:root{
    --ink:#0A0A0A;
    --ink-2:#1a1a1a;
    --paper:#FAFAFA;
    --line:#e5e5e5;
    --muted:#6b6b6b;
    --accent:#C8102E;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html,body{background:var(--paper);color:var(--ink);font-family:'Helvetica Neue',Arial,'PingFang SC','Microsoft YaHei',sans-serif;-webkit-font-smoothing:antialiased;line-height:1.55}
  img{display:block;max-width:100%;height:auto}
  a{color:inherit;text-decoration:none}
  .container{max-width:1200px;margin:0 auto;padding:0 32px}
  .eyebrow{font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--accent);font-weight:600;margin-bottom:18px}
  h1,h2,h3{font-weight:600;letter-spacing:-.01em;color:var(--ink)}
  h2{font-size:40px;line-height:1.15;max-width:880px;margin-bottom:28px}
  h3{font-size:18px;margin-bottom:8px}
  p{font-size:16px;color:#2a2a2a;margin-bottom:14px;max-width:760px}
  section{padding:96px 0;border-top:1px solid var(--line)}
  section:first-of-type{border-top:none;padding:0}

  /* ===== HERO ===== */
  .hero{position:relative;min-height:100vh;display:flex;align-items:center;color:#fff;padding:0;border:none;overflow:hidden}
  .hero::before{
    content:"";position:absolute;inset:0;
    background:url("../%E5%B7%A5%E5%8E%82%E5%9B%BE%E7%89%87/%E7%94%9F%E4%BA%A7%E8%BD%A6%E9%97%B4.jpg") center/cover no-repeat;
    z-index:0;
  }
  .hero::after{content:"";position:absolute;inset:0;background:rgba(10,10,10,.62);z-index:1}
  .hero .container{position:relative;z-index:2;width:100%}
  .hero-nav{position:absolute;top:0;left:0;right:0;z-index:3;padding:24px 32px;display:flex;justify-content:space-between;align-items:center;color:#fff}
  .brand{font-weight:700;letter-spacing:.18em;font-size:14px}
  .nav-links{display:flex;gap:28px;font-size:13px;letter-spacing:.08em;text-transform:uppercase;opacity:.85}
  .hero h1{color:#fff;font-size:64px;line-height:1.05;letter-spacing:-.02em;max-width:980px;margin-bottom:24px;font-weight:600}
  .hero .sub{font-size:17px;color:#e9e9e9;letter-spacing:.02em;max-width:820px;margin-bottom:20px}
  .hero .quip{font-style:italic;font-size:15px;color:#cfcfcf;max-width:780px;margin-bottom:42px}
  .cta-row{display:flex;gap:14px;flex-wrap:wrap}
  .btn{display:inline-block;padding:16px 28px;font-size:14px;letter-spacing:.08em;text-transform:uppercase;font-weight:600;border:1px solid #fff;color:#fff;transition:all .2s ease;cursor:pointer;background:transparent}
  .btn-primary{background:var(--accent);border-color:var(--accent)}
  .btn-primary:hover{background:#a30d24;border-color:#a30d24}
  .btn-secondary:hover{background:#fff;color:var(--ink)}

  /* ===== SECTION 2 — KPIs ===== */
  .kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:48px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .kpi{padding:28px 16px;text-align:center;border-right:1px solid var(--line)}
  .kpi:last-child{border-right:none}
  .kpi .num{font-size:38px;font-weight:700;letter-spacing:-.02em}
  .kpi .lbl{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-top:6px}

  /* ===== SECTION 3 — Differentiators ===== */
  .diff-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);margin-top:40px;border:1px solid var(--line)}
  .diff-card{background:#fff;padding:32px}
  .diff-card .num{font-size:13px;color:var(--accent);font-weight:700;letter-spacing:.18em;margin-bottom:10px}
  .diff-card h3{font-size:20px;margin-bottom:10px}
  .diff-card p{font-size:14.5px;color:#444;margin:0}

  /* ===== Tables ===== */
  table{width:100%;border-collapse:collapse;margin-top:32px;font-size:15px}
  table th,table td{padding:16px 8px;text-align:left;border-bottom:1px solid var(--line)}
  table th{font-weight:600;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
  table td:last-child{font-weight:600;color:var(--ink)}
  table strong{font-weight:700}
  .pull{margin-top:32px;padding:24px 28px;border-left:3px solid var(--accent);font-style:italic;font-size:18px;color:#2a2a2a;background:#fff;max-width:820px}

  /* ===== Logo wall ===== */
  .logo-wall{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:24px;margin-top:40px;padding:36px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .logo-wall .lg{font-size:20px;font-weight:700;letter-spacing:.06em;color:#888;transition:color .2s;flex:0 0 auto;font-family:Georgia,serif}
  .logo-wall .lg:hover{color:var(--ink)}
  .logo-caption{margin-top:18px;text-align:center;font-size:13px;color:var(--muted);font-style:italic}

  /* ===== Cert grid ===== */
  .cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);margin-top:32px;border:1px solid var(--line)}
  .cert{background:#fff;padding:32px 20px;text-align:center}
  .cert .name{font-size:22px;font-weight:700;letter-spacing:.04em;margin-bottom:8px}
  .cert .desc{font-size:13px;color:var(--muted)}
  .markets{margin-top:24px;text-align:center;font-size:15px}

  /* ===== Galleries ===== */
  .gallery{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:40px}
  .gallery.designs{grid-template-columns:repeat(5,1fr)}
  .tile{position:relative;overflow:hidden;background:#1a1a1a;cursor:pointer;aspect-ratio:1/1}
  .tile img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
  .tile:hover img{transform:scale(1.05)}
  .tile .cap{position:absolute;left:0;right:0;bottom:0;padding:14px 14px 12px;background:linear-gradient(180deg,transparent 0%,rgba(0,0,0,.85) 100%);color:#fff;font-size:12px;line-height:1.4}
  .tile .cap strong{display:block;font-size:13px;margin-bottom:2px;letter-spacing:.02em}

  /* ===== Pillars ===== */
  .pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);margin-top:40px;border:1px solid var(--line)}
  .pillar{background:#fff;padding:36px 28px}
  .pillar .num{font-size:13px;color:var(--accent);font-weight:700;letter-spacing:.18em;margin-bottom:14px}
  .pillar h3{font-size:24px;margin-bottom:10px}
  .pillar p{font-size:14.5px;color:#444;margin:0}

  /* ===== Footer CTA ===== */
  .cta-section{background:var(--ink);color:#fff;text-align:center;padding:96px 32px;margin-top:0}
  .cta-section h2{color:#fff;margin:0 auto 20px;text-align:center}
  .cta-section p{color:#cfcfcf;margin:0 auto 36px;text-align:center;max-width:680px}
  .cta-section .cta-row{justify-content:center}
  .footer{padding:28px 32px;text-align:center;font-size:12px;color:var(--muted);background:#000;color:#888}

  /* ===== Lightbox ===== */
  dialog.lightbox{border:none;padding:0;max-width:90vw;max-height:90vh;background:transparent;color:#fff}
  dialog.lightbox::backdrop{background:rgba(0,0,0,.92)}
  dialog.lightbox img{max-width:90vw;max-height:80vh;object-fit:contain}
  dialog.lightbox .close{position:absolute;top:20px;right:20px;background:transparent;border:1px solid #fff;color:#fff;width:40px;height:40px;cursor:pointer;font-size:18px}
  dialog.lightbox .lb-cap{margin-top:14px;font-size:14px;text-align:center;color:#e0e0e0}

  /* ===== Mobile ===== */
  @media (max-width:900px){
    .nav-links{display:none}
    .hero h1{font-size:40px}
    h2{font-size:30px}
    section{padding:64px 0}
    .container{padding:0 22px}
    .kpis{grid-template-columns:repeat(2,1fr)}
    .kpi:nth-child(2){border-right:none}
    .kpi:nth-child(-n+2){border-bottom:1px solid var(--line)}
    .diff-grid{grid-template-columns:1fr}
    .cert-grid{grid-template-columns:repeat(2,1fr)}
    .gallery{grid-template-columns:1fr}
    .gallery.designs{grid-template-columns:repeat(2,1fr)}
    .pillars{grid-template-columns:1fr}
    .logo-wall{justify-content:center}
    .logo-wall .lg{font-size:16px}
  }