.main-container {
      background-color: #fff;
      padding: 50px 30px;
      max-width: 900px;
      margin: auto;
}
.lead-phrase {
      font-size: 2.5rem;
      font-weight: 900;
      color: #333;
      margin-bottom: 20px;
}
.subtitle {
      font-size: 1.25rem;
      color: #555;
      margin-bottom: 50px;
}
.step-section {
      padding: 40px 0;
      border-bottom: 1px solid #eee;
}
.step-section:last-child {
      border-bottom: none;
      padding-bottom: 0;
}
.step-number-large {
      font-size: 3rem;
      font-weight: bold;
      color: var(--bs-primary);
      line-height: 1;
      margin-bottom: 15px;
}
.step-title {
      font-size: 1.8rem;
      font-weight: bold;
      color: #333;
      margin-bottom: 25px;
}
.step-image-box {
      background-color: #f8f9fa;
      padding: 20px;
      border-radius: 10px;
      box-shadow: 0 2px 10px rgba(0,0,0,0.05);
      text-align: center;
}
.step-image-box img {
      max-width: 90%;
      height: auto;
      border-radius: 8px;
      border: 1px solid #ddd;
}
.description-list {
      list-style: none;
      padding-left: 0;
}
.description-list li {
      margin-bottom: 15px;
      color: #555;
      line-height: 1.6;
}
.description-list li i {
      color: var(--bs-primary);
      font-size: 1.1rem;
      margin-right: 10px;
}
.btn-primary {
      background-color: var(--bs-primary);
      border-color: var(--bs-primary);
}
.btn-primary:hover {
      background-color: #4cae4c;
      border-color: #4cae4c;
}