:root{
      --brand:#0b5cab;
      --brand-dark:#083d74;
      --ink:#0f172a;
      --muted:#475569;
      --line:#dbe3ef;
      --bg:#f4f8fc;
      --card:#ffffff;
      --soft:#f8fbff;
      --accent:#eaf3ff;
      --ok:#0b8a5b;
      --warn:#b45309;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:Arial,Helvetica,sans-serif;
      color:var(--ink);
      background:var(--bg);
      line-height:1.75;
    }
    a{color:var(--brand);text-decoration:none}
    a:hover{text-decoration:underline}
    .wrap{
      max-width:1120px;
      margin:0 auto;
      padding:24px;
    }
    .hero{
      background:linear-gradient(135deg,var(--brand-dark),var(--brand));
      color:#fff;
      border-radius:24px;
      padding:44px 34px;
      box-shadow:0 20px 45px rgba(8,61,116,.16);
    }
    .eyebrow{
      display:inline-block;
      font-size:13px;
      font-weight:700;
      letter-spacing:.08em;
      text-transform:uppercase;
      background:rgba(255,255,255,.14);
      border:1px solid rgba(255,255,255,.18);
      border-radius:999px;
      padding:8px 12px;
      margin-bottom:16px;
    }
    .hero h1{
      margin:0 0 14px;
      font-size:clamp(2rem,4vw,3rem);
      line-height:1.18;
    }
    .hero p{
      margin:0;
      font-size:1.05rem;
      max-width:900px;
      color:rgba(255,255,255,.95);
    }
    .hero-cta{
      margin-top:22px;
      display:flex;
      flex-wrap:wrap;
      gap:12px;
    }
    .btn{
      display:inline-block;
      padding:12px 16px;
      border-radius:10px;
      font-weight:700;
      transition:.2s ease;
    }
    .btn-primary{
      background:#fff;
      color:var(--brand-dark);
    }
    .btn-secondary{
      background:rgba(255,255,255,.12);
      color:#fff;
      border:1px solid rgba(255,255,255,.2);
    }
    .btn:hover{transform:translateY(-1px);text-decoration:none}
    .grid{
      display:grid;
      grid-template-columns:minmax(0,1fr) 320px;
      gap:24px;
      margin-top:26px;
      align-items:start;
    }
    .content{
      min-width:0;
    }
    .toc{
      position:sticky;
      top:20px;
      background:var(--card);
      border:1px solid var(--line);
      border-radius:18px;
      padding:18px;
      box-shadow:0 10px 30px rgba(15,23,42,.06);
    }
    .toc h2{
      margin:0 0 10px;
      font-size:1.05rem;
    }
    .toc ol{
      margin:0;
      padding-left:18px;
    }
    .toc li{
      margin:8px 0;
      color:var(--muted);
    }
    .section{
      background:var(--card);
      border:1px solid var(--line);
      border-radius:20px;
      padding:30px;
      margin:20px 0;
      box-shadow:0 10px 30px rgba(15,23,42,.04);
    }
    h2,h3{
      scroll-margin-top:90px;
      line-height:1.25;
    }
    .section h2{
      margin:0 0 14px;
      font-size:1.7rem;
      color:var(--brand-dark);
    }
    .section h3{
      margin:24px 0 10px;
      font-size:1.18rem;
      color:var(--ink);
    }
    p{margin:0 0 16px}
    ul,ol{
      margin:0 0 18px;
      padding-left:20px;
    }
    li{margin:8px 0}
    .note,
    .authority,
    .cta-box,
    .mini-card{
      border-radius:16px;
      padding:18px;
    }
    .note{
      background:var(--soft);
      border:1px solid var(--line);
    }
    .authority{
      background:#fffaf3;
      border:1px solid #f2dfbf;
    }
    .cta-box{
      background:linear-gradient(180deg,#f7fbff,#eef6ff);
      border:1px solid #cfe1fb;
    }
    .spec-cards{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:14px;
      margin:18px 0 8px;
    }
    .mini-card{
      background:var(--soft);
      border:1px solid var(--line);
    }
    .mini-card strong{
      display:block;
      font-size:1.02rem;
      margin-bottom:4px;
      color:var(--brand-dark);
    }
    .compare{
      width:100%;
      border-collapse:collapse;
      margin:16px 0 10px;
      overflow:hidden;
      border-radius:14px;
      border:1px solid var(--line);
    }
    .compare th,
    .compare td{
      border-bottom:1px solid var(--line);
      padding:12px 14px;
      text-align:left;
      vertical-align:top;
      font-size:.97rem;
    }
    .compare th{
      background:var(--accent);
      color:var(--brand-dark);
    }
    .compare tr:last-child td{border-bottom:none}
    .check{
      color:var(--ok);
      font-weight:700;
    }
    .warn{
      color:var(--warn);
      font-weight:700;
    }
    figure{
      margin:24px 0;
      background:var(--soft);
      border:1px solid var(--line);
      border-radius:18px;
      padding:14px;
    }
    figure img{
      width:100%;
      height:auto;
      display:block;
      border-radius:12px;
      background:#fff;
    }
    figcaption{
      margin-top:10px;
      color:var(--muted);
      font-size:.92rem;
    }
    .faq-item{
      padding:18px 0;
      border-bottom:1px solid var(--line);
    }
    .faq-item:last-child{border-bottom:none}
    .faq-item h3{
      margin:0 0 8px;
      font-size:1.08rem;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      gap:10px 16px;
      margin-top:14px;
      font-size:.95rem;
    }
    .badge-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin:16px 0 8px;
    }
    .badge{
      border:1px solid var(--line);
      background:#fff;
      color:var(--muted);
      padding:8px 12px;
      border-radius:999px;
      font-size:.9rem;
      font-weight:700;
    }
    @media (max-width:980px){
      .grid{grid-template-columns:1fr}
      .toc{position:static}
      .spec-cards{grid-template-columns:1fr}
    }