body {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      line-height: 1.6;
      color: #333;
      background: #f4f6f8;
      margin: 0;
      padding: 0;
    }

    .container {
      max-width: 900px;
      margin: 0 auto;
      padding: 40px 20px;
      text-align: center;
    }

    .header {
      margin-bottom: 40px;
    }

    .logo {
      width: 120px;
      height: 120px;
      margin-bottom: 20px;
    }

    h1 {
      color: #2c3e50;
      margin-bottom: 10px;
      font-size: 2rem;
    }

    .subtitle {
      color: #7f8c8d;
      font-size: 18px;
      margin-bottom: 40px;
    }

    .download-buttons {
      display: flex;
      justify-content: center;
      gap: 20px;
      margin-bottom: 40px;
      flex-wrap: wrap;
    }

    .download-btn {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      background-color: #08991b;
      color: white;
      padding: 15px 25px;
      text-decoration: none;
      border-radius: 8px;
      font-weight: bold;
      font-size: 16px;
      box-shadow: 0 4px 10px rgba(0,0,0,0.1);
      transition: transform 0.2s ease, background-color 0.3s ease;
    }

    .download-btn:hover {
      background-color: #08991b;
      transform: translateY(-3px);
    }

    .qr-section {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      gap: 30px;
      margin: 40px 0;
    }

    .qr-box {
      background: #fff;
      padding: 20px;
      border-radius: 10px;
      box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    }

    .qr-box img {
      width: 150px;
      margin-bottom: 10px;
    }

    .steps {
      background-color: #fff;
      padding: 25px;
      border-radius: 10px;
      text-align: left;
      margin-top: 30px;
      box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    }

    .steps h2 {
      margin-bottom: 20px;
      color: #2c3e50;
    }

    .step {
      display: flex;
      align-items: center;
      margin-bottom: 15px;
    }

    .step-number {
      background-color: #08991b;
      color: white;
      width: 28px;
      height: 28px;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-right: 12px;
      font-weight: bold;
      font-size: 14px;
    }

    .note {
      font-style: italic;
      color: #e74c3c;
      margin-top: 25px;
    }