.banking-banner {
      position: relative;
      width: 100%;
      height: 40vh;
      background: url('https://images.pexels.com/photos/4386370/pexels-photo-4386370.jpeg?auto=compress&cs=tinysrgb&dpr=2&h=750&w=1260') center/cover no-repeat;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
    }
    
    .banner-overlay {
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: rgba(0,0,0,0.5);
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      padding: 20px;
    }
    
    .banner-text h1 {
      font-size: 3rem;
      font-weight: 700;
      margin-bottom: 15px;
    }
    
    .banner-text p {
      font-size: 1.2rem;
      margin-bottom: 20px;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }
    
    .btn-banner {
      background: #0d6efd;
      color: #fff;
      padding: 12px 25px;
      text-decoration: none;
      border-radius: 30px;
      font-weight: 600;
      transition: background 0.3s ease;
    }
    
    .btn-banner:hover {
      background: #084298;
    }
    /* Large tablets / small laptops (max 1024px) */
    @media (max-width: 1024px) {
      .banking-banner {
        height: 50vh;
      }
      .banner-text h1 {
        font-size: 2.5rem;
      }
      .banner-text p {
        font-size: 1rem;
      }
    }
    
    /* Tablets (max 768px) */
    @media (max-width: 768px) {
      .banking-banner {
        height: 45vh;
        padding: 10px;
      }
      .banner-text h1 {
        font-size: 2rem;
      }
      .banner-text p {
        font-size: 0.95rem;
      }
      .btn-banner {
        padding: 10px 20px;
        font-size: 0.9rem;
      }
    }
    
    /* Mobile phones (max 480px) */
    @media (max-width: 480px) {
      .banking-banner {
        height: 35vh;
      }
      .banner-text h1 {
        font-size: 1.6rem;
        line-height: 1.3;
      }
      .banner-text p {
        font-size: 0.85rem;
      }
      .btn-banner {
        padding: 8px 18px;
        font-size: 0.85rem;
      }
    }
    
              
              
              
              
              
              
              
              
              
              
              
              
              
              
              
              
              
              
              
              
              
              
              
              
                  /* Layout container */
                  .main-container {
                    display: flex;
                    width: 100%;
                    gap: 20px;
                  }
              
              
              
              
                  /*content left page*/
                  .content-area {
                    flex: 3;
                    padding: 20px;
                    background: none;
                    border-radius: 8px;
                    min-height: 1200px;
                  }
              
                  /* Dropdown Styles */
              .dropdown-container {margin: 20px 0;width: 100%;max-width: 500px;border: 1px solid #ddd;border-radius: 8px;overflow: hidden;}
              .dropdown-container .dropdown-button .noni{display: flex;justify-content: space-between; background: #0073e6;color: white;padding: 5px 12px;font-size: 18px;cursor: pointer;transition: background 0.3s ease;}
              .dropdown-container .dropdown-button .noni:hover {background: #005bb5;}
              .dropdown-container .dropdown-button .noni h2,
              .dropdown-container .dropdown-button .noni h3{color: white; font-size: 1.2rem;}
              .dropdown-list {list-style: none;margin: 0;padding: 0;max-height: 0;overflow: hidden;transition: max-height 0.4s ease;background: #f9f9f9;}
              .dropdown-list li {border-top: 1px solid #eee;}
              .dropdown-list li a {display: block;padding: 10px 16px;text-decoration: none;color: #333;transition: background 0.3s ease;}
              .dropdown-list li a:hover {background: #eaeaea;}
                  :root{--accent:#0b76ef;--muted:#6b7280;--bg:#f8fafc;--card:#ffffff}
                  *{box-sizing:border-box}
                  body{font-family:Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;line-height:1.6;color:#0f172a;background:var(--bg);margin:0}
                  .container{max-width:1100px;margin:30px auto;padding:28px}
                  header.banner{display:flex;gap:20px;align-items:center;background:linear-gradient(90deg,rgba(11,118,239,.06),rgba(11,118,239,.02));padding:28px;border-radius:14px}
                  .banner-img{width:220px;height:140px;border-radius:8px;object-fit:cover;flex-shrink:0;box-shadow:0 6px 20px rgba(2,6,23,.08)}
                  .banner-content h1{font-size:28px;margin:0 0 8px}
                  .banner-content p{margin:0;color:var(--muted)}
                  nav.toc{margin-top:20px;background:var(--card);padding:16px;border-radius:10px;box-shadow:0 4px 20px rgba(2,6,23,.04)}
                  nav.toc h2{font-size:18px;margin:0 0 12px}
                  nav.toc ul{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:8px;padding:0;margin:0}
                  nav.toc a{display:block;padding:8px;border-radius:8px;color:var(--accent);text-decoration:none;border:1px solid rgba(11,118,239,.08)}
                  article{margin-top:22px}
                  section.card{background:var(--card);padding:20px;border-radius:10px;margin-bottom:18px;box-shadow:0 6px 20px rgba(2,6,23,.03)}
                  h2{color:#0b1220;margin:0 0 12px}
                  h3{margin:8px 0;color:#0b1220}
                  p{margin:10px 0;color:#0f172a}
                  ul{margin:10px 0 10px 20px}
                  pre{background:#0b1220;color:#fff;padding:12px;border-radius:8px;overflow:auto}
                  .badge{display:inline-block;background:rgba(11,118,239,.08);color:var(--accent);padding:6px 10px;border-radius:999px;font-weight:600}
                  /* responsive */
                  @media(max-width:768px){.banner{flex-direction:column;align-items:flex-start}.banner-img{width:100%;height:220px}}
              
              /* Global blog images */
              .content-area img {
                display: block;
                max-width:70%;
                height: auto;
                border-radius: 10px;
                margin: 15px auto;
                box-shadow: 0 4px 10px rgba(0,0,0,0.1);
              }