body {
          font-family: Arial, sans-serif;
          margin: 0;
          padding: 0;
          color: #000000;
          background-color: #f4f4f4;
      }
      header {
          position: relative;
          height: 400px;
          background-image: url('images/ai-website-header.jpg');
          background-size: cover;
          background-position: center;
          display: flex;
          align-items: center;
          justify-content: center;
          color: white;
          text-shadow: 2px 2px 4px rgba(0,0,0,0.7);
      }
      header h1 {
          font-size: 80px;
          font-weight: bold;
          text-align: center;
          margin: 0;
      }
      .container {
          max-width: 1200px;
          margin: 0 auto;
          padding: 20px;
      }
	.section-nav {
          display: flex;
          flex-wrap: wrap;
          gap: 0.75rem;
          margin-bottom: 2.5rem;
          padding: 1rem;
          background-color: #f4f4f4;
          border-radius: 8px;
          border-left: 4px solid #0090C5;
      }
      .section-nav a {
          text-decoration: none;
          color: #FFFFFF;
          background-color: #2D2D37;
          padding: 0.5rem 1rem;
          border-radius: 4px;
          font-size: 14pt;
          font-weight: 700;
          transition: background-color 0.2s, transform 0.15s;
      }
      .section-nav a:hover {
          background-color: #0090C5;
          transform: translateY(-2px);
      }

      section {
          margin-bottom: 40px;
          background-color: white;
          padding: 30px;
          border-radius: 8px;
          box-shadow: 0 2px 10px rgba(0,0,0,0.1);
      }
      h2 {
          font-size: clamp(18pt, 2.5vw + 12px, 24pt);
          font-weight: 700;
          color: #000000;
          margin-bottom: 1.25rem;
          padding-bottom: 0.5rem;
          border-bottom: 3px solid #0090C5;
          display: inline-block;
      }
      p,ul, li {
          font-size: 18pt;
          color: #000000;
          line-height: 1.6;
      }
      ul {
          list-style-type: disc;
          padding-left: 40px;
      }
      .banner-text {
          position: absolute;
          top: 50%;
          left: 50%;
          transform: translate(-50%, -50%);
          text-align: center;
          width: 100%;
      }
      footer {
          text-align: center;
          padding: 20px;
          background-color: #333;
          color: white;
          margin-top: 40px;
      }
	footer p {
          font-size: 18px;
          font-weight: bold;
          color: #ffffff;
      }

    .thumbnail-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-top:20px;} .thumbnail-grid a{text-decoration:none;color:#000;} .thumbnail-grid img{width:100%;height:160px;object-fit:cover;border-radius:8px;border:1px solid #ccc;} .thumb-caption{font-size:12pt;margin-top:8px;}