body {
      font-family: "Segoe UI", Arial, sans-serif;
      background: #f8f9fb;
      color: #222;
      margin: 0;
      line-height: 1.6;
      text-align: center;
    }

    header {
      background: linear-gradient(135deg, #0078d7, #0056a3);
      color: #fff;
      padding: 2rem 1rem;
      text-align: center;
      box-shadow: 0 3px 6px rgba(0, 0, 0, 0.1);
    }

    header h1 {
      margin: 0;
      font-size: 2.2rem;
      letter-spacing: 0.5px;
    }

    nav {
      background: #fff;
      border-bottom: 1px solid #e0e0e0;
      position: sticky;
      top: 0;
      z-index: 10;
    }

    nav ul {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      list-style: none;
      padding: 0.5rem 1rem;
      margin: 0;
      gap: 0.6rem;
    }

    nav a {
      text-decoration: none;
      color: #0078d7;
      padding: 0.5rem 0.9rem;
      border-radius: 6px;
      transition: all 0.2s ease;
    }

    nav a:hover {
      background: #0078d7;
      color: #fff;
    }

    .container {
      max-width: 1000px;
      margin: 2rem auto;
      background: #fff;
      padding: 2rem;
      border-radius: 12px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    }

    h2 {
      color: #0056a3;
      border-left: 4px solid #0078d7;
      padding-left: 0.6rem;
      margin-top: 2rem;
    }

    p {
      margin: 0.6rem 0 1rem;
      text-align: justify;
    }

    ul {
      padding-left: 1.5rem;
    }

    ul ul {
      padding-left: 1.2rem;
    }

    strong {
      color: #0056a3;
    }

    em {
      color: #555;
    }

    footer {
      background: #0056a3;
      color: #fff;
      text-align: center;
      padding: 1.5rem;
      margin-top: 2rem;
      font-size: 0.95rem;
    }

    footer a {
      color: #ffd35a;
      text-decoration: none;
      margin-left: 0.6rem;
    }

    footer a:hover {
      text-decoration: underline;
    }

    @media (max-width: 768px) {
      header h1 {
        font-size: 1.8rem;
      }

      .container {
        margin: 1rem;
        padding: 1.5rem;
      }

      nav ul {
        flex-direction: column;
        align-items: center;
      }
    }
    footer {
            text-align: center;
            padding: 20px 0;
            background-color: #0056a3(9, 161, 249, 0.7);
            color: white;
            position: relative;
            bottom: 0;
            width: 100%;
        }

        footer a {
            color: #ffcc00;
        }

        footer a:hover {
            color: #ff6666;
        }