:root{
      --bg:#eef6ff;
      --bg-soft:#f8fbff;
      --white:#ffffff;
      --line:#d8e7f4;
      --text:#18324b;
      --muted:#67809a;
      --brand:#2a78ff;
      --brand-dark:#0f58ca;
      --soft:#edf5ff;
      --title:#10375f;
      --shadow:0 14px 36px rgba(24,50,75,.08);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:18px;
      --container:1180px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
      color:var(--text);
      background:linear-gradient(180deg,#f9fcff 0%,#edf6ff 100%);
      line-height:1.65;
    }

    img{display:block;max-width:100%}
    a{text-decoration:none;color:var(--brand)}
    .container{max-width:var(--container);margin:0 auto;padding:0 20px}

    header{
      position:sticky;
      top:0;
      z-index:20;
      background:rgba(255,255,255,.92);
      backdrop-filter:blur(10px);
      border-bottom:1px solid rgba(216,231,244,.9);
    }
    .header-inner{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      padding:16px 0;
    }
    .logo{
      font-size:1.08rem;
      font-weight:800;
      color:var(--brand-dark);
      letter-spacing:.02em;
    }
    .header-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:12px 20px;
      border-radius:999px;
      font-size:15px;
      font-weight:700;
      border:1px solid transparent;
      transition:.25s ease;
      white-space:nowrap;
    }
    .btn-primary{
      background:var(--brand);
      color:#fff;
      box-shadow:0 10px 24px rgba(42,120,255,.22);
    }
    .btn-primary:hover{background:var(--brand-dark)}
    .btn-secondary{
      background:#fff;
      color:var(--brand);
      border-color:#cfe0f1;
    }
    .btn-secondary:hover{border-color:var(--brand)}

    .breadcrumbs{
      font-size:14px;
      color:var(--muted);
      padding:18px 0 8px;
    }
    .breadcrumbs a{color:var(--muted)}

    .hero{
      padding:18px 0 34px;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:28px;
      align-items:start;
    }
    .card{
      background:var(--white);
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow);
    }
    .hero-copy{
      padding:34px;
    }
    .eyebrow{
      display:inline-block;
      padding:8px 14px;
      border-radius:999px;
      background:var(--soft);
      border:1px solid #d7e6ff;
      font-size:13px;
      font-weight:700;
      color:var(--brand-dark);
      margin-bottom:18px;
    }
    h1{
      margin:0 0 14px;
      font-size:clamp(2rem,3vw,3.1rem);
      line-height:1.1;
      color:var(--title);
      letter-spacing:-.02em;
    }
    .hero-sub{
      margin:0 0 20px;
      font-size:1.04rem;
      color:var(--muted);
    }

    .hero-highlights{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin:0 0 22px;
    }
    .hero-highlights span{
      background:#f6faff;
      border:1px solid var(--line);
      border-radius:999px;
      padding:10px 14px;
      font-size:14px;
      font-weight:600;
      color:#2d4964;
    }

    .selling-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:14px;
      margin:0 0 24px;
    }
    .selling-box{
      background:var(--bg-soft);
      border:1px solid var(--line);
      border-radius:18px;
      padding:16px;
    }
    .selling-box strong{
      display:block;
      color:var(--brand-dark);
      font-size:1rem;
      margin-bottom:6px;
    }

    .cta-row{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
    }

    .hero-gallery{
      padding:18px;
    }
    .main-image{
      aspect-ratio:4/3;
      border-radius:20px;
      overflow:hidden;
      background:#eef6ff;
      border:1px solid var(--line);
      margin-bottom:14px;
    }
    .main-image img{
      width:100%;
      height:100%;
      object-fit:contain;
      background:#f5f8fc;
    }
    .thumb-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:12px;
    }
    .thumb{
      aspect-ratio:4/3;
      overflow:hidden;
      border-radius:16px;
      border:1px solid var(--line);
      background:#f5f9ff;
    }
    .thumb img{
      width:100%;
      height:100%;
      object-fit:cover;
    }

    .section{
      padding:24px 0;
    }
    .section-head{
      margin-bottom:18px;
    }
    .kicker{
      display:inline-block;
      font-size:13px;
      font-weight:700;
      letter-spacing:.08em;
      text-transform:uppercase;
      color:var(--brand-dark);
      margin-bottom:8px;
    }
    h2{
      margin:0 0 10px;
      font-size:clamp(1.5rem,2.2vw,2.15rem);
      line-height:1.2;
      color:var(--title);
    }
    .section-desc{
      margin:0;
      max-width:860px;
      color:var(--muted);
    }

    .split{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:22px;
    }
    .panel{
      background:var(--white);
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      padding:26px;
      box-shadow:var(--shadow);
    }
    .panel h3{
      margin:0 0 14px;
      font-size:1.2rem;
      color:var(--title);
    }
    .check-list{
      list-style:none;
      padding:0;
      margin:0;
    }
    .check-list li{
      position:relative;
      padding-left:26px;
      margin-bottom:12px;
      color:#3f5a73;
    }
    .check-list li::before{
      content:"✓";
      position:absolute;
      left:0;
      top:0;
      color:var(--brand);
      font-weight:800;
    }

    .image-grid{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:20px;
    }
    .image-card{
      background:var(--white);
      border:1px solid var(--line);
      border-radius:22px;
      overflow:hidden;
      box-shadow:var(--shadow);
    }
    .image-card .visual{
      aspect-ratio:4/3;
      background:#eef6ff;
    }
    .image-card .visual img{
      width:100%;
      height:100%;
      object-fit:contain;
      background:#f6f8fb;
    }
    .image-card .content{
      padding:20px;
    }
    .image-card h3{
      margin:0 0 8px;
      font-size:1.08rem;
      color:var(--title);
    }
    .image-card p{
      margin:0;
      color:var(--muted);
      font-size:15px;
    }

    .spec-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:14px;
      margin-top:16px;
    }
    .spec-item{
      background:#f7fbff;
      border:1px solid var(--line);
      border-radius:18px;
      padding:18px 16px;
      text-align:center;
    }
    .spec-item strong{
      display:block;
      color:var(--brand-dark);
      margin-bottom:6px;
      font-size:1rem;
    }

    table{
      width:100%;
      border-collapse:collapse;
      background:var(--white);
      border:1px solid var(--line);
      border-radius:22px;
      overflow:hidden;
      box-shadow:var(--shadow);
    }
    th,td{
      padding:16px 14px;
      border-bottom:1px solid var(--line);
      text-align:left;
      font-size:15px;
    }
    th{
      background:#f5f9ff;
      color:var(--title);
      font-weight:700;
    }

    .faq{
      display:grid;
      gap:14px;
    }
    details{
      background:var(--white);
      border:1px solid var(--line);
      border-radius:18px;
      padding:18px 20px;
      box-shadow:var(--shadow);
    }
    summary{
      cursor:pointer;
      font-weight:700;
      color:#153d67;
      list-style:none;
    }
    summary::-webkit-details-marker{display:none}
    details p{
      margin:12px 0 0;
      color:var(--muted);
    }

    .contact-banner{
      display:grid;
      grid-template-columns:1.2fr .8fr;
      gap:20px;
      align-items:center;
      padding:28px;
      background:linear-gradient(135deg,#eaf4ff 0%,#ffffff 100%);
      border:1px solid var(--line);
      border-radius:28px;
      box-shadow:var(--shadow);
    }
    .contact-banner p{
      margin:0;
      color:var(--muted);
    }
    .contact-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }

    footer{
      margin-top:24px;
      border-top:1px solid var(--line);
      padding:28px 0 40px;
      text-align:center;
      color:var(--muted);
      font-size:14px;
    }

    @media (max-width:1100px){
      .hero-grid,.split,.image-grid,.contact-banner{
        grid-template-columns:1fr;
      }
      .spec-grid{grid-template-columns:repeat(2,1fr)}
      .contact-actions{justify-content:flex-start}
    }

    @media (max-width:768px){
      .header-inner{
        flex-direction:column;
        align-items:flex-start;
      }
      .hero-copy,.panel{padding:22px}
      .selling-grid{grid-template-columns:1fr}
      .thumb-grid{grid-template-columns:1fr}
      .spec-grid{grid-template-columns:1fr 1fr}
    }

    @media (max-width:560px){
      .container{padding:0 14px}
      .spec-grid{grid-template-columns:1fr}
      .header-actions,.cta-row{width:100%}
      .btn{width:100%}
    }