body {
      margin: 0;
      padding: 0;
      font-family: 'Vazirmatn', sans-serif;
      background: #f5f7fa;
      color: #333;
      text-align: justify;
    }
    a{text-decoration: none;}
    .pay-container {
      max-width: 720px;
      margin: 40px auto;
      background: #fff;
      border-radius: 12px;
      box-shadow: 0 0 12px rgba(0,0,0,0.08);
      overflow: hidden;
    }
    .pay-header {
      background: linear-gradient(135deg, #00796b, #009688);
      color: #fff;
      padding: 24px;
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .pay-header .pay-icon {
      width: 72px;
      height: 72px;
      background-color: #e0f2f1;
      border-radius: 12px;
      background-size: cover;
      background-position: center;
      flex-shrink: 0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 36px;
      color: #00796b;
    }
    .pay-header h1 {
      margin: 0;
      font-size: 22px;
    }
    .pay-content {
      padding: 24px;
    }
    .pay-content p {
      font-size: 16px;
      line-height: 1.9;
      margin-bottom: 16px;
    }
    .pay-image {
      width: 100%;
      max-height: 300px;
      object-fit: cover;
      border-radius: 8px;
      margin: 16px 0;
      background-color: #f0f0f0;
      display: block;
    }
    .back-link {
      display: inline-block;
      margin-top: 20px;
      padding: 10px 20px;
      background: #00796b;
      color: #fff;
      border-radius: 6px;
      text-decoration: none;
      transition: background 0.3s;
    }
    .back-link:hover {
      background: #005f56;
    }