:root{
      --bg:#f5fbff;
      --white:#ffffff;
      --primary:#9fd4f6;
      --primary-dark:#4e9ac7;
      --text:#1f2d3d;
      --muted:#617287;
      --border:#d9ebf7;
      --soft:#edf7fd;
      --accent:#e8f6ff;
      --shadow:0 10px 30px rgba(42,95,130,0.10);
      --radius:18px;
      --max:1180px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:Arial,Helvetica,sans-serif;
      color:var(--text);
      background:linear-gradient(180deg,#f7fcff 0%,#eef8fe 100%);
      line-height:1.75;
    }

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

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

    a:hover{
      text-decoration:underline;
    }

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

    .topbar{
      background:#eaf7ff;
      border-bottom:1px solid var(--border);
      font-size:14px;
      color:var(--muted);
    }

    .topbar .container{
      padding:10px 0;
      text-align:center;
    }

    .hero{
      padding:44px 0 28px;
    }

    .hero-grid{
      display:grid;
      grid-template-columns:1.1fr 0.9fr;
      gap:28px;
      align-items:center;
    }

    .badge{
      display:inline-block;
      padding:8px 14px;
      background:var(--accent);
      color:var(--primary-dark);
      border:1px solid var(--border);
      border-radius:999px;
      font-size:13px;
      font-weight:700;
      letter-spacing:.2px;
      margin-bottom:16px;
    }

    h1{
      font-size:42px;
      line-height:1.18;
      margin:0 0 16px;
      color:#173049;
    }

    .lead{
      font-size:18px;
      color:var(--muted);
      margin:0 0 24px;
    }

    .hero-card{
      background:var(--white);
      border:1px solid var(--border);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      overflow:hidden;
    }

    /* IMAGE ZONE - NO DISTORTION */
    .image-frame{
      position:relative;
      width:100%;
      aspect-ratio:4/3;
      background:#f3faff;
      overflow:hidden;
    }

    .image-frame img{
      width:100%;
      height:100%;
      object-fit:contain; /* no distortion */
      object-position:center;
      background:#f3faff;
    }

    .image-caption{
      padding:12px 16px;
      font-size:13px;
      color:var(--muted);
      border-top:1px solid var(--border);
      background:#fbfeff;
    }

    .hero-points{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:12px;
      margin-top:20px;
    }

    .point{
      background:var(--white);
      border:1px solid var(--border);
      border-radius:14px;
      padding:14px 16px;
      box-shadow:0 6px 18px rgba(42,95,130,0.06);
      font-size:15px;
    }

    .summary-box{
      margin:26px 0 0;
      background:linear-gradient(180deg,#ffffff 0%,#f5fbff 100%);
      border:1px solid var(--border);
      border-radius:16px;
      padding:18px 18px 8px;
      box-shadow:var(--shadow);
    }

    .summary-box h2{
      font-size:20px;
      margin:0 0 10px;
    }

    .summary-box ul{
      margin:0;
      padding-left:20px;
    }

    .summary-box li{
      margin:0 0 10px;
      color:var(--muted);
    }

    .section{
      padding:30px 0;
    }

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

    .article{
      min-width:0;
    }

    .sidebar{
      position:sticky;
      top:18px;
      align-self:start;
    }

    .card{
      background:var(--white);
      border:1px solid var(--border);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
      padding:22px;
      margin-bottom:22px;
    }

    .card h3{
      margin:0 0 12px;
      font-size:21px;
      color:#193a57;
    }

    .card p:last-child,
    .card ul:last-child{
      margin-bottom:0;
    }

    .article h2{
      font-size:30px;
      line-height:1.25;
      margin:0 0 16px;
      color:#173049;
    }

    .article h3{
      font-size:22px;
      margin:24px 0 12px;
      color:#204766;
    }

    .article p{
      margin:0 0 16px;
      color:#374b5f;
    }

    .article ul, .article ol{
      padding-left:22px;
      margin:0 0 18px;
      color:#374b5f;
    }

    .article li{
      margin-bottom:10px;
    }

    .highlight{
      background:#f3fbff;
      border-left:4px solid var(--primary);
      padding:16px 18px;
      border-radius:12px;
      margin:18px 0;
      color:#31506b;
    }

    .note{
      background:#fffaf0;
      border:1px solid #f4dfb1;
      color:#7b5a11;
      border-radius:14px;
      padding:16px 18px;
      margin:18px 0;
    }

    .table-wrap{
      overflow-x:auto;
      margin:18px 0;
      border:1px solid var(--border);
      border-radius:16px;
      box-shadow:var(--shadow);
      background:var(--white);
    }

    table{
      width:100%;
      border-collapse:collapse;
      min-width:720px;
    }

    thead{
      background:#eef8fe;
    }

    th,td{
      text-align:left;
      padding:14px 14px;
      border-bottom:1px solid var(--border);
      vertical-align:top;
      font-size:15px;
    }

    th{
      color:#1f4667;
      font-size:14px;
      text-transform:uppercase;
      letter-spacing:.3px;
    }

    .image-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:18px;
      margin:20px 0 10px;
    }

    .faq-item{
      border:1px solid var(--border);
      border-radius:14px;
      padding:18px;
      background:#fcfeff;
      margin-bottom:14px;
    }

    .faq-item h3{
      margin:0 0 8px;
      font-size:19px;
    }

    .cta{
      background:linear-gradient(135deg,#edf8ff 0%,#dff2ff 100%);
      border:1px solid var(--border);
      border-radius:24px;
      padding:28px;
      box-shadow:var(--shadow);
    }

    .cta h2{
      margin-top:0;
    }

    .cta-btn{
      display:inline-block;
      margin-top:8px;
      background:var(--primary-dark);
      color:#fff;
      padding:13px 20px;
      border-radius:999px;
      font-weight:700;
      transition:.25s ease;
    }

    .cta-btn:hover{
      transform:translateY(-1px);
      text-decoration:none;
      opacity:.95;
    }

    .toc{
      list-style:none;
      padding:0;
      margin:0;
    }

    .toc li{
      margin:0 0 10px;
    }

    .toc a{
      display:block;
      padding:10px 12px;
      border-radius:12px;
      background:#f7fcff;
      border:1px solid var(--border);
      color:#31506b;
      font-size:14px;
    }

    .toc a:hover{
      background:#eef8fe;
      text-decoration:none;
    }

    .footer{
      padding:32px 0 44px;
      color:var(--muted);
      font-size:14px;
    }

    .footer-inner{
      background:#f7fcff;
      border:1px solid var(--border);
      border-radius:18px;
      padding:18px 20px;
    }

    @media (max-width: 980px){
      .hero-grid,
      .content-wrap{
        grid-template-columns:1fr;
      }
      .sidebar{
        position:static;
      }
      h1{
        font-size:34px;
      }
    }

    @media (max-width: 640px){
      .container{
        width:min(var(--max), calc(100% - 20px));
      }
      .hero{
        padding:28px 0 18px;
      }
      h1{
        font-size:28px;
      }
      .lead{
        font-size:16px;
      }
      .hero-points,
      .image-grid{
        grid-template-columns:1fr;
      }
      .card{
        padding:18px;
      }
      .article h2{
        font-size:25px;
      }
      .article h3{
        font-size:20px;
      }
    }