:root{
      --bg:#07111f; --bg-2:#0b172a; --panel:#0f2038; --card:#ffffff; --text:#172538; --muted:#62748a;
      --line:#dfe7f0; --blue:#1493ff; --blue2:#0c6dff; --light:#f6f9fc; --white:#fff;
      --shadow:0 20px 60px rgba(4,17,33,.12); --radius:22px; --container:min(1200px, calc(100vw - 40px));
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:Arial, Helvetica, sans-serif;color:var(--text);background:#fff;line-height:1.65}
    img{display:block;max-width:100%}
    a{text-decoration:none;color:inherit}
    .container{width:var(--container);margin:0 auto}
    .section{padding:88px 0}
    .section-light{background:var(--light)}
    .section-dark{
      color:var(--white);
      background: radial-gradient(circle at top right, rgba(20,147,255,.24), transparent 28%), linear-gradient(135deg, #07111f, #0d1d35 60%, #081321);
    }
    .nav-wrap{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);background:rgba(7,17,31,.78);border-bottom:1px solid rgba(255,255,255,.06)}
    .nav{width:var(--container);margin:0 auto;display:flex;justify-content:space-between;align-items:center;min-height:74px;gap:20px}
    .brand{color:#fff;font-size:24px;font-weight:800;letter-spacing:.03em;min-width:1px}
    .brand span{color:var(--blue)}
    .menu{display:flex;gap:24px;flex-wrap:wrap}
    .menu a{color:rgba(255,255,255,.75);font-size:14px;font-weight:600}
    .menu a:hover{color:#fff}
    .hero{background: radial-gradient(circle at 80% 10%, rgba(20,147,255,.25), transparent 28%), linear-gradient(135deg, #081321, #0b172a 55%, #07111f);color:#fff;padding:54px 0 72px;overflow:hidden}
    .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
    .eyebrow{color:#7bc6ff;font-weight:700;letter-spacing:.12em;text-transform:uppercase;font-size:13px;margin-bottom:14px}
    h1,h2,h3,h4{margin:0;line-height:1.15;letter-spacing:-.02em}
    h1{font-size:clamp(42px,6vw,72px);max-width:720px}
    h2{font-size:clamp(32px,4vw,48px);max-width:760px}
    h3{font-size:24px}
    p{margin:0;color:var(--muted);font-size:17px}
    .hero p,.section-dark p{color:rgba(255,255,255,.76)}
    .lead{margin-top:22px;font-size:20px;max-width:680px}
    .hero .lead{max-width:640px}
    .accent{color:var(--blue)}
    .button-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
    .btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 24px;border-radius:999px;font-weight:700;font-size:15px;transition:.2s ease}
    .btn-primary{background:linear-gradient(135deg,var(--blue),var(--blue2));color:#fff}
    .btn-primary:hover{transform:translateY(-2px)}
    .btn-outline{color:#fff;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.05)}
    .btn-outline:hover{background:rgba(255,255,255,.09)}
    .hero-badges{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:34px}
    .hero-badge{border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.05);border-radius:16px;padding:16px 14px;color:rgba(255,255,255,.9);font-size:14px;font-weight:700;text-align:center}
    .visual-frame{border-radius:26px;overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.28);border:1px solid rgba(255,255,255,.08)}
    .intro-grid,.split-grid,.cta-grid,.size-grid{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center}
    .content > * + *{margin-top:20px}
    .card-grid{margin-top:42px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .info-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;box-shadow:0 10px 35px rgba(5,19,38,.05)}
    .info-card h4{font-size:20px;margin-bottom:10px}
    .icon-dot{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg, rgba(20,147,255,.14), rgba(20,147,255,.05));color:var(--blue2);font-weight:800;margin-bottom:18px}
    .mini-list{margin:16px 0 0;padding:0;list-style:none;display:grid;gap:10px}
    .mini-list li{display:grid;grid-template-columns:18px 1fr;gap:10px;align-items:start;color:var(--muted);font-size:16px}
    .mini-list li::before{content:"•";color:var(--blue);font-size:26px;line-height:14px}
    .feature-strip{margin-top:18px;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .strip-item{background:rgba(20,147,255,.08);color:#28506f;border:1px solid rgba(20,147,255,.16);border-radius:16px;padding:14px 16px;text-align:center;font-weight:700;font-size:14px}
    .full-banner{margin-top:40px;border-radius:28px;overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);background:#dfe9f3}
    .dark-banner{border-color:rgba(255,255,255,.08);box-shadow:0 24px 70px rgba(0,0,0,.22)}
    .scene-grid{margin-top:38px;display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
    .scene-card{text-align:center;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:22px 16px;color:rgba(255,255,255,.92);font-weight:700}
    .size-card-wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .size-card-wrap-3{grid-template-columns:repeat(3,1fr)}
    .size-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px 18px;text-align:center;box-shadow:0 10px 35px rgba(5,19,38,.05)}
    .size-card .size{display:block;color:var(--blue2);font-size:34px;font-weight:800;line-height:1;margin-bottom:10px}
    .size-card small{display:block;margin-top:8px;color:var(--muted);font-size:14px;line-height:1.45}
    .helper{background:rgba(20,147,255,.08);border:1px solid rgba(20,147,255,.18);color:#28506f;border-radius:18px;padding:22px}
    .compare{margin-top:36px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .compare-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:0 10px 35px rgba(5,19,38,.05)}
    .compare-card.featured{border:1px solid rgba(20,147,255,.45);box-shadow:0 18px 50px rgba(20,147,255,.13);transform:translateY(-6px)}
    .compare-card ul{margin:16px 0 0;padding-left:18px;color:var(--muted)}
    .compare-card li + li{margin-top:8px}
    .cta-box{padding:50px;border-radius:28px;color:#fff;background: radial-gradient(circle at 85% 15%, rgba(20,147,255,.35), transparent 28%), linear-gradient(135deg, #0b1525, #102643 62%, #081321);box-shadow:0 24px 70px rgba(0,0,0,.18)}
    .cta-box p{color:rgba(255,255,255,.78)}
    .contact-points{margin-top:20px;display:grid;gap:10px;color:rgba(255,255,255,.9);font-weight:700}
    .footer{background:#06101d;color:#8ea1b5;text-align:center;padding:26px 0;font-size:14px}
    @media (max-width: 1024px){
      .hero-grid,.intro-grid,.split-grid,.cta-grid,.size-grid{grid-template-columns:1fr}
      .card-grid,.compare{grid-template-columns:1fr 1fr}
      .scene-grid{grid-template-columns:repeat(3,1fr)}
      .hero-badges{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width: 700px){
      .section{padding:62px 0}
      .card-grid,.compare,.size-card-wrap,.scene-grid{grid-template-columns:1fr}
      .menu{display:none}
      .container{width:min(100vw - 24px, 1200px)}
      .cta-box{padding:30px 24px}
    }