:24px;background:#fff;transition:.18s;min-width:0}
  a.ch:hover{border-color:var(--brand);box-shadow:0 14px 30px -20px rgba(10,26,47,.35)}
  .ch svg{width:28px;height:28px;color:var(--brand);margin-bottom:10px}
  .ch i{font-style:normal;width:44px;height:44px;border-radius:50%;display:grid;place-items:center;color:#fff;font-size:11px;font-weight:700;margin-bottom:8px}
  .ch.zalo i{background:#0068ff}.ch.line i{background:#06c755}
  .ch small{font-size:12px;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);font-weight:700}
  .ch b{font-size:17px;overflow-wrap:anywhere}
  .map-sec iframe{display:block;width:100%;height:420px;border:0;filter:grayscale(.3)}

  .nf{padding:120px 0;text-align:center}
  .nf b{font-family:"Barlow Condensed",sans-serif;font-size:120px;line-height:1;color:var(--brand)}
  .nf h1{font-size:32px;margin:10px 0}
  .nf p{color:var(--ink-2);margin-bottom:26px}
  .field .flabel{font-size:13.5px;font-weight:700;color:var(--ink-2)}
  .field input[aria-invalid=true],.field select[aria-invalid=true],.field textarea[aria-invalid=true]{border-color:#d64545}

  @media (max-width:1100px){
    .dd-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:0 0 6px 8px;min-width:0}
    .dd>a{padding:14px 0;border-bottom:1px solid var(--line);display:flex}
    .caret{display:none}
    .dd-menu a{padding:10px 0!important;font-weight:500;font-size:14.5px}
    .cat-layout{grid-template-columns:1fr}
    .cat-side{position:static;grid-template-columns:1fr 1fr;align-items:start}
    .values{grid-template-columns:1fr 1fr}
  }
  @media (max-width:900px){
    .item-grid,.apps-photo{grid-template-columns:1fr}
    .channels{grid-template-columns:1fr 1fr}
    .cat-side{grid-template-columns:1fr}
  }
  @media (max-width:600px){
    .page-hero{padding:40px 0 44px}
    .channels,.values{grid-template-columns:1fr}
    .spec-table th,.spec-table td{display:block;width:100%}
    .spec-table td{border-top:0}
    .spec-table th{border-bottom:0}
    .map-sec iframe{height:300px}
    .cat-items.odd .cat-item:last-child{flex-direction:column;align-items:flex-start}
  }
  .menu-btn{align-items:center;gap:8px}
  @media (max-width:1100px){.menu-btn{display:inline-flex}}
  @media (max-width:600px){.mb-label{display:none}.menu-btn{padding:11px 12px}}

  /* ===== Danh mục mở rộng: menu 2 cột, thẻ nhóm vật tư, thẻ dịch vụ ===== */
  .dd-menu{min-width:640px;padding:18px 8px 6px}
  .dd-cols{display:grid;grid-template-columns:1.15fr 1fr;gap:8px}
  .dd-col h4{font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);padding:0 20px 6px}
  html[lang=ja] .dd-col h4{letter-spacing:.04em}
  .dd-col ul{list-style:none}
  .dd-menu .dd-all{border-top:1px solid var(--line);margin-top:8px;padding-top:4px}
  .pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:36px}
  .pcard{background:#fff;border:1px solid var(--line);display:flex;flex-direction:column;transition:.2s}
  .pcard:hover{border-color:var(--brand);box-shadow:0 18px 36px -24px rgba(10,26,47,.4)}
  .pcard-head{display:flex;gap:14px;align-items:center;padding:20px 22px;background:var(--navy);color:#fff}
  .pcard-head:hover{background:var(--brand-d)}
  .pc-ico{flex:none;width:50px;height:50px;background:rgba(255,255,255,.08);color:#6cc4ff;display:grid;place-items:center}
  .pc-ico svg{width:34px;height:34px}
  .pc-t{display:flex;flex-direction:column}
  .pc-num{font-family:"Barlow Condensed",sans-serif;color:var(--accent);font-size:16px;line-height:1}
  .pcard-head h3{font-family:"Barlow Condensed","Noto Sans JP",sans-serif;font-size:21px;text-transform:uppercase;line-height:1.1;margin-top:4px}
  html[lang=ja] .pcard-head h3{font-family:"Noto Sans JP",sans-serif;text-transform:none;font-size:16.5px;line-height:1.35}
  .pc-desc{padding:16px 22px 0;color:var(--ink-2);font-size:15px}
  .pc-list{list-style:none;padding:14px 22px 18px;display:grid;gap:2px}
  .pc-list a{display:flex;gap:10px;align-items:flex-start;padding:6px 0;font-weight:500;font-size:15px;color:var(--ink);border-bottom:1px dashed var(--line)}
  .pc-list li:last-child a{border-bottom:0}
  .pc-list a::before{content:"";flex:none;width:6px;height:6px;background:var(--brand);margin-top:8px}
  .pc-list a:hover{color:var(--brand)}
  .serv-head{margin-top:64px}
  .sgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:28px}
  .scard{position:relative;display:flex;flex-direction:column;gap:6px;background:var(--navy);color:#fff;padding:28px 26px 26px;overflow:hidden;transition:.2s}
  .scard::after{content:"";position:absolute;right:-60px;top:-60px;width:180px;height:180px;border-radius:50%;background:radial-gradient(circle,rgba(21,146,230,.35),transparent 70%)}
  .scard:hover{transform:translateY(-4px);box-shadow:0 24px 40px -24px rgba(10,26,47,.6)}
  .scard .pc-ico{margin-bottom:10px}
  .scard h3{font-family:"Barlow Condensed","Noto Sans JP",sans-serif;font-size:24px;text-transform:uppercase;line-height:1.1}
  html[lang=ja] .scard h3{font-family:"Noto Sans JP",sans-serif;text-transform:none;font-size:19px}
  .scard p{color:#b8c6d6;font-size:15px;flex:1}
  .scard .more{margin-top:12px;color:var(--accent);font-weight:700;font-size:14px;text-transform:uppercase;letter-spacing:.06em}
  html[lang=ja] .scard .more{text-transform:none;letter-spacing:0}
  .catalog .specs{margin-top:40px}
  @media (max-width:1100px){
    .dd-menu{min-width:0;padding:0 0 6px 8px}
    .dd-cols{grid-template-columns:1fr;gap:4px}
    .dd-col h4{padding:10px 0 2px}
    .pgrid{grid-template-columns:1fr 1fr}
  }
  @media (max-width:900px){.sgrid{grid-template-columns:1fr}}
  @media (max-width:600px){.pgrid{grid-template-columns:1fr}}
  .pcta{background:var(--brand);color:#fff;border:0;padding:28px 24px;justify-content:center;gap:10px}
  .pcta:hover{background:var(--brand-d)}
  .pcta .pc-ico{background:rgba(255,255,255,.15);color:#fff}
  .pcta h3{font-size:22px;line-height:1.25}
  .pcta p{color:#e3f2fd;font-size:15px}
  .pcta .btn{align-self:flex-start;margin-top:8px}
  @media (min-width:1101px){.pgrid{grid-template-columns:repeat(4,1fr)}.pcard-head h3{font-size:19px}}

  /* =====================================================================
     GIAO DIỆN SÁNG – nền bản vẽ kỹ thuật / gia công CNC
     (ghi đè các khối tối phía trên)
     ===================================================================== */
  :root{--bg-1:#f5f8fb;--bg-2:#eaf0f6;--gmin:rgba(13,114,187,.055);--gmaj:rgba(13,114,187,.10);--navy-ink:#0c2037}
  .hero,.page-hero,.process{
    background-color:var(--bg-1);
    background-image:linear-gradient(var(--gmaj) 1px,transparent 1px),linear-gradient(90deg,var(--gmaj) 1px,transparent 1px),linear-gradient(var(--gmin) 1px,transparent 1px),linear-gradient(90deg,var(--gmin) 1px,transparent 1px);
    background-size:120px 120px,120px 120px,24px 24px,24px 24px;color:var(--ink)}

  /* Thanh trên cùng & menu */
  .topbar{background:#eef3f8;color:var(--ink-2);border-bottom:1px solid var(--line)}
  .topbar a{color:var(--navy-ink)}
  .langs{border-color:#cfdbe6}
  .langs a{color:var(--ink-2)}
  .langs a+a{border-left-color:#cfdbe6}
  .langs a:hover{color:var(--brand)}
  .langs a[aria-current]{background:var(--brand);color:#fff}
  .dd-num{color:var(--brand)}

  /* Hero trang chủ */
  .hero{padding:72px 0 0}
  .hero::before{content:"";position:absolute;inset:-40px -120px auto auto;width:min(980px,78vw);height:110%;background:url(/assets/img/bg-cnc.svg) no-repeat right top/contain;mask-image:none;-webkit-mask-image:none;opacity:1}
  .hero::after{content:"";position:absolute;inset:0;width:auto;height:auto;border-radius:0;background:linear-gradient(90deg,var(--bg-1) 18%,rgba(245,248,251,.75) 48%,rgba(245,248,251,0) 75%);right:0;top:0}
  .hero-grid{grid-template-columns:1.05fr .95fr;align-items:center;gap:48px}
  .hero .kicker{color:var(--brand-d)}
  .hero h1{color:var(--navy-ink)}
  .hero .lead{color:var(--ink-2)}
  .btn-line{color:var(--navy-ink);box-shadow:inset 0 0 0 1.5px var(--navy-ink)}
  .btn-line:hover{background:var(--navy-ink);color:#fff;box-shadow:none}
  .hero-checks{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:10px 22px;margin-top:28px;font-size:15px;color:var(--ink-2)}
  .hero-checks li{display:flex;gap:10px;align-items:flex-start}
  .hero-checks svg{flex:none;width:20px;height:20px;padding:3px;background:var(--brand-l);color:var(--brand);margin-top:2px}
  .hero-art{position:relative}
  .drawing-card{position:relative;background:#fff;border:1px solid #d9e3ec;padding:12px;box-shadow:0 40px 80px -42px rgba(10,26,47,.45),0 2px 0 rgba(10,26,47,.03)}
  .drawing-svg{display:block;width:100%;height:auto}
  /* trang chủ: bản vẽ làm nền mờ, không lấn át chữ – nhãn CNC/DIN vẫn rõ */
  .hero-art .drawing-card{background:rgba(255,255,255,.35);border-color:rgba(217,227,236,.55);box-shadow:0 30px 70px -50px rgba(10,26,47,.25)}
  .hero-art .drawing-svg{opacity:.45}
  .hero-photo{padding:0;aspect-ratio:3/2;overflow:visible}
  .hero-photo .hp-slide{position:absolute;inset:0;margin:0;overflow:hidden;animation:hpFade 14s infinite}
  .hero-photo .hp-slide:nth-of-type(2){animation-delay:-7s}
  .hero-photo img{width:100%;height:100%;object-fit:cover;display:block}
  .hero-photo figcaption{position:absolute;right:0;bottom:0;font-size:10px;line-height:1;padding:4px 7px;background:rgba(10,26,47,.55);color:#dfe7ef}
  .hero-photo figcaption a{color:inherit}
  @keyframes hpFade{0%,45%{opacity:1}50%,95%{opacity:0}100%{opacity:1}}
  @media (prefers-reduced-motion:reduce){.hero-photo .hp-slide{animation:none}.hero-photo .hp-slide:nth-of-type(2){display:none}}
  .dc-tag{position:absolute;z-index:2;font-family:"Barlow Condensed",sans-serif;font-weight:700;font-size:15px;letter-spacing:.06em;padding:8px 14px;color:#fff;box-shadow:0 12px 24px -12px rgba(10,26,47,.5)}
  .dc-tag-1{top:-16px;right:26px;background:var(--brand)}
  .dc-tag-2{bottom:68px;left:-18px;background:var(--navy-ink)}
  .search-panel{margin-top:56px;border:1px solid var(--line);border-top:4px solid var(--brand);box-shadow:0 26px 50px -30px rgba(10,26,47,.35)}

  /* Banner trang con */
  .page-hero{color:var(--ink);border-bottom:1px solid var(--line)}
  .page-hero::before{content:"";position:absolute;inset:-60px -140px auto auto;width:min(820px,70vw);height:180%;background:url(/assets/img/bg-cnc.svg) no-repeat right top/contain;opacity:.85}
  .page-hero::after{content:"";position:absolute;inset:0;width:auto;height:auto;border-radius:0;background:linear-gradient(90deg,var(--bg-1) 25%,rgba(245,248,251,.7) 55%,rgba(245,248,251,0) 85%);right:0;top:0}
  .page-hero h1{color:var(--navy-ink)}
  .page-hero .lead{color:var(--ink-2)}
  .crumbs{color:var(--muted)}
  .crumbs a:hover{color:var(--brand)}
  .crumbs li+li::before{color:#b6c4d2}
  .crumbs [aria-current]{color:var(--brand-d);font-weight:600}

  /* Thẻ nhóm vật tư */
  .pcard-head{background:linear-gradient(135deg,#f8fbfe,#e8f1fa);color:var(--navy-ink);border-bottom:2px solid var(--brand)}
  .pcard-head:hover{background:var(--brand-l)}
  .pcard-head .pc-ico{background:#fff;color:var(--brand);border:1px solid #d3e3f1}
  .pc-num{color:var(--brand-d)}
  .pcard-head h3{color:var(--navy-ink)}
  .cat-more{background:#f7fafc}

  /* Thẻ dịch vụ */
  .scard{background:#fff;color:var(--ink);border:1px solid var(--line);border-top:3px solid var(--brand);
    background-image:linear-gradient(var(--gmin) 1px,transparent 1px),linear-gradient(90deg,var(--gmin) 1px,transparent 1px);background-size:20px 20px}
  .scard::after{background:url(/assets/img/bg-cnc.svg) no-repeat center/180%;border-radius:0;width:220px;height:220px;right:-70px;top:-70px;opacity:.55}
  .scard:hover{border-color:var(--brand);box-shadow:0 24px 40px -26px rgba(10,26,47,.35)}
  .scard .pc-ico{background:var(--brand-l);color:var(--brand)}
  .scard h3{color:var(--navy-ink)}
  .scard p{color:var(--ink-2)}
  .scard .more{color:var(--brand)}
  .scard>*{position:relative;z-index:1}

  /* Quy trình */
  .process .kicker{color:var(--brand-d)}
  .process .lead{color:var(--ink-2)}
  .step{background:#fff;filter:drop-shadow(0 8px 14px rgba(10,26,47,.10))}
  .step .no{color:var(--brand)}
  .step h3{color:var(--navy-ink)}
  .step p{color:var(--ink-2)}

  /* Dải số liệu */
  .band{background:linear-gradient(120deg,#0d72bb 0%,#1592e6 60%,#3aa9f0 100%)}

  /* Khung ảnh chờ */
  .photo{background:linear-gradient(135deg,#eef4fa,#dde8f2);color:#5d7389}
  .photo::before{border-color:rgba(13,114,187,.35)}
  .photo svg{color:var(--brand)}
  .photo-img{padding:0;display:block;background:#dde8f2}
  .photo-img::before{display:none}
  .photo-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}

  /* Giá trị, hồ sơ năng lực */
  .value span{color:var(--brand)}
  .profile-strip{background:#fff;color:var(--ink);border:1px solid var(--line);border-left:4px solid var(--brand)}
  .profile-strip span{color:var(--muted)}

  /* Khối yêu cầu báo giá */
  .rfq{position:relative;overflow:hidden;background:linear-gradient(120deg,#0a5d9c 0%,#1288d8 72%,#2a9fea 100%)}
  .rfq::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);background-size:24px 24px}
  .rfq .wrap{position:relative;z-index:1}
  .rfq .kicker{color:#d6ecfb}
  .rfq .lead{color:#e3f2fd}
  .contacts{border-top-color:rgba(255,255,255,.22)}
  .contacts div{border-bottom-color:rgba(255,255,255,.22)}
  .contacts small{color:#bfe0f7}
  .contacts .big a{color:#fff}
  form.rfq-form{border-top-color:var(--accent);box-shadow:0 30px 60px -30px rgba(5,30,60,.5)}

  /* Thanh bên trang chi tiết */
  .side-cta{background:linear-gradient(135deg,#0d72bb,#1592e6)}
  .side-cta>p{color:#e3f2fd}
  .side-cta h4{color:#cfe8fb}
  .side-cta .check-list li{color:#fff}
  .side-cta .check-list svg{background:#fff;color:var(--brand)}
  .side-phone{color:#fff}

  /* Chân trang */
  footer{background:#0f2741}
  footer .bottom{border-top-color:rgba(255,255,255,.1)}

  @media (max-width:900px){
    .hero-grid{grid-template-columns:1fr}
    .hero::before{width:120vw;opacity:.55}
    .hero::after{background:linear-gradient(180deg,rgba(245,248,251,.4),var(--bg-1) 70%)}
    .page-hero::before{opacity:.4}
    .dc-tag-2{left:8px}
  }
  @media (max-width:600px){
    .hero-checks{grid-template-columns:1fr}
    .dc-tag{font-size:13px;padding:6px 10px}
    .dc-tag-1{right:12px}
    .dc-tag-2{bottom:60px}
  }
  .hero h1{font-size:clamp(40px,5.2vw,70px)}
  html[lang=ja] .hero h1{font-size:clamp(30px,3.8vw,50px)}

  /* ===== Khối mặt hàng: bản vẽ kỹ thuật + bảng thông số ===== */
  .pitems{display:grid;gap:20px;margin-bottom:28px}
  .pitem{display:grid;grid-template-columns:300px 1fr;gap:28px;border:1px solid var(--line);background:#fff;padding:22px;scroll-margin-top:100px;transition:.2s}
  .pitem:target,.pitem:hover{border-color:var(--brand);box-shadow:0 18px 36px -26px rgba(10,26,47,.35)}
  .pi-fig{align-self:start;background-color:var(--bg-1);background-image:linear-gradient(var(--gmin) 1px,transparent 1px),linear-gradient(90deg,var(--gmin) 1px,transparent 1px);background-size:16px 16px;border:1px solid #e3eaf1;padding:10px}
  .tech-drawing{display:block;width:100%;height:auto}
  .pi-ico{display:grid;place-items:center;min-height:180px;color:var(--brand)}
  .pi-ico svg{width:90px;height:90px}
  .pi-body{min-width:0}
  .pi-body h3{font-size:20px;margin-bottom:2px}
  .pi-body .std{font-family:"Barlow Condensed",sans-serif;font-size:16px;color:var(--brand-d);letter-spacing:.03em;margin-bottom:6px}
  .pi-desc{color:var(--ink-2);font-size:15px;margin-bottom:14px}
  .dim-table{width:100%;border-collapse:collapse;font-size:14px;font-variant-numeric:tabular-nums;white-space:nowrap}
  .dim-table th,.dim-table td{padding:7px 10px;border:1px solid #e1e8ef;text-align:center}
  .dim-table thead th{background:#eaf3fc;color:var(--navy-ink);font-weight:700;font-size:13px}
  .dim-table tbody th{background:#f6f9fc;font-weight:700;color:var(--navy-ink)}
  .dim-table tbody tr:nth-child(even) td{background:#fafcfe}
  .dim-table tbody tr:hover td,.dim-table tbody tr:hover th{background:var(--brand-l)}
  .pi-note{font-size:13px;color:var(--muted);margin-top:8px}
  .pi-quote{display:inline-block;margin-top:10px;font-weight:700;font-size:14px;color:var(--brand)}
  .pi-quote:hover{text-decoration:underline}
  .cat-main .pitems+.item-grid{margin-top:0}
  @media (max-width:900px){.pitem{grid-template-columns:1fr;gap:18px}.pi-fig{max-width:420px}}
  @media (max-width:600px){.pitem{padding:16px}.dim-table{font-size:13px}.dim-table th,.dim-table td{padding:6px 8px}}

  /* Ảnh sản phẩm + bản vẽ trong khối mặt hàng */
  .pi-fig{background:none;border:0;padding:0;display:grid;gap:12px}
  .pi-photo{margin:0;border:1px solid #e3eaf1;background:#fff}
  .pi-photo img{display:block;width:100%;aspect-ratio:4/3;object-fit:contain;background:#fff;padding:8px}
  .pi-photo figcaption{font-size:11px;line-height:1.4;color:var(--muted);padding:6px 10px;border-top:1px solid #eef2f6;background:#fafcfe}
  .pi-photo figcaption a{color:var(--muted);text-decoration:underline}
  .pi-draw{position:relative;background-color:var(--bg-1);background-image:linear-gradient(var(--gmin) 1px,transparent 1px),linear-gradient(90deg,var(--gmin) 1px,transparent 1px);background-size:16px 16px;border:1px solid #e3eaf1;padding:10px}
  .pi-tag{position:absolute;top:6px;left:8px;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--brand-d)}
  html[lang=ja] .pi-tag{letter-spacing:0}
  @media (max-width:900px){.pi-fig{max-width:none;grid-template-columns:1fr 1fr;align-items:start}}
  @media (max-width:600px){.pi-fig{grid-template-columns:1fr}}

  /* Hạng mục dịch vụ: ảnh máy + ảnh sản phẩm */
  .item-grid:has(.svc-item){grid-template-columns:1fr 1fr;gap:20px}
  .svc-item{border:1px solid var(--line);background:#fff;display:flex;flex-direction:column;scroll-margin-top:100px;transition:.2s}
  .svc-item:hover,.svc-item:target{border-color:var(--brand);box-shadow:0 18px 36px -26px rgba(10,26,47,.35)}
  .svc-media{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line)}
  .svc-fig{margin:0;background:#fff;position:relative;display:flex;flex-direction:column}
  .svc-fig img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover;background:#f4f6f8}
  .svc-label{position:absolute;top:8px;left:8px;background:rgba(10,26,47,.82);color:#fff;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:3px 8px}
  html[lang=ja] .svc-label{letter-spacing:0}
  .svc-fig figcaption{font-size:10.5px;line-height:1.35;color:var(--muted);padding:5px 8px;background:#fafcfe;flex:1}
  .svc-fig figcaption a{color:var(--muted);text-decoration:underline}
  .svc-body{padding:18px 20px 20px}
  .svc-body h3{font-size:18px;margin-bottom:2px}
  .svc-body .std{font-family:"Barlow Condensed",sans-serif;font-size:15px;color:var(--brand-d);margin-bottom:6px}
  .svc-body p:not(.std){color:var(--ink-2);font-size:15px}
  .svc-note{font-size:12.5px;color:var(--muted);margin:-14px 0 28px;font-style:italic}
  @media (max-width:900px){.item-grid:has(.svc-item){grid-template-columns:1fr}}
  .svc-fig{display:block}
  .svc-fig img{height:auto;min-height:0}
  .svc-fig figcaption{flex:none}
  .svc-media{align-items:start}
  .svc-media{grid-auto-rows:min-content}
  .svc-fig img{aspect-ratio:auto;height:200px;width:100%;object-fit:cover}
  @media (max-width:600px){.svc-fig img{height:150px}}
  .svc-item .svc-media{min-height:0;order:0}
  .svc-note{margin:10px 0 28px}
  @media (min-width:1101px){.pgrid{grid-template-columns:repeat(3,1fr)}.pcard-head h3{font-size:21px}}
  .pc-list a.pc-more{color:var(--brand);font-weight:700}
  .pc-list a.pc-more::before{display:none}
  .dim-table:has(thead th:nth-child(2):last-child){white-space:normal;table-layout:fixed}
  .dim-table:has(thead th:nth-child(2):last-child) th:first-child{width:40%}
  .dim-table:has(thead th:nth-child(2):last-child) td{text-align:left}

/* ---------- Kiến thức (bài viết kỹ thuật) ---------- */
.blog-list{padding:56px 0}
.blog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px}
.blog-card{background:#fff;border:1px solid var(--line);border-top:3px solid var(--brand);padding:26px 26px 22px;display:flex;flex-direction:column;gap:10px}
.blog-card time{font-size:13px;color:var(--muted);letter-spacing:.04em}
.blog-card h2{font-size:21px;line-height:1.3;margin:0}
.blog-card h2 a{color:var(--navy-ink);text-decoration:none}
.blog-card h2 a:hover{color:var(--brand)}
.blog-card p{color:var(--ink-2);font-size:15px;line-height:1.65;flex:1}
.art-body{max-width:780px}
.art-body h2{font-size:24px;line-height:1.3;margin:34px 0 12px;color:var(--navy-ink)}
.art-body p{line-height:1.8;margin:0 0 14px;color:var(--ink-2)}
.art-body .check-list{margin:6px 0 18px}
.art-body .check-list li{line-height:1.7}
.art-body .table-wrap{margin:8px 0 18px}
.art-table th[scope=col]{background:var(--navy-ink);color:#fff;font-weight:600;text-align:left}
.art-note{font-size:14px;background:var(--brand-l);border-left:3px solid var(--brand);padding:12px 16px}
.art-date{font-size:13px;color:var(--muted)}
.art-more li a{display:block;line-height:1.45}
.spec-table.art-table{font-size:14.5px;min-width:560px}
.spec-table.art-table th,.spec-table.art-table td{display:table-cell;width:auto;padding:10px 12px}
.spec-table.art-table tbody th{white-space:nowrap}
.spec-table.art-table thead th{border-bottom:0}