main.content {
      flex: 1;
      max-width: 720px;
      margin: 130px auto 2rem;
      padding: 2.5rem 2rem;
      background: #fff;
      border-radius: 16px;
      box-shadow: 0 15px 30px rgba(0, 0, 0, 0.08);
      border: 1px solid #ddd;
      animation: fadeIn 0.6s ease;
    }

    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(20px); }
      to { opacity: 1; transform: translateY(0); }
    }

    h1 {
      font-size: 2rem;
      margin-bottom: 2rem;
      color: #222;
      text-align: center;
    }

    .step {
      display: flex;
      gap: 1.2rem;
      margin-bottom: 2rem;
      align-items: flex-start;
    }

    .step-icon {
      font-size: 2rem;
      color: #007BFF;
      background: #e3f2fd;
      border-radius: 50%;
      padding: 0.6rem;
      display: flex;
      align-items: center;
      justify-content: center;
      min-width: 48px;
      height: 48px;
    }

    .step-content h3 {
      margin: 0 0 0.3rem;
      font-size: 1.2rem;
      color: #222;
    }

    .step-content p {
      color: #555;
      font-size: 0.95rem;
      line-height: 1.6;
    }



    @media (max-width: 600px) {
      .header-container,
      .footer-content {
        padding: 1rem;
      }

      main.content {
        margin: 110px 1rem 2rem;
        padding: 2rem 1.2rem;
      }

      .step {
        flex-direction: column;
        align-items: flex-start;
      }

      .step-icon {
        margin-bottom: 0.5rem;
      }
    }