body {
      font-family: 'Segoe UI', sans-serif;
      margin: 0;
      padding: 0;
      background-color: #f7f9fc;
      color: #222;
    }
    .container {
      max-width: 800px;
      margin: auto;
      padding: 20px;
    }
    h1 {
      color: #e63946;
      text-align: center;
      font-size: 28px;
    }
    .banner img {
      width: 100%;
      max-height: 300px;
      object-fit: cover;
      border-radius: 10px;
    }
    .ebook-list {
      background: #fff;
      padding: 20px;
      border-radius: 12px;
      box-shadow: 0 4px 10px rgba(0,0,0,0.1);
      margin-top: 20px;
    }
    .ebook-list ul {
      list-style-type: '✅ ';
      padding-left: 20px;
    }
    .price-box {
      background: #1d3557;
      color: #fff;
      text-align: center;
      padding: 20px;
      border-radius: 10px;
      margin-top: 20px;
    }
    .price-box h2 {
      font-size: 24px;
      margin: 0;
    }
    .buy-btn {
      display: inline-block;
      background-color: #e63946;
      color: #fff;
      padding: 12px 24px;
      margin-top: 15px;
      text-decoration: none;
      font-weight: bold;
      border-radius: 8px;
      transition: background 0.3s;
    }
    .buy-btn:hover {
      background-color: #d62828;
    }
    .countdown {
      font-size: 14px;
      font-weight: bold;
      text-align: center;
      color: #d62828;
      margin-top: 8px;
    }
    .testimonials {
      background: #fff;
      margin-top: 30px;
      padding: 20px;
      border-radius: 12px;
      box-shadow: 0 4px 10px rgba(0,0,0,0.08);
    }
    .testimonial {
      margin-bottom: 15px;
      border-left: 4px solid #e63946;
      padding-left: 15px;
    }
    .testimonial strong {
      display: block;
      margin-bottom: 5px;
    }
    .footer {
      text-align: center;
      font-size: 14px;
      color: #888;
      margin-top: 40px;
    }
    /* Footer */
    .footer {
      text-align: center;
      padding: 20px;
      background: #f9f9f9;
      margin-top: 30px;
    }

    .social-icons {
      margin: 15px 0;
    }
    .social-icons a {
      text-decoration: none;
      color: #555;
      margin: 0 10px;
      font-size: 20px;
      transition: color 0.3s ease;
    }
    .social-icons a:hover {
      color: #007bff;
    }

    .footer p {
      color: #777;
      font-size: 14px;
      margin: 5px 0 0;
    }

    @media (max-width: 600px) {
      h1 {
        font-size: 20px;
      }
      .btn {
        font-size: 16px;
        padding: 10px;
      }
    }