:root {
      --primary: #FF385C;
      --accent: #00A699;
      --light: #F7F7F7;
      --dark: #222222;
      --font-primary: Circular, -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", sans-serif;
    }

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

    body {
      font-family: var(--font-primary);
      line-height: 1.6;
      color: var(--dark);
      background-color: white;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }

    .header {
      position: sticky;
      top: 0;
      background: white;
      border-bottom: 1px solid #DDDDDD;
      padding: 16px 24px;
      z-index: 100;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .logo {
      display: flex;
      align-items: center;
      color: var(--primary);
      text-decoration: none;
    }

    .logo svg {
      height: 32px;
      width: auto;
    }

    .menu-button {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 5px 5px 5px 12px;
      border: 1px solid #DDDDDD;
      border-radius: 21px;
      cursor: pointer;
      background: white;
    }

    .user-icon {
      background: #717171;
      color: white;
      width: 30px;
      height: 30px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .container {
      max-width: 800px;
      margin: 48px auto;
      padding: 24px;
      flex: 1;
    }

    .faq-header {
      text-align: center;
      margin-bottom: 48px;
    }

    .faq-title {
      font-size: 36px;
      margin-bottom: 16px;
      color: var(--dark);
    }

    .faq-subtitle {
      color: #717171;
      font-size: 18px;
      max-width: 600px;
      margin: 0 auto;
    }

    .faq-categories {
      display: flex;
      justify-content: center;
      gap: 12px;
      margin-bottom: 32px;
      flex-wrap: wrap;
    }

    .category-btn {
      padding: 8px 16px;
      border: 1px solid #DDDDDD;
      border-radius: 20px;
      background: white;
      color: var(--dark);
      font-size: 14px;
      cursor: pointer;
      transition: all 0.2s ease;
    }

    .category-btn.active {
      background: var(--primary);
      color: white;
      border-color: var(--primary);
    }

    .faq-item {
      background: white;
      border-radius: 12px;
      border: 1px solid #DDDDDD;
      margin-bottom: 16px;
      overflow: hidden;
      transition: all 0.3s ease;
    }

    .faq-question {
      padding: 20px 24px;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-weight: 600;
      font-size: 16px;
      transition: background-color 0.2s ease;
    }

    .faq-question:hover {
      background: var(--light);
    }

    .faq-answer {
      padding: 0 24px;
      max-height: 0;
      overflow: hidden;
      transition: all 0.3s ease;
      color: #717171;
      line-height: 1.7;
    }

    .faq-item.active .faq-answer {
      padding: 0 24px 24px;
      max-height: 500px;
    }

    .faq-icon {
      transition: transform 0.3s ease;
      color: var(--primary);
      font-size: 18px;
    }

    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }

    .help-section {
      text-align: center;
      margin-top: 48px;
      padding: 32px;
      background: var(--light);
      border-radius: 12px;
    }

    .help-title {
      font-size: 24px;
      margin-bottom: 12px;
    }

    .help-text {
      color: #717171;
      margin-bottom: 24px;
    }

    .help-button {
      background: var(--primary);
      color: white;
      border: none;
      padding: 12px 24px;
      border-radius: 8px;
      font-weight: 600;
      cursor: pointer;
      transition: background-color 0.2s ease;
      text-decoration: none;
      display: inline-block;
    }

    .help-button:hover {
      background-color: #E31C5F;
    }

    .back-link {
      display: block;
      text-align: center;
      margin-top: 24px;
      color: var(--primary);
      text-decoration: none;
      font-size: 14px;
    }

    .back-link:hover {
      text-decoration: underline;
    }

    @media (max-width: 768px) {
      .container {
        margin: 24px auto;
        padding: 16px;
      }

      .faq-title {
        font-size: 28px;
      }

      .faq-subtitle {
        font-size: 16px;
      }

      .faq-categories {
        gap: 8px;
      }

      .category-btn {
        padding: 6px 12px;
        font-size: 12px;
      }

      .faq-question {
        padding: 16px 20px;
        font-size: 14px;
      }

      .faq-item.active .faq-answer {
        padding: 0 20px 20px;
      }
    }