:root{
      --bg:#f4f9ff;
      --white:#ffffff;
      --ink:#11304d;
      --muted:#617d99;
      --line:#dce9f6;
      --brand:#2476d3;
      --brand2:#69b6ff;
      --soft:#eaf4ff;
      --shadow:0 20px 45px rgba(17,48,77,.10);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --max:1180px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"Inter",sans-serif;
      background:linear-gradient(180deg,#f8fbff 0%,#eef6ff 100%);
      color:var(--ink);
      line-height:1.75;
    }

    img{
      max-width:100%;
      display:block;
    }

    a{
      color:var(--brand);
      text-decoration:none;
    }

    a:hover{text-decoration:underline}

    .container{
      width:min(var(--max), calc(100% - 32px));
      margin:0 auto;
    }

    .topbar{
      background:#eaf4ff;
      border-bottom:1px solid var(--line);
      color:var(--muted);
      font-size:14px;
    }

    .topbar .container{
      display:flex;
      justify-content:space-between;
      flex-wrap:wrap;
      gap:12px;
      padding:10px 0;
    }

    .breadcrumbs{
      padding:20px 0 0;
      font-size:14px;
      color:var(--muted);
    }

    .breadcrumbs a{color:var(--muted)}

    .hero{
      padding:24px 0;
    }

    .hero-card{
      background:linear-gradient(135deg,#ffffff 0%,#f5faff 58%,#eaf4ff 100%);
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow);
      overflow:hidden;
    }

    .hero-grid{
      display:grid;
      grid-template-columns:1.15fr .85fr;
      gap:28px;
      align-items:center;
      padding:38px;
    }

    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:8px 14px;
      background:var(--soft);
      border:1px solid #cfe2f7;
      border-radius:999px;
      font-size:13px;
      font-weight:800;
      letter-spacing:.04em;
      text-transform:uppercase;
      color:var(--brand);
    }

    h1{
      font-family:"Playfair Display",serif;
      font-size:clamp(34px,5vw,56px);
      line-height:1.15;
      margin:18px 0 16px;
      color:#0d2944;
    }

    .hero p{
      font-size:18px;
      color:var(--muted);
      margin:0 0 16px;
    }

    .meta{
      display:flex;
      flex-wrap:wrap;
      gap:18px;
      color:#6c87a2;
      font-size:14px;
      margin-top:18px;
    }

    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:14px;
      margin-top:24px;
    }

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:14px 20px;
      border-radius:999px;
      font-weight:700;
      transition:.25s ease;
    }

    .btn-primary{
      background:linear-gradient(90deg,var(--brand),var(--brand2));
      color:#fff;
      box-shadow:0 10px 24px rgba(36,118,211,.24);
    }

    .btn-primary:hover{
      transform:translateY(-1px);
      text-decoration:none;
    }

    .btn-secondary{
      background:#fff;
      color:var(--brand);
      border:1px solid #d3e3f7;
    }

    .hero-image,
    .image-block{
      background:#fff;
      border:1px solid var(--line);
      border-radius:24px;
      overflow:hidden;
    }

    .responsive-media{
      width:100%;
      background:#f8fbff;
      overflow:hidden;
    }

    .hero-image .responsive-media{
      aspect-ratio:4/3;
    }

    .image-block .responsive-media{
      aspect-ratio:16/9;
    }

    .responsive-media img{
      width:100%;
      height:100%;
      object-fit:cover;
      object-position:center;
      display:block;
    }

    .caption{
      padding:14px 18px;
      background:#fbfdff;
      border-top:1px solid var(--line);
      color:#68839d;
      font-size:14px;
    }

    .content-wrap{
      padding:24px 0 70px;
    }

    .content-grid{
      display:grid;
      grid-template-columns:minmax(0,1fr) 320px;
      gap:28px;
      align-items:start;
    }

    .article{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius-xl);
      box-shadow:var(--shadow);
      padding:34px;
    }

    .article h2{
      font-size:31px;
      line-height:1.25;
      margin:38px 0 14px;
      color:#10304e;
    }

    .article h3{
      font-size:22px;
      line-height:1.35;
      margin:28px 0 12px;
      color:#13385a;
    }

    .article p{
      font-size:17px;
      color:#36536e;
      margin:0 0 16px;
    }

    .article ul{
      margin:0 0 18px;
      padding-left:22px;
      color:#36536e;
    }

    .article li{margin:0 0 10px}

    .article strong{color:#0d2f4c}

    .note{
      margin:22px 0;
      padding:18px 20px;
      background:#f4f9ff;
      border:1px solid #d8e8f9;
      border-left:4px solid var(--brand);
      border-radius:16px;
      color:#36536e;
    }

    .table-wrap{
      margin:22px 0;
      overflow-x:auto;
      border:1px solid var(--line);
      border-radius:18px;
    }

    table{
      width:100%;
      min-width:740px;
      border-collapse:collapse;
      background:#fff;
    }

    th, td{
      text-align:left;
      vertical-align:top;
      padding:16px 18px;
      border-bottom:1px solid #e3edf8;
      font-size:15px;
    }

    th{
      background:#edf6ff;
      color:#143554;
      font-weight:700;
    }

    .two-col{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:18px;
      margin:22px 0;
    }

    .mini-card{
      background:#f8fbff;
      border:1px solid #dce9f7;
      border-radius:18px;
      padding:18px;
    }

    .mini-card h4{
      margin:0 0 10px;
      font-size:18px;
      color:#10304f;
    }

    .cta-box{
      margin-top:34px;
      background:linear-gradient(135deg,#eaf4ff 0%,#f8fbff 100%);
      border:1px solid #d8e7f9;
      border-radius:24px;
      padding:28px;
    }

    .cta-box h3{
      margin:0 0 10px;
      font-size:28px;
    }

    .faq{
      margin-top:22px;
    }

    .faq details{
      border:1px solid var(--line);
      border-radius:16px;
      padding:16px 18px;
      margin-bottom:14px;
      background:#fbfdff;
    }

    .faq summary{
      cursor:pointer;
      font-weight:700;
      color:#10304f;
      list-style:none;
    }

    .faq summary::-webkit-details-marker{
      display:none;
    }

    .faq details p{
      margin-top:12px;
      margin-bottom:0;
      font-size:16px;
    }

    .sidebar{
      position:sticky;
      top:18px;
      display:flex;
      flex-direction:column;
      gap:18px;
    }

    .card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:22px;
      box-shadow:var(--shadow);
      padding:22px;
    }

    .card h3{
      margin:0 0 12px;
      font-size:18px;
      color:#10304f;
    }

    .toc a{
      display:block;
      padding:10px 0;
      border-bottom:1px dashed #dce7f5;
      color:#36536e;
      font-size:15px;
    }

    .toc a:last-child{border-bottom:none}

    .spec-item{
      background:#f8fbff;
      border:1px solid #e1edf9;
      border-radius:14px;
      padding:12px 14px;
      margin-bottom:10px;
    }

    .footer{
      padding:26px 0 60px;
      text-align:center;
      color:#6b849d;
      font-size:14px;
    }

    @media (max-width: 1024px){
      .hero-grid,
      .content-grid,
      .two-col{
        grid-template-columns:1fr;
      }
      .sidebar{position:static}
    }

    @media (max-width: 640px){
      .hero-grid{padding:24px}
      .article{padding:22px}
      h1{font-size:36px}
      .article h2{font-size:26px}
      .article h3{font-size:20px}
      .hero p,
      .article p{font-size:16px}
    }