:root {
      --primary-color: #004aad;
      --bg-color: #f8fafc;
      --text-color: #333;
      --accent-color: #555;
      --border-color: #e2e8f0;
    }

    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      font-family: "Segoe UI", sans-serif;
      background: var(--bg-color);
      color: var(--text-color);
      padding: 2rem;
    }

    h1 {
      text-align: center;
      font-size: 2.5rem;
      color: var(--primary-color);
      margin-bottom: 2rem;
    }

    .faq-container {
      max-width: 850px;
      margin: auto;
      background: #fff;
      border-radius: 12px;
      padding: 2rem;
      box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
    }

    .faq-item {
      border-bottom: 1px solid var(--border-color);
      padding: 1rem 0;
    }

    .faq-question {
      font-size: 1.1rem;
      font-weight: 600;
      cursor: pointer;
      position: relative;
      padding-right: 30px;
      transition: color 0.3s ease;
    }

    .faq-question::after {
      content: "+";
      position: absolute;
      right: 0;
      top: 0;
      font-size: 1.4rem;
      color: var(--primary-color);
      transition: transform 0.3s ease;
    }

    .faq-item.active .faq-question::after {
      content: "−";
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      font-size: 0.95rem;
      color: var(--accent-color);
      transition: max-height 0.4s ease;
      line-height: 1.6;
      margin-top: 0.5rem;
    }

    .faq-item.active .faq-answer {
      max-height: 500px;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      h1 {
        font-size: 2rem;
      }
      .faq-question {
        font-size: 1rem;
      }
      .faq-container {
        padding: 1.5rem;
      }
    }

    @media (max-width: 480px) {
      body {
        padding: 1rem;
      }
      h1 {
        font-size: 1.8rem;
      }
    }