body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    background: #f9fafb;
    color: #111827;
  }
  img {
    max-width: 100%;
    border-radius: 8px;
  }
  .ppc-hero {
    background: linear-gradient(135deg, #6366f1, #9333ea);
    color: white;
    padding: 80px 20px;
    text-align: center;
  }
  .ppc-hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
  }
  .ppc-hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
  }
  .ppc-section {
    padding: 60px 20px;
    max-width: 1200px;
    margin: auto;
  }
  .ppc-section h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 2rem;
    color: #4f46e5;
  }
  .ppc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
  }
  .ppc-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    padding: 20px;
    transition: transform 0.3s ease;
  }
  .ppc-card:hover {
    transform: translateY(-5px);
  }
  .ppc-card h3 {
    margin-top: 15px;
    margin-bottom: 10px;
    color: #4338ca;
  }
  .ppc-card p {
    font-size: 0.95rem;
  }
  .ppc-process-step {
    background: white;
    border-left: 4px solid #6366f1;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 8px;
  }
  .ppc-faq {
    margin-bottom: 20px;
  }
  .ppc-faq h4 {
    margin-bottom: 10px;
    color: #4c1d95;
  }
  .ppc-cta {
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    color: white;
    text-align: center;
    padding: 60px 20px;
  }
  .ppc-cta h2 {
    margin-bottom: 20px;
  }
  .ppc-cta a {
    display: inline-block;
    background: white;
    color: #4f46e5;
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
  }
  @media (max-width: 600px) {
    .ppc-hero h1 {
      font-size: 2rem;
    }
    .ppc-hero p {
      font-size: 1rem;
    }
  }

      /* faq section  */
      .faq-item {
        background: white;
        border-radius: 14px;
        margin-bottom: 15px;
        overflow: hidden;
        box-shadow: 0 4px 12px rgba(0,0,0,0.05);
      }

      .faq-label {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 20px 25px;
        font-size: 1.1rem;
        font-weight: 600;
        cursor: pointer;
        color: #4f46e5;
      }

      .faq-label::after {
        content: "+";
        font-size: 1.4rem;
        transition: transform 0.3s ease;
      }

      input[type="checkbox"] {
        display: none;
      }

      .faq-content {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease, padding 0.4s ease;
        padding: 0 25px;
        color: #374151;
      }

      input[type="checkbox"]:checked ~ .faq-content {
        max-height: 500px;
        padding: 15px 25px 25px;
      }

      input[type="checkbox"]:checked + .faq-label::after {
        content: "−";
        transform: rotate(180deg);
      }